I have an interest in all things Slingsby and own more than i dare admit. However back to the thread. This is what I know of the Hooteb Park built T.21’s:
MH001 T.21B Sedburgh TX1 WB974 Built by Martin Hearn Ltd in 1949. Delivered 21/10/49. 661 VGS RAF Kinloss. Sold 22/10/87 to Axxes Aviation. To BGA C of A 2/89 as BGA3423. Exported to Norway as LN-GAO. Reregistered in Finland as OH-914X. Airworthy at Brandenburg – Muhlenfeld, Germany.
MH002 T.21B Sedburgh TX1 WB975 Built by Martin Hearn Ltd in 1949. Delivered 31/10/50. 662 GS, Arbroath. 661 GS, Kirknewton. Sold 21/08/86. To BGA C of A 8/7/87 as BGA3288/FJB. Privately owned at Drumshade. Airworthy.
MH003 T.21B Sedburgh TX1 WB976 Built by Martin Hearn Ltd in 1949. Delivered 18/11/49. 642 GS, RAF Rufforth, 11/50. 611 VGS, Swanton Morley. Sold 22/08/85. To BGA3297. Crashed at Crowland 01/07/95, after elervator linkage failed.
MH004 T.21B Sedburgh TX1 WB977 Built by Martin Hearn Ltd in 1949. Delivered 25/11/49. 644GS, RAF Spittlegate. Written off at RAF Spittlegate, 19/05/57. SOC 21/5/57 as Cat 5( c ).
MH005 T.21B Sedburgh TX1 WB978 Built by Martin Hearn Ltd in 1949. Delivered 1/12/49. 611 VGS, Swanton Morley. 616 VGS, RAF Henlow. Sold 12/08/85. To BGA C of A 26/1/86 as BGA3189/FDY. Substantially damaged in failed winch launch at Challock, 19/06/02. Repaired. Airworthy at Waldershare Park, Kent.
MH006 T.21B Sedburgh TX1 WB979 Built by Martin Hearn Ltd in 1949. Delivered 14/12/49. 31GS RAF Unsworth 1950. 645 VGS RAF Middleton St George, 9/58. 645 GS RAF Catterick, 5/60 – 1983. Sold 22/10/87 to Axxes Aviation. Exported to Sweden as SE-SMN. Airworthy with Kronobergs Segelflygklubb. To France as F-AZSY, Apparat, France
MH007 T.21B Sedburgh TX1 WB980 Built by Martin Hearn Ltd in 1949. Delivered 29/12/49. 616 VGS, RAF Henlow. 626 VGS, RNAS Predanack. Sold 6/08/86. To BGA C of A 29/8/87 as BGA3290/FJD. Privately owned at Husbands Bosworth. Airworthy as ‘T21’.
MH008 T.21B Sedburgh TX1 WB981 Built by Martin Hearn Ltd in 1949. Awaiting collection 30/12/49. Allocated to 42GS, Bramcote, later Cosford, 3/01/50. Declared cat 4R following accident, 4/09/50. To Slingsby for repair 20/09/50. Allocated to 9MU RAF Cosford. 13/12/50. 125GS, Langley, 6/06/51. Cat 4R after flying accident, 20/06/52. To Slingsby 3/07/52. Gliding Instructors School RAF Detling 20/10/52. Declared cat 4R after accident 8/02/53. Returned to Slingsby 20/03/53. Allocated to 9MU RAF Cosford 25/05/53. Transferred to 10 MU, RAF Brize Norton, 2/01/56. to Gliding Instructors School Hawkinge 19/03/58. 1GC Swnton Morley 8/12/61. 611GS Swanton Morley 8/08/77. 635GS Burtonwood 24/04/78. 631 GS, RAF Sealand. Sold 7/01/86 to MJ Lake, Pulborough. With Ginger Lake at Aston Down 08/86. To BGA C of A 21/8/86 as BGA3238. D Shrimpton, Oakhill. A P Stacey, Keevil Airfield 2002. Re-covered and repainted into ATC Silver with Yellow bands as WB981, 3/04.
MH009 T.21B Sedburgh TX1 WB982 Built by Martin Hearn Ltd in 1950. Delivered 13/10/50. Written off 31/01/54. SOC 16/2/54 as Cat 5( c )
MH010 T.21B Sedburgh TX1 WB983 Built by Martin Hearn Ltd in 1950. Delivered 27/1/50. 633 GS, RAF Cosford. ACCGS, RAF Syerston. 634 VGS, RAF St Athan. Sold 20/08/85. To To BGA C of A 28/6/87 as BGA3175. Registration cancelled.
MH011 T.21B Sedburgh TX1 WB984 Built by Martin Hearn Ltd in 1950. Delivered 9/2/50. Written off 23/03/56.
MH012 T.21B Sedburgh TX1 WB985 Built by Martin Hearn Ltd in 1950. Delivered 20/2/50. 105 GS, Cambridge. 611 VGS, Swanton Morley. 645 GS, RAF Catterick 1960 – 1983. Sold 07/85 and exported to Sweden as SE-SMA. Re-registered in Denmark as OY-XSI. To BGA5229/KNN. Allocated UK CAA Registreation G-CKNN, 21/4/06. Airworthy at Donsdorf, Germany, 2007.
MH013 T.21B Sedburgh TX1 WB986 Built by Martin Hearn Ltd in 1950. Delivered 21/2/50. 617 GS, RAF Hendon 31/3/68. 617 GS, RAF Bovingdon, Manston, 1977. Sold 9/09/86. To BGA3265. Stored at East Kirby.
MH014 T.21B Sedburgh TX1 WB987 Built by Martin Hearn Ltd in 1950. Delivered 28/2/50. Fuselage SSK/FF/1161. 611 VGS, Swanton Morley. 662 GS, Arbroath. Stored 4 MGSP, RAF Dishforth, 7/86. CGS Store, RAF Syerston, 12/87. Sold 22/10/87 to Axxes Aviation. To BGA3338. Exported to Norway as LN-GHR.
MH015 T.21B Sedburgh TX1 WB988 RAF. Contract No KF/2R/04/C.B.25 a. Delivered 7/3/50. Written off 29/4/64. To RAFGSA 339, Windrushers GC RAF Bicester 1964..Wrekin GC RAFGSA, RAF Cosford, 1966 – 1982. To Crusaders GC Kings Field Cyprus, as NEJSGSA 10. Written off.
MH016 T.21B Sedburgh TX1 WB989 Built by Martin Hearn Ltd in 1950. Delivered 21/3/50. 616 VGS, RAF Henlow. 635 GS Burtonwood.631 GS, RAF Sealand, 8/72. Sold 13/12/85 to Leeds University G C. To BGA C of A 20/1/86 as BGA3195. Airworthy in Germany at Aschaffenburgh.
MH017 T.21B Sedburgh TX1 WB990 Built by Martin Hearn Ltd in 1950. Delivered 30/3/50. 89 GS, 622 GS, Christchurch. 622 GS, Old Sarum. 1963. Sold 16/04/85. To BGA C of A 12/5/85 as BGA3148. Privately owned Lasham. Airworthy.
MH018 T.21B Sedburgh TX1 WB991 Built by Martin Hearn Ltd in 1950. Delivered 5/4/50. 622 GS Christchurch 1963. 621 VGS, Weston Super Mare. CGS Store, RAF Syerston, 5/86. Sold 9/09/86. To BGA C of A 17/2/87 as BGA3264. Privately owned East Kirby, fitted with pylon mounted Robin EC-34PM engine. Airworthy.
MH019 T.21B Sedburgh TX1 WB993 Built by Martin Hearn Ltd in 1950. Delivered 2/6/50. 622 GS Christchurch 1963. 635 GS Burtonwood. 631 VGS, RAF Sealand. Sold 7/01/86. To BGA C of A 28/6/87 as BGA3225. To J Van Os, EHHO. Active at Asperden / Goch, Germany, 4/05.
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