ASN logo
ASN Wikibase Occurrence # 68625
Last updated: 11 November 2021
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Type:Hawker Demon Mk I
Owner/operator:604 (County of Middlesex) Squadron Royal Air Force (604 (County of Middlesex) Sqn RAF)
Registration: K4502
Fatalities:Fatalities: 2 / Occupants: 2
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Location:Colindale Underground Station, near RAF Hendon, Middlesex. -   United Kingdom
Phase: Take off
Departure airport:RAF Hendon, Middlesex
Destination airport:
Hawker Demon K4502, 604 (County of Middlesex) Squadron, RAF Hendon: Written off (destroyed) 4/8/35 when engine failed on take-off & crashed onto the railway line at Colindale Underground Station, near RAF Hendon, Middlesex. Both crew killed.

Flying Officer Robert Louis Nimmo (pilot, aged 28) RAF Aux AF killed.
Aircraftsman Sidney John Mabbutt (aged 22)


1. Air-Britain The K File The RAF of the 1930s
6. Dundee Evening Telegraph Angus, Scotland 20 Aug 1935
8. Memorial Plaque to R.L.Nimmo in Dunblance Cathedral:

Revision history:

07-Oct-2009 21:09 JINX Added
18-Jan-2012 06:37 Nepa Updated [Operator, Departure airport, Source, Narrative]
06-Jul-2013 13:43 JINX Updated [Operator, Departure airport, Source, Narrative]
14-Jul-2013 02:53 JINX Updated [Source]
02-Aug-2013 14:21 Nepa Updated [Operator, Location, Phase, Departure airport, Narrative]
04-Aug-2013 06:53 JINX Updated [Operator, Location]
04-Aug-2013 09:44 Nepa Updated [Operator, Location, Narrative]
04-Aug-2013 15:02 JINX Updated [Operator, Location]
14-Oct-2014 15:04 yarbi Updated [Operator, Location]
22-Jan-2016 06:23 JINX Updated [Aircraft type, Operator, Location]
26-Mar-2016 20:31 Yarbi Updated [Aircraft type, Operator, Location]
01-Mar-2018 16:14 Dr. John Smith Updated [Time, Departure airport, Source, Narrative]
05-Apr-2018 22:07 Dr. John Smith Updated [Source, Narrative]
05-Apr-2018 22:43 Dr. John Smith Updated [Narrative]
05-Apr-2018 22:49 Dr. John Smith Updated [Location, Source]
05-Apr-2018 23:45 Dr. John Smith Updated [Source]

Corrections or additions? ... Edit this accident description