Date:	Thursday 21 March 1946
Time:	day
Type:	Supermarine Spitfire F Mk 21
Owner/operator:	A&AEE Boscombe Down
Registration:	PP139
MSN:	VAHPA
Fatalities:	Fatalities: 0 / Occupants: 1
Aircraft damage:	Destroyed
Location:	Boscombe Down, Wiltshire, England -   United Kingdom
Phase:	Landing
Nature:	Test
Departure airport:	Boscombe Down, Wiltshire (EGDM)
Destination airport:	Boscombe Down, Wiltshire (EGDM)
Confidence Rating:	Information is only available from news, social media or unofficial sources

Narrative:
PP139; Spitfire F.21. Built by VAHPA (Vickers Armstrong High Post) with Griffin G65 engine. PP139 was the Spitfire F.21 second prototype, built to Contract CRD/2601. First flown 7-43. To A&AEE Boscombe Down 11-43. G61 installation and engine trials (A&AEE Aero Note was entitled 'Victor' - the original proposed name for the Spitfire F.21). Engaged in various trials at Boscombe Down: Speed trials and positional error weights and C of G loads. Thin section wing with extended tips metal ailerons undercarriage wheel doors for wells flush riveted throughout.

To ASTH (Airwork Service Training Hamble) 29-6-45. FACB (Flying Accident Cat. B) 21-3-46 at Boscombe Down, Wiltshire (detail lacking, but believed to have been a landing accident). Not repaired, re-cat FACE (Flying Accident Cat. E) 13-4-46 and Struck Off Charge (Note: not to be included in RAF strength) Serial was same as on Sunderland PP139.

1. Halley, James (1999). Broken Wings – Post-War Royal Air Force Accidents. Tunbridge Wells: Air-Britain (Historians) Ltd. p.37 ISBN 0-85130-290-4.
2. Final Landings: A Summary of RAF Aircraft and Combat Losses 1946 to 1949 by Colin Cummings p.124
3. http://www.airhistory.org.uk/spitfire/p089.html
4. http://www.rafcommands.com/database/serials/details.php?uniq=PP139
5. https://en.wikipedia.org/wiki/Supermarine_Spitfire_(Griffon-powered_variants)#Mk_21_(type_356)
6. http://www.spitfireperformance.com/pp139.html
7. https://www.worldwarphotos.info/gallery/uk/raf/spitfire2/mk21-pp139/
8. National Archives (PRO Kew) Aircraft Inspection Schedule: Spitfire F.21 with Griffon 65 Engine and Spitfire F.22 with Griffon 61 Engine Issue No. 1 file AIR 10/4895 dated 1944: https://discovery.nationalarchives.gov.uk/details/r/C3307246
9. https://discovery.nationalarchives.gov.uk/results/r?_q=Spitfire+F.21&_p=1925
.

Date/time	Contributor	Updates
06-Jul-2021 21:44	Dr. John Smith	Added
21-May-2023 07:57	Nepa	Updated
02-Jul-2023 00:20	Dr. John Smith	Updated
16-Sep-2023 13:28	Dr. John Smith	Updated