Date:	Saturday 4 August 1956
Time:	day
Type:	Boulton Paul Sea Balliol T.21
Owner/operator:	727 Sqn FAA RN
Registration:	WL726
MSN:
Fatalities:	Fatalities: 1 / Occupants: 1
Aircraft damage:	Destroyed
Location:	HMS Goldcrest, RNAS Brawdy, Pembrokeshire -   United Kingdom
Phase:	Manoeuvring (airshow, firefighting, ag.ops.)
Nature:	Demo/Airshow/Display
Departure airport:	HMS Goldcrest, RNAS Brawdy, Pembrokeshire
Destination airport:	HMS Goldcrest, RNAS Brawdy, Pembrokeshire
Confidence Rating:	Information is only available from news, social media or unofficial sources

Narrative:
Boulton Paul Sea Balliol T.21 WL726: Delivered 7.4.54 to the RN Fleet Air Arm at RNAS Anthorn ADU. First issued for service with the Station Flight, HMS Triumph (as "832/P") in June 1954. Transferred to 727 Squadron, HMS Goldcrest, RNAS Brawdy, Pembrokeshire on 4.1.56 as "564/BY")

Written off 4.8.1956: Struck the runway and exploded during a display at the RNAS Brawdy Air Show, Pembrokeshire. Per eyewitness report: "During aerobatics, after a dive and controlled stall turn onto the runway, appeared to complete the manoeuvre with adequate height, but at the last stage mushed into a depression beyond the runway and exploded on impact." The pilot - Lieutenant John M. Mitchell - was killed.

Formally Struck off Charge as Cat.ZZ on 4.8.56 at RNAS Brawdy

1. Final Flights: Aviation Accidents in West Wales from the Great War ..., Volume 1 By John Evans
2. Fleet Air Arm Fixed Wing Aircraft Since 1946 (Ray Sturtivant et al, Air Britain, 1946 p 76)
3. http://simviation.com//lair/casualty1956.htm
4. http://www.ukserials.com/losses-1956.htm
5. http://www.naval-history.net/xDKCas1956-59.htm
6. https://forum.keypublishing.com/showthread.php?91543-Sea-Balliol-at-Brawdy
7. https://en.wikipedia.org/wiki/HMS_Triumph_(R16)#Remainder_of_service
8. http://www.ukserials.com/results.php?serial=WL

Date/time	Contributor	Updates
22-Mar-2013 13:03	Dr. John Smith	Added
07-May-2013 14:17	Nepa	Updated [Operator]
24-Jun-2020 18:48	Dr. John Smith	Updated [Time, Location, Departure airport, Destination airport, Source, Narrative]
24-Jun-2020 18:52	Dr. John Smith	Updated [Source]