Massed German formations return attacking airfields in the south and south-east.

Night: Light bombing in Bristol, East Anglia and South Wales. Minelaying.

Weather: Fine and fair early, cloudy for rest of day.

Enemy Action by Day

Sunday, 18 August 1940 became known as “The Hardest Day”—a title earned not only by the intensity and scope of the Luftwaffe’s operations, but also by the scale of losses on both sides. Göring’s directive to intensify airfield attacks reached its peak, with Luftflotten 2 and 3 launching a carefully orchestrated series of raids aimed at crippling RAF Fighter Command. The day saw attacks on Kenley, Biggin Hill, West Malling, Hornchurch, North Weald, Ford, Gosport, and Thorney Island, with additional raids on the Chain Home radar station at Poling. Coordinated in waves from morning until evening, the German assault involved over 850 sorties, yet failed to knock out a single sector station. By nightfall, 67 German aircraft had been destroyed and 97 airmen killed or captured.

Early Reconnaissance and Probing Attacks

The first German loss of 18 August occurred during the early hours of the morning. A Junkers Ju 88 from I./Nachtjagdgeschwader 1 (NJG 1), conducting a night mission over southern England, was intercepted by a Bristol Blenheim night fighter, believed to be from No. 23 Squadron. The Blenheim scored multiple hits, sending the Ju 88 down in flames and killing all three of its crew. These men became the first German casualties on what would soon become the most punishing and costly day of the Battle of Britain thus far.

As daylight broke over southern England, Luftwaffe reconnaissance activity increased steadily. Shortly after sunrise, a Messerschmitt Bf 110 from Lehrgeschwader 2 (LG 2) was intercepted while flying a high-altitude photographic sortie over Manston in Kent. The aircraft was operating at approximately 31,000 feet when it was engaged by Spitfires from No. 66 Squadron. It was shot down in flames—the first daylight loss for the Luftwaffe that day and, at the time, the highest recorded interception and kill in the campaign.

German reconnaissance efforts continued throughout the morning. Between 09:08 and 09:35 hours, three separate sorties were flown over Dover and the Dover Straits, gathering intelligence on RAF coastal defences and shipping movements. This was followed by a second wave of reconnaissance flights between 10:42 and 11:02 hours, with Luftwaffe aircraft operating at altitudes between 20,000 and 25,000 feet up the Thames Estuary. These missions formed part of a systematic effort by Luftflotten 2 and 3 to probe Fighter Command’s readiness and identify targets for the day’s main assaults, which were already forming up on the airfields of northern France.

By late morning, the stage was set for what would become the hardest and most chaotic day of fighting yet witnessed in the skies over Britain.

The Attack on RAF Kenley

The heaviest blow of 18 August fell on RAF Kenley, a vital sector airfield within No. 11 Group’s defensive system. The Luftwaffe’s plan for the attack was complex and coordinated. It was assigned to Kampfgeschwader 76 (KG 76), which would execute a three-phase strike designed to cripple the station.

The first wave was to involve twelve Ju 88s from II./KG 76, escorted by twenty Bf 109s of JG 51. Their role was to dive-bomb Kenley’s hangars, dispersal areas, and workshops. They would be followed by twenty-seven Do 17s from I. and III./KG 76, flying at medium altitude and escorted by twenty-five Bf 110s of ZG 26. This group would aim to crater the runways and destroy remaining facilities. The final blow would come from nine low-flying Do 17s of 9./KG 76, led by Hauptmann Joachim Roth. Flying below radar coverage, they were to deliver a surprise attack at treetop level to finish the destruction.

However, thick cloud over northern France disrupted the plan. The Ju 88s and mid-level Dorniers were delayed while forming up, and radio communications broke down. Roth’s low-level formation, unaware of these problems, crossed the Channel at wave-top height and reached the coast near Beachy Head at 13:20. Instead of arriving last, they reached Kenley first—and alone.

Kenley had already gone to full readiness. Observers and radar stations had detected the build-up of enemy formations, and No. 111 Squadron had been scrambled from Croydon. The Hurricanes, led by Squadron Leader John Thompson, were ordered to patrol over Kenley at just 100 feet. Thompson is said to have questioned the command with, “You’re bloody mad,” but the order stood.

As Roth’s Dorniers swept in low over the trees, the Hurricanes and ground defences opened fire almost simultaneously. Despite intense opposition, the German crews pressed home their attack. Several bombs hit the airfield. Three hangars were destroyed, other buildings damaged, and multiple aircraft on the ground were lost. Fires broke out across the station.

The cost was severe. Five of the nine Dorniers were lost during the attack, while others crash-landed or ditched in the Channel; only one returned to base undamaged. One Do 17Z-2 (F1+HT) was brought down by the airfield’s parachute-and-cable defences during the low-level attack and crashed into Sunnycroft on Golf Road, near the perimeter of Kenley airfield; Oblt. H.-S. Ahrends, Oberst Dr O. Sommer, Uffz. J. Dietz, Fw. K. Greulich, and Fw. J. Petersen were killed. Another low-level attacker, a Do 17Z-2 (F1+DT) was shot down by a combination of ground defences, Pilot Officer R. J. W. Brown, and Sergeant W. L. Dymond of No. 111 Squadron, force-landing at Leaves Green near Biggin Hill; Hptm. J. Roth and Oblt. R. Lamberty were captured badly burned, while Hptm. G. Peters, Ofw. V. Geier, and Fw. H. Eberhard baled out and were captured.

During the attack, Flight Lieutenant S.D.P. Connors of No. 111 Squadron was killed when his Hurricane, R4187, was hit by anti-aircraft fire while engaging the low-level Dorniers. His aircraft is believed to have crashed at The Oaks, Wallington.

About ten minutes later, the second wave reached Kenley. Do 17s from I. and III./KG 76, escorted by Bf 110s of ZG 26, flew into skies already thick with flak, smoke, and RAF fighters. No. 615 Squadron was first to engage, but was quickly intercepted by Bf 109s of JG 3, flying high cover for the 12 Ju 88s and 27 Do 17s of KG 76. In the opening assault, Oberleutnant Lothar Keller and Leutnants Helmut Meckel and Helmut Landry each destroyed a Hurricane.

With the escort fighters already engaged, Hurricanes of No. 32 Squadron, led by Squadron Leader Michael Crossley, seized the opportunity to attack the bombers, tearing into the Dornier formation in a head-on attack. One Do 17Z (F1+IH, W.Nr. 2504) of 1./KG 76 was shot down by Flying Officer A.F. Eckford, and crashed at Mill Lane, Hurst Green; Oblt. W. Stoldt, Uffz. P. Gengel, and Kriegsberichter W. Surk were killed, while Ofw. W. Lautersack and Fw. J. Beck baled out and were captured. The attack broke up the formation, scattering it into confusion: some crews jettisoned their loads prematurely without identifying their targets, while others veered off toward Croydon or attempted to strike nearby railway lines.

Meanwhile, the Bf 110s of ZG 26 attempted to intervene, placing themselves between the RAF fighters and the bombers. They managed to shoot down Flight Lieutenant “Humph” Russell of No. 32 Squadron, who was wounded. Seconds later, eight Spitfires from No. 64 Squadron arrived, led by Squadron Leader Donald MacDonell. Some of his pilots mistook Bf 110s for bombers and attacked them instead.

In the ensuing combat, MacDonell shot down a Bf 110C-4 (U8+BB, W.Nr. 3102) of Stab I./ZG 26, which crash-landed at Deering Farm, Lydd; the pilot, Gruppenadjutant Oblt. Rüdiger Proske, and his radio operator, Uffz. Hans Möbius, were both wounded and taken prisoner.

Another Bf 110C of 8./ZG 26 was shot down by Pilot Officer J. L. Flinders of No. 32 Squadron and Sergeant H. Chandler of No. 610 Squadron and crashed at Godstone; Fw. H. Klare and Uffz. D. Brunger were missing, believed killed. Another German pilot feigned a fatal dive to escape pursuit; believing he had been shot down, the RAF pilots broke off, and the aircraft levelled out at low altitude and made it back across the Channel to France.

The twelve Ju 88s of II./KG 76, intended to spearhead the raid on Kenley, were the last to arrive. By the time they reached the target, smoke was already pouring from the airfield, obscuring key targets and making dive-bombing impossible. From altitude, Kenley appeared devastated, and the crews judged that another attack was unnecessary, diverting instead to RAF West Malling for dive-bombing attacks. En route, the formation came under anti-aircraft fire near Biggin Hill, damaging one Ju 88 and prompting Bf 109s of III./JG 54, led by Oberleutnant Hannes Trautloft, to close in and provide cover.

Moments later, the formation was engaged by RAF fighters. In the ensuing melee, one Ju 88A of 5./KG 76 was shot down by Flight Lieutenant J. G. Sanders of No. 615 Squadron, Pilot Officers A. F. Laws, J. J. O’Meara, and E. G. Gilbert of No. 64 Squadron, and Flight Lieutenant P. M. Brothers and Pilot Officer B. Własnowolski of No. 32 Squadron; the aircraft crashed at Ide Hill, killing Ofw. A. Eichhorn, Stabsfw. H. Vetter, Fw. K. Geier, and Gefr. K. Skuthan.

Despite the damage to Kenley—three hangars destroyed, multiple buildings hit, and twelve personnel killed—the operations room remained intact. Flying operations resumed later the same day. Kenley had been badly damaged but remained operational.

The Attack on Biggin Hill

While Kenley was still under attack, a second major raid targeted RAF Biggin Hill. At 13:27 hours, sixty Heinkel He 111s from Kampfgeschwader 1 (KG 1), escorted by forty Bf 109s of JG 54, approached the airfield from the southeast. Ahead of them, sixty Bf 109s from JG 3 and III./JG 26 swept forward on a freie Jagd, aiming to clear the skies of RAF fighters before the bombers arrived.

As the German fighters pushed inland, a formation led by Oberleutnant Gerhard Schöpfel of III./JG 26 encountered Hurricanes of No. 501 Squadron climbing in wide spirals to gain height. Exploiting his position above them, Schöpfel dived and in the space of two minutes claimed four aircraft, killing Pilot Officer J.W. Bland and wounding three others—Pilot Officers Kenneth Lee, F. Kozlowski, and Donald McKay. Lee, though wounded, managed to bale out near Whitstable, while the surviving pilots struggled back to their base. As Schöpfel withdrew, other elements of his Geschwader joined the combat, sparking a brief but inconclusive dogfight over Canterbury around 13:55 hours.

With four RAF squadrons already engaged with KG 76, KG 1 faced minimal initial resistance. Hurricanes of No. 615 Squadron were ordered to intercept the approaching Heinkels but were intercepted in turn by the escorting Bf 109s of JG 54. The German fighters successfully protected the bombers, drawing the British Hurricanes into combat and preventing them from reaching the He 111s, which continued unimpeded in stepped-up waves between 12,000 and 15,000 feet. Observing the lack of direct fighter opposition, many German bomber crews speculated that the RAF was nearing exhaustion.

Most Biggin Hill personnel had sufficient warning to take cover before the bombing began. Although intense air combat disrupted bombing accuracy, many Heinkels still got through. Bombs struck the airfield’s hangars, repair sheds, and dispersal areas, damaging several aircraft on the ground. Crucially, the operations room remained intact. KG 1 lost one aircraft, with another damaged—a He 111H-3 (V4+GK) of 2./KG 1 was shot down at approximately 13:30 hours by No. 65 Squadron and Squadron Leader M. N. Crossley of No. 32 Squadron, force-landing at Snargate near Dymchurch; Lt. R. Ahrens, Ofw. E. Katzmarski, Uffz. G. Schneider, and Flgr. K. Natzke were captured, while Uffz. H. Gericke died in Rye Hospital.

Despite the damage, Biggin Hill was not knocked out and resumed flying operations within hours.

The Raid on West Malling

At about 13:45 hours, RAF West Malling, a satellite airfield with limited defences, was bombed by Ju 88s of II./KG 76. Several buildings were hit and fires started, though the station’s operational capacity was little affected. Light anti-aircraft fire scored minor hits on some of the withdrawing bombers. During the attack, a Ju 88A (F1+GP) of 6./KG 76 was shot down by Sergeant P. C. P. Farnes of No. 501 Squadron and crashed at Church Farm, Aylesford; Ofw. K. Krebs was killed, while Fw. O. Watermann, Uffz. H. Löffler, and Sonderführer Lt. Buchmeier baled out and were captured.

German Withdrawal

By 13:30, the four German bomber formations—those targeting Kenley, Biggin Hill, and West Malling—were turning back toward France. But the most dangerous part of the mission still lay ahead. Fuel was running low, the formations were scattered, and stragglers risked falling behind the main groups.

RAF Fighter Command, already stretched thin, continued to dispatch fresh squadrons. Nos. 1, 17, 54, 56, and 266 Squadrons, totalling 23 Spitfires and 36 Hurricanes, moved into position to intercept the retreating Germans across the southeast. Thickening haze made Observer Corps tracking difficult, but Air Vice-Marshal Keith Park ordered his fighters to spread out and engage wherever possible.

The strategy proved effective. Between the Thames Estuary and the Channel, RAF squadrons intercepted several withdrawing formations, and the escorting Zerstörer units suffered heavily. At approximately 13:35 hours, one Bf 110C (3U+EP) of 6./ZG 26 was shot down and crashed at St Mary’s Marsh, Blackmanstone near Newchurch; Lt. H.-J. Kästner and Uffz. W. Kaffenberger were captured.

Five minutes later, a Bf 110C-4 of 3./ZG 26 was brought down by Flying Officer P. S. Weaver of No. 56 Squadron and crashed at Bonnington; Ofw. W. Stange and Uffz. H. Hesse were missing, believed killed. Another Bf 110C (3U+IP, W.Nr. 3060) of 6./ZG 26 was shot down by Sergeant P. E. M. Robinson of No. 56 Squadron and crashed at Pluckley; Ofw. A. Kiefel and Uffz. J. Hemmersbach were killed.

Two further Bf 110s of 6./ZG 26 were lost in quick succession. One aircraft was destroyed by Pilot Officer M. H. Mounsdon of No. 56 Squadron and crashed at Platts Heath, Lenham; Oblt. H. Hellmuth and Fw. F. Winter were missing, believed killed. The second was shot down by No. 56 Squadron and Pilot Officer G. E. Goodman of No. 1 Squadron, crashing into the sea off Folkestone; Uffz. G. Wollin was killed—his body later recovered and buried at Folkestone New Cemetery, Hawkinge—while Fw. H. Stange was captured.

Estimates vary, but ZG 26 lost between 12 and 15 aircraft during the day.

Single-engine fighters also took losses. Bf 109s of JG 3, JG 26, and JG 54 were engaged during the withdrawal, with stragglers—many low on fuel—proving particularly vulnerable. A Bf 109E-4 of III./JG 3 was shot down at approximately 13:40 hours and crashed near Bredhurst; Lt. E. von Fonderen was missing, believed killed. At approximately 13:50 hours, Bf 109E-4 (13+, W.Nr. 1990) of 2./JG 3 force-landed in Abbey Field, Leeds, Kent; Oblt. H. Tiedmann evaded capture for twelve hours before being taken prisoner. In one action, No. 266 Squadron claimed five Bf 109s destroyed.

Meanwhile, over the Isle of Wight and the Solent, additional RAF squadrons intercepted Bf 109s from JG 2 and JG 27 sent to support the retreat. JG 2 lost at least one fighter and a second was damaged. JG 27 lost six Bf 109s, including experienced pilots, in combat with Hurricanes of No. 85 Squadron. One pilot was rescued from the Channel; the others were posted missing or killed.

14:00 Hours: Coastal Airfields and Radar Attacks

At approximately 14:00 hours, the Luftwaffe launched one of its most ambitious attacks of the day, striking Fleet Air Arm and Coastal Command airfields, as well as a Chain Home radar station. The assault was led by Ju 87 Stuka dive-bombers from I. and II./StG 77, III./StG 77, and I./StG 3, supported by 157 Bf 109s from JG 2, JG 27, and JG 53. The principal targets were RAF Ford, RAF Thorney Island, RNAS Gosport, and the radar station at Poling, near Littlehampton. Though none of these sites were part of Fighter Command’s sector airfield network, their destruction would reduce Britain’s coastal surveillance and disrupt naval aviation operations.

The Luftwaffe committed over 100 Ju 87s to this operation, the largest number deployed over Britain to date. Formations took off from forward bases near Cherbourg after transferring from bases around Caen earlier that morning. Each aircraft was armed with a 550-lb bomb under the fuselage and four smaller 11-lb bombs under the wings.

As they approached the English coast, the four bomber groups separated to strike their assigned targets: I./StG 3 headed for Gosport, II./StG 77 for Ford, I./StG 77 for Thorney Island, and III./StG 77 for Poling.

Attack on Ford, Thorney Island, and Gosport

At RAF Ford, 28 Ju 87s of II./StG 77 attacked in tight formation. The airfield had limited anti-aircraft defences—just six Lewis guns—and the Stukas encountered little opposition. Bombs struck fuel stores, hangars, and accommodation blocks, igniting a massive blaze. The oil tanks and storage compounds were hit early in the raid, and two hangars were completely destroyed. Fourteen aircraft were destroyed on the ground, including Blackburn Sharks, Fairey Swordfish, and Fairey Albacores, with a further twenty-six damaged. Casualties were heavy: 28 personnel were killed and 75 wounded. Fires raged for hours, and local fire brigades were forced to draw water from ditches and static tanks after the main supply pipe was severed by bomb blasts.

At Thorney Island, 28 Stukas from I./StG 77 struck the airfield, setting two hangars and several buildings ablaze. The runways were cratered, and three aircraft—a Blenheim, an Avro Anson, and a Miles Magister—were destroyed, while a Wellington bomber was damaged. Though the damage was considerable, casualties were minimal, with five civilian workers injured when a 110-lb bomb landed near their shelter.

Meanwhile, 22 Ju 87s from I./StG 3 attacked RNAS Gosport. Accurate bombing destroyed five aircraft and damaged five more, while several workshop buildings were hit and ten barrage balloons destroyed. All bombs fell within the station perimeter, and no personnel were killed.

Attack on Poling Radar Station

At the Poling radar station, III./StG 77, led by Major Helmut Bode, delivered a concentrated attack. A total of 87 high-explosive bombs were dropped, 44 landing within the RAF compound and 43 in the surrounding area. Two transmission pylons were destroyed, fires swept through the stores buildings, and several nearby homes were damaged. Although the radar chain remained operational through mobile backup units and overlapping coverage, Poling was rendered inoperative for the remainder of August, creating a temporary gap in radar coverage along the Sussex coast.

RAF Response and Air Combat

RAF Fighter Command, already stretched by earlier battles over Kent and Surrey, responded as quickly as possible. Eighteen Hurricanes from Nos. 43 and 601 Squadrons intercepted I./StG 77 as it approached Thorney Island. Lacking close fighter escort, the Stukas were highly vulnerable, and in the fierce fighting that followed ten of the twenty-eight Ju 87s were shot down, with another five damaged.

While attacking Ford, one Ju 87B (S2+UN, W.Nr. 5167) of 5./StG 77 was shot down at approximately 14:23 hours by Sergeant B. E. P. Whall of No. 602 Squadron and force-landed at Ham Manor Golf Course, Angmering. Ofw. K. Schweinhardt was captured, while Ofw. W. Geiger died of his wounds later the same day. Two minutes later, Whall brought down a second aircraft of III./StG 77 during the attack on Poling RDF station, which crashed into the sea off Littlehampton. Uffz. W. Moll’s body was washed into Newhaven Harbour on 26 August, while Uffz. A. Schwemmer’s body later washed ashore in France.

Around Thorney Island, a Ju 87B-1 of 3./StG 77 crashed at North Barn, Chidham. Oblt. D. Lehmann and Uffz. H. Winiarski were reported missing, believed killed. Another aircraft of the same unit was shot down by Pilot Officer C. K. Gray of No. 43 Squadron and crashed at Spring Gardens, Cutmill, West Ashling. Oblt. H.-J. Schaffer and Uffz. E. Klotmann were reported missing, believed killed.

Sergeant H. J. L. Hallowes of No. 43 Squadron brought down a Ju 87B-1 (W.Nr. 5518), which crashed into Fishbourne Creek. Oblt. J. Wilhelm and Uffz. A. Worner baled out and were captured.

A Ju 87B-1 of 2./StG 77 crashed into the sea off Dunnose Head, Ventnor. Lt. H. Sinn was rescued by the shoreboat Spencers, while Uffz. J. Schmitt was killed and later buried at St Nicholas Churchyard, West Thorney.

Another Ju 87B-1 of 3./StG 77 crashed vertically at Whitehouse Farm, West Broyle, Chichester; Uffz. E. Kohl and Uffz. A. Dann were killed, the latter later buried as an unknown airman at Christchurch Cemetery, Portsmouth. A further aircraft of the same unit crashed into the Channel off Selsey Bill at approximately 14:35 hours; Ofw. G. Riegler and Gefr. O. Langwost were rescued by the lifeboat Canadian Pacific.

Elsewhere, Spitfires from Nos. 152, 234, and 602 Squadrons and Hurricanes from No. 213 Squadron engaged the escorting fighters. No. 234 Squadron clashed with Bf 109s from I./JG 27, while No. 602 Squadron was bounced by III./JG 27, losing three Spitfires. RAF losses in total amounted to six fighters destroyed and four damaged.

The escorting fighters also suffered losses. A Bf 109E-4 of 6./JG 2 was shot down at approximately 14:20 hours over the Isle of Wight and crashed at Tapnall Farm, near Freshwater. Oblt. R. Möller-Friedrich baled out and was captured.

At approximately 14:35 hours, another Bf 109E-4 (W.Nr. 1455, “6+-”) force-landed on Shanklin Down, and Oblt. J. Neumann was captured. Five minutes later, at approximately 14:40 hours, a Bf 109E-4 (“6+”) of 1./JG 27 was shot down and crashed into the sea off Sandown. Lt. G. Mitsdörfer was rescued after baling out.

The sky between Gosport and Bognor Regis was soon filled with nearly 300 aircraft, making it one of the largest and most chaotic engagements of the day. RAF Blenheims from No. 235 Squadron joined the defence, while Coastal Command units and experimental radar-equipped Hurricanes from the Fighter Interception Unit were also deployed.

By the end of the day, StG 77 had suffered heavily: ten Ju 87s from I. Gruppe destroyed, three from II. Gruppe, and two from III. Gruppe. Manpower losses totalled 26 dead, six wounded, and six captured. The Ju 87’s vulnerability was now fully exposed, and 18 August 1940 marked its last major appearance in daylight raids over Britain during the Battle of Britain.

Despite the scale of destruction at Ford, Thorney Island, and Poling, none of the sites were core sector stations. Fighter Command’s primary defence system remained intact. However, the attack and resulting damage imposed real operational strain at a crucial point in the campaign.

17:00 Hours: Final Assault on Essex Sector Stations

By 17:00 hours, radar stations were tracking new German formations assembling over Pas-de-Calais and the Kent coast. This marked the start of the final major assault of the day, directed at RAF sector stations in Essex, specifically North Weald and Hornchurch. The Luftwaffe committed a force of roughly 250 aircraft, including 51 Heinkel He 111s from KG 53, tasked with bombing North Weald and 58 Dornier Do 17s from KG 2, targeting Hornchurch. The He 111s, with a longer distance to cover, departed fifteen minutes earlier and crossed the coast at Foulness, while the Dorniers approached via Deal.

Escort was provided by approximately 140 Bf 109s and Bf 110s from JG 3, JG 26, JG 51, JG 54, and ZG 26. To meet the threat, No. 11 Group Fighter Command scrambled 13 squadrons, with No. 12 Group contributing four more. In total, 47 Spitfires and 97 Hurricanes were airborne. Initial interceptions were ordered along the Margate–Canterbury line, with squadrons including Nos. 32, 54, 56, and 501 sent to meet the incoming raids, while others circled at higher altitudes near threatened airfields, awaiting clearer enemy intentions.

The Attack on North Weald

He 111s from KG 53 approached North Weald from the east between Maldon and Rochford. Twelve Hurricanes from No. 56 Squadron intercepted the bombers, while eleven Spitfires from No. 54 Squadron engaged their fighter escort. The weather complicated the bombing run—cloud cover dropped from 5,000 to 3,500 feet by 17:30, making accurate bombing impossible from the planned altitude. At 17:40, KG 53 turned back toward France.

As the bombers withdrew, they were attacked by five squadrons: Nos. 46, 85, 151, 257, and 310, totalling 61 Hurricanes. Pilot Officer Richard Milne of No. 151 Squadron shot down the Gruppenkommandeur of II./KG 53, Major Reinhold Tamm, whose He 111 exploded in mid-air, killing all aboard. However, Bf 109s and Bf 110s counter-attacked, shooting down Hurricanes from Nos. 151, 257, and 85 Squadrons, killing two pilots and wounding others.

No. 85 Squadron, led by S/L Peter Townsend, attempted to reach the bombers but was blocked by Bf 110s from ZG 26, supported by Bf 109s from III./JG 51. F/L Dick Lee, a Battle of France veteran with nine confirmed victories, was last seen chasing Bf 109s out to sea. He was declared missing. F/O Paddy Hemmingway was shot down but baled out into the Channel and survived. As fuel and ammunition ran low, most RAF squadrons were forced to break off, but No. 54 Squadron’s C.O., S/L Colin Gray, remained in the fight and shot down a Bf 110.

As KG 53 retreated, it dumped bombs across Shoeburyness and the surrounding area. While most landed on the mudflats or caused only light damage, some hit residential areas. An Anderson shelter was destroyed, killing a couple inside; another bomb hit a signal box, killing the operator. Approximately 200 bombs fell in the area, many of them delayed-action.

Despite the strength of the resistance, KG 53’s losses remained comparatively light, with four He 111s destroyed and one damaged. Among them was a He 111H-2 (A1+FS), shot down at approximately 17:35 hours by Flying Officer P. S. Weaver of No. 56 Squadron and Pilot Officer W. P. Hopkin of No. 54 Squadron. The aircraft force-landed at Small Gains Farm, Foulness, where Lt. W. Leber, Fw. H. Feick, Uffz. K. Hilgert, and Gefr. K. Erfurt were captured, while Fw. J. Wild baled out and later died of his injuries.

At approximately 17:50 hours, a He 111H-2 (A1+FR) of 7./KG 53 was shot down by Flight Lieutenant H. R. Hamilton of No. 85 Squadron and crashed into the sea off Ramsgate. Oblt. F. Zipse, Uffz. W. Grasser, Gefr. W. Reinhardt, Gefr. G. Worch, and Gefr. H. Mailander were captured after spending twenty-six hours adrift in their dinghy.

Total personnel losses for KG 53 amounted to 12 killed, 2 wounded, and 9 captured.

Much of the burden of the fighting fell on the escorting Zerstörer of ZG 26, whose losses were considerably heavier. Seven Bf 110s were destroyed and a further six damaged in the course of the engagements.

At approximately 17:30 hours, a Bf 110C of 4./ZG 26 was shot down by Pilot Officer C. F. Gray of No. 54 Squadron and crashed into Smith’s Sandpits, Alton Park Road, Clacton. Hptm. H. Lüttke and Uffz. H. Brillo were reported missing, believed killed.

Another aircraft, a Bf 110C (3U+AM) of the same unit, was brought down by a combination of ground fire and Squadron Leader G. A. L. Manton of No. 56 Squadron, crashing at Leysdown on Sheppey. Uffz. H. Jäckel was killed, while Uffz. T. Rutters was captured, badly burned.

A third aircraft, a Bf 110C (3U+CM), also of 4./ZG 26, was shot down by Flight Lieutenant H. R. Hamilton, Pilot Officer A. G. Lewis, and Sergeant F. R. Walker-Smith of No. 85 Squadron and crashed into the sea off North Foreland. Fw. F. Gierga was rescued, while Uffz. G. Baar was reported missing, believed killed.

The Attack on Hornchurch

Meanwhile, Squadron Leader Michael Crossley of No. 32 Squadron led Hurricanes alongside No. 501 Squadron to intercept KG 2’s Dorniers near Herne Bay. The attempt to reach the bombers was frustrated by Bf 109s from II./JG 51, which broke up the RAF attack. In the fighting, No. 501 pilot George E.B. Stoney was killed by Hptm. Josef Fözö, while No. 501 Squadron countered by shooting down three Bf 109s, killing Horst Tietzen—a twenty-victory ace and Staffelkapitän of 5./JG 51—as well as Hans-Otto Lessing and Gerhard Müller. Peter Brothers also accounted for a Bf 109, and Walter Blume, seriously wounded, was captured after crash-landing.

However, the Luftwaffe regained the upper hand. Three Hurricanes—including Crossley’s—were shot down in return. All three pilots survived, though P/O Pearce and P/O de Grunne suffered burns. Meanwhile, the Do 17s of KG 2 continued unimpeded toward their targets.

Final Bombing and Withdrawal

As the Dorniers crossed Sheerness, anti-aircraft defences along the Thames Estuary opened fire. Fifteen gun positions fired salvos of 4.5-inch and 3.7-inch shells to protect naval installations at Chatham. Low cloud made accurate bombing difficult, and several bombers turned back with their loads still onboard. Others released bombs blindly. Three aircraft attacked the Royal Marines barracks at Deal, while others dropped bombs on the return journey without encountering further resistance.

Luftwaffe Fighter Losses and Notable Casualties

During the late-day operations, the Luftwaffe suffered a number of significant fighter losses. Among them was Oblt. Helmut Teidmann of 2./JG 3, an experienced pilot credited with seven victories, who was shot down and captured.

At approximately 17:30 hours, a Bf 109E-4 of 7./JG 26 was shot down by Flying Officer A. F. Eckford and Pilot Officer K. Pniak of No. 32 Squadron during combat over Canterbury and crashed at Elmstead Court, Barham. Oblt. W. Blume was captured. In the same engagement, a Bf 109E-1 of 7./JG 26 was brought down by Flight Lieutenant P. M. Brothers and Pilot Officer B. Własnowolski of No. 32 Squadron, crashing into woodland at Chilham. Lt. G. Müller-Dühe was killed.

Later, at approximately 18:15 hours, a Bf 109E-4 (W.Nr. 2755) of 8./JG 3 was shot down by Squadron Leader D. A. Pemberton of No. 1 Squadron over Staplehurst and crashed at Blue House Farm, Milebush. Obgfr. W. Basell was killed.

Over Portsmouth, JG 2 lost three Bf 109s, including Oblt. Rudolf Möller-Friedrich of 6./JG 2, who was reported missing. Two further fighters crash-landed at Cherbourg, both pilots wounded. A Heinkel He 111 of KGr 100, conducting its first daylight pathfinder mission, was also lost.

Enemy Action by Night

German activity during the night of 18/19 August was limited compared to the scale of the daytime assault, with operations largely confined to scattered harassing raids. A few bombs were dropped near RAF Dunkirk and Grantham between 22:00 and 23:30 hours, while aircraft were tracked over East Anglia and the Thames Estuary, likely engaged in minelaying. South Wales and the West Midlands were visited by around a dozen raids between 21:00 and 02:00 hours.

During one such operation, at approximately 23:50 hours, He 111P (W.Nr. 1408) of 5./KG 27 was rammed by Avro Anson L9164, flown by Sergeant B. Hancock of No. 6 FTS, as it approached Windrush aerodrome. The Heinkel crashed at Blackbitch Farm, Aldsworth; Ofw. A. Dreher, Uffz. R. Schmidt, Uffz. H. Rave, and Uffz. E. Cohrs were killed.

At approximately 02:25 hours, an isolated incursion near Skegness marked the final contact of the night. These sporadic raids caused negligible damage but were sufficient to keep RAF night-fighter units on continuous alert.

Summary

Sunday, 18 August 1940 was the costliest day of the campaign for the Luftwaffe. Despite heavy attacks, they failed to put any RAF sector station out of action—a clear sign of Fighter Command’s resilience and the strength of Britain’s air defence system. While airfields and radar sites suffered real damage, the core of Fighter Command remained operational.

The day marked a turning point. It exposed the Ju 87’s vulnerability in contested skies and revealed the limits of the Luftwaffe’s ability to coordinate large, multi-phase assaults. Fighter Command had endured its hardest day—badly hit, but still in the fight.

German Losses:
Airmen: 97 | Aircraft: 67

British Losses:
Airmen: 10 | Aircraft: 33

Hurricane L1921, No. 17 Squadron.
P/O N.D. Solomon killed. Shot down by Bf 109 off Dover.
http://www.bbm.org.uk/airmen/Solomon.htm

Spitfire R6713, No. 65 Squadron.
F/O F. Gruszka killed. Aircraft crashed at Westbere, near Canterbury, during a flight patrol.
http://www.bbm.org.uk/airmen/Gruszka.htm

Hurricane P2923, No. 85 Squadron.
F/O R.H.A. Lee. Reported as missing. Last seen in pursuit of an enemy formation thirty miles off the east coast. Failed to return.
http://www.bbm.org.uk/airmen/LeeRHA.htm

Hurricane R4181, No. 151 Squadron.
P/O J.B. Ramsay. Reported as missing. Failed to return from an engagement with enemy aircraft over Chelmsford.
http://www.bbm.org.uk/airmen/RamsayJB.htm

Hurricane R4187, No. 111 Squadron.
F/Lt. S.D.P. Connors killed. Shot down by anti-aircraft fire whilst attacking Do 17s bombing Kenley.
http://www.bbm.org.uk/airmen/Connors.htm

Hurricane P3208, No. 501 Squadron.
P/O J.W. Bland killed. Shot down by Bf 109 over Canterbury, Kent.
http://www.bbm.org.uk/airmen/Bland.htm

Hurricane P2549, No. 501 Squadron.
F/Lt G.E.B. Stoney killed. Shot down by Bf 109. Aircraft crashed near Stile Farm, Chilham.
http://www.bbm.org.uk/airmen/Stoney.htm

Hurricane R4191, No. 601 Squadron.
Sgt L.N. Guy killed. Shot down by Bf 109 off Sussex coast.
http://www.bbm.org.uk/airmen/Guy.htm

Hurricane L1990, No. 601 Squadron.
Sgt R.P. Hawkings killed. Shot down by Bf 109 over the Sussex coast
http://www.bbm.org.uk/airmen/Hawkings.htm

Hurricane P2768, No. 601 Squadron.
Sgt P.K. Walley killed. Shot down by Bf 109s near Sevenoaks, Kent.
http://www.bbm.org.uk/airmen/Walley.htm

Photo Descriptions

1. A Dornier 17Z of 9.Staffel/Kampfgeschwader 76 is manhandled back into its dispersal point at Cormeilles-en-Vexin.
2. Dornier Do 17Z bombers of 9./KG 76 skim low over the English Channel en route to attack RAF Kenley, 18 August 1940.
3. RAF Kenley under air attack as seen from a Dornier Do 17 of 9./KG 76 on 18 August 1940. A Spitfire of No. 64 Squadron can be seen in a blast pen.
4. A Miles Magister is completely wrecked inside a bombed and collapsed hangar at RAF Kenley following a Luftwaffe raid on 18 August 1940.
5. A Hurricane of No. 615 Squadron badly damaged by a bomb blast at RAF Kenley following a Luftwaffe raid on 18 August 1940.
6. The burnt-out wreckage of a Dornier Do 17Z-2 of 9./KG 76 at Leaves Green, near Biggin Hill in Kent, 18 August 1940. The aircraft was shot down by ground defences and Hurricanes of No. 111 Squadron during a low-level attack on Kenley aerodrome. © IWM (HU 70021)
7. RAF aircraftmen guard the remains of Dornier Do17Z-2 (F1+HT) of 9./KG 76 shot down during the low-level attack on Kenley aerodrome, 18 August 1940. The aircraft crashed in Golf Road, Kenley at 1:20pm. © IWM (HU 70268)
8. The final moments of a Junkers Ju 87 Stuka of I/StG 77, before it crashed at West Broyle near Chichester on 18 August, 1940. The crew, Unteroffizier August Dann and Unteroffizier Erich Kohl, were both killed. This aircraft was one of ten Stukas shot down during an attack on Thorney Island.
9. Messerschmitt Bf 110C-4 (U8+BB, W.Nr. 3102) of Stab I./ZG 26 shot down by S/Ldr A R D MacDonell of No. 64 Squadron on 18 August 1940. The aircraft belly-landed at Lydd, Kent. The crew, Oblt. Rüdiger Proske (Gruppenadjutant) and Bordfunker Uffz. Hans Mobius, were both captured.
10. Dense smoke rising from the blazing fuel tanks at RNAS Ford after the Luftwaffe raid on 18 August 1940.
11. Station personnel emerging from their slit trenches at RNAS Ford, immediately after the airfield had been dive-bombed on 18 August 1940.
12. Wrecked buildings at RNAS Ford following the Stuka attack on 18 August 1940.