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ASN Wikibase Occurrence # 165610
Last updated: 24 August 2020
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Type:Silhouette image of generic MOSQ model; specific model in this crash may look slightly different
de Havilland DH.98 Mosquito NF Mk 30
Owner/operator:500 (County of Kent) Squadron Royal Air Force (500 (County of Kent) Sqn RAF)
Registration: NT619
C/n / msn:
Fatalities:Fatalities: 0 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:RAF stn Gravesend, Kent, England. -   United Kingdom
Phase: Landing
Departure airport:RAF West Malling, Kent
Destination airport:RAF Gravesend, Kent
Mosquito NT619 Engine cut lost height and bellylanded at RAF Gravesend 18.1.1948

A Mosquito made a belly landing at RAF Gravesend on 18.1.1948. Flown by F/Lt Leggett and with the Engineer Officer from 500 Sqn in the navigator's seat, NT619 had taken off from RAF West Malling on a practice flight. When airborne the aircraft appeared to be perfectly serviceable and a climb was commenced. On reaching 1400' there was a sudden and complete loss of power from the starboard engine. According to the pilot "it felt as though someone had switched off both magnetos". An attempt was made to feather the starboard propeller but this was unsuccessful. As height was being lost a belly landing with full flap was carried out at RAF Gravesend. From the first point of impact to the final resting place was only 28 yards! The port propeller and reduction gear were torn off, but both of the men escaped serious injury.

Inspection was concentrated on the starboard engine which had been reported as having cut-out during the flight, but everything appeared to have been satisfactory. The engine was sent to Rolls Royce for further investigation, and they discovered that the dural drive gear for the fuel pump had failed. A couple of hours previous to the flight, this fuel pump had been changed owing to shearing of the quill drive shaft. The fitters had neglected to change the associated drive, and Rolls Royce concluded that it had been the shock loading from the original failure that caused the breakdown of the dural drive gear. No reason could be found for the inability to feather the propeller.

F/Lt (122.820) Richard William LEGGETT (pilot) RAFVR - Ok
and with the Engineer Officer (nav.) RAFVR - Ok


1. Halley, James (1999). Broken Wings Post-War Royal Air Force Accidents. Tunbridge Wells: Air-Britain (Historians) Ltd. p.64. ISBN 0-85130-290-4.
2. National Archives (PRO Kew) File AVIA 5/29/W2408:
5. 500 Sqn ORB (Air Ministry Form AM/F.540) 1 Aug 1946 to 31 Mar 1957: National Archives (PRO Kew) File AIR 27/2494 at

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Revision history:

20-Apr-2014 12:11 Nepa Added
31-Jul-2014 11:52 Earl Updated [Location, Narrative]
03-Jun-2015 16:08 Z. Zeeland Updated [Operator, Location]
31-Jul-2015 10:08 Nepa Updated [Aircraft type]
04-Mar-2016 19:25 Doyle Updated [Narrative]
18-Sep-2019 18:30 Nepa Updated [Other fatalities, Narrative, Operator]
28-Nov-2019 18:58 Dr. John Smith Updated [Time, Source, Narrative]

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