Slingsby Type 21 production list

T.21P - Single prototype, flown in 1944. Wingspan 50ft.
T.21A - 54ft span, fuselage increased in depth (one only, first flown 1947).
T.21B - Main production version, first flown in 1947 (initially known as T.28). Minor differences from T.21A.
RAF versions for Air Cadet training designated as Sedbergh TX.1.
19 built for the RAF in 1950 by Martin Hearn Ltd, identified in the list below as MH001 to MH019, although the exact format of the Works Numbers (if any) is uncertain.
T.21C - increased span wing, mounted directly on the fuselage rather than on a pylon. Enclosed cockpit. One only, flown in Oct.1957. Also designated T.46.

Ser No.	Reg 1	Reg 2	Reg 3	Reg 4	Reg 5 / Remarks
502	-	G-ALSN	BGA 675	RNGSA	T.21P
506	-	BGA 683	RNGSA VL23	BGA 683	T.21A; crashed, Ringmer 12.8.86
536	-	G-ALKS	BGA 646	PH-200	T.21B. Airworthy, Salland, Netherlands
538	BGA 570	G-ALNJ	BGA 570	AGA 20	BGA 570; Crashed on landing, Ridgewell 12.6.80
539	BGA 572	VX275	8884M		RAF Museum, stored at Stafford
540	BGA 573	G-ALJU	BGA 573	Zimbabwe
541	BGA 575	WB484			W/o 13.5.52
542	BGA 576	SE-SHF	BGA 965		Crashed, Rearsby 10.3.62
543	BGA 601	G-ALKX	BGA 601		Under restoration, Doncaster "ARM"
549	BGA 614	G-ALLT	BGA 614	RNGSA	BGA 614 "Snoopy" Airworthy at Talgarth
550	BGA 616				Destroyed in hangar fire, Nympsfield 7.5.73
551	BGA 619	CS-PAI			Museo do Ar, displayed at Pavilhão de Conhecimento - Ciência Viva, Lisbon
552	BGA 631	G-ALKF	BGA 631		"Daisy" Crashed after collision with K 8B, Lasham 23.5.70
553	BGA 636	G-ALLG	BGA 636		Crashed, Farforth, Lincs 16.11.91
554	BGA 637	G-ALLH	WB919	BGA 3174	Cancelled
555	SE-SHI	OH-KSC			Crashed, Kauhava 5.5.63
556	SE-SHK	BGA 1014			Museum of Flight, East Fortune (stored)
557	SE-SHL	OH-KSA	BGA 1215		Airworthy at Spitzerberg, Austria - "BTE"
558	SE-SHM	BGA 969			Destroyed in a workshop fire, Spalding, Lincs 21.3.99
559	WB920	BGA 3221	PH-1511		Active at Teuge, Netherlands
560	WB921				Hit power cables on approach, Messingham, near Kirton in Lindsey 1.6.60
585	WB922	BGA 4366			Active at Nympsfield as WB922
586	WB923	BGA 3292	SP-KING		Airworthy in Pila, Poland
587	WB924	BGA 3901			"WB924" airworthy at Dunstable
588	WB925	RAFGSA 212	RAFGSA R92	BGA 2964	Airworthy with Booker GC
589	WB926	BGA 3520	HB-1367	PH-199	Airworthy, Teuge, Netherlands
590	WB927				W/o 30.12.83
591	WB928				W/o 11.7.63
592	WB929				Destroyed in hangar fire, Kenley 23.10.78
593	WB930				W/o 13.5.51
594	WB931				W/o 11.3.50
595	WB932	021 (Zimbabwe)	VH-XJN	Zimbabwe ?
596	WB933	BGA 732			"Firefly" Dived into the ground at Dunstable 30.9.60
601	WB934	BGA 3385			Airworthy at Rhön Oldtimer Segelflug Club, Wasserkuppe, Germany
602	WB935	BGA 4110			Airworthy at Hahnweide, Germany as WB935 [photo]
603	WB936				Crashed, Woodford 19.3.50
604	WB937	PH-811			Damaged at Bourges, France 13.8.89; Under restoration in Germany
605	WB938	ZS-GSO			At Magalies Gliding Club, South Africa
606	WB939	BGA 3220			Cancelled
607	WB940				Destroyed in hangar fire, Kenley 23.10.78
608	WB941	BGA 3219	N941WB		Southwest Soaring Museum, Moriarty, NM
609	WB942	SE-SMD	LY-SMD		Flying in Lithuania
610	WB943	BGA 2941	HS-SGY		Airworthy at Chiangmai, Thailand
611	WB944	BGA 3160			Airworthy at Bicester as WB944
612	WB945	RAFGSA 242 ?			W/o, Halton 26.7.58
613	WB946	PH-799			Malden, Netherlands "WB946"
614	WB947	BGA 3230	N9048U		Luke Closson, USA
615	WB948	RAFGSA 360	BGA 1521		Crashed, Ringstone Edge, Yorks. 6.4.69
616	WB955	BGA 649	RAFGSA 112
617	WB956				Crashed on field landing, Detling 15.4.55
618	WB957	RAFGSA	BGA 662	RAFGSA 120	BGA 2720 - Airworthy with syndicate at Parham as "WJ306"
619	WB958	BGA 3243			Under restoration, Bellarena
620	WB959	BGA 2975			Dartmoor GC, Brentor - stored “EUZ”
621	WB960	SE-SMK			Ållebergs Segelflygmuseum - airworthy
622	WB961	BGA 4856			Airworthy at Eudenbach, Germany as WB961
623	WB962	RAFGGA	BGA 3836		Airworthy at Kleve/Wisseler Dünen, Germany as WB962
624	WB963	ZS-GSP			Airworthy, Worcester, Western Cape, South Africa
625	WB964				Destroyed in fire at Slingsby factory, Kirbymoorside 18.11.68
626	WB965				W/o 5.4.54
627	WB966	RAFGSA 314 ?
628	WB967	RAFGSA 338	BGA 1352		Airworthy at Chauvigny, France as "BYY"
629	WB968				W/o 9.7.53
630	WB969	RAFGSA 247	BGA 2036		South Yorkshire Aircraft Museum, Doncaster
631	WB970				Crashed, Halton 8.8.71
632	WB971	BGA 3324			Stored, Eaglescott
633	WB972	N9049V
634	WB973	BGA 4135			Airworthy in Aukrug, Germany
635	SE-SHT				W/o in forced landing, Arboga 22.6.58
636	BGA 673	RNGSA LS31	BGA 673		Flies from Lee-on-Solent as "N21"
637	India
638	India	VT-GAN			Currently registered; status unknown
639	BGA 668				Built by Aero & Engineering. Damaged, Feshiebridge 16.7.85; used for spares at Upwood
643	BGA 666				"Bluebell" Flies at Cambridge GC, Gransden Lodge
647	Pakistan	AP-ANT
648	Pakistan
649	Pakistan
650	Pakistan	AP-ANB
651	Pakistan	AP-ANF	AP-AVO
652	Pakistan
653	BGA 665				Omaka, New Zealand
654	WJ306	BGA 3240			Flies at Oxford GC, Weston-on-the-Green - as WJ306
660	WB992	BGA 3492	VH-GCV	VH-XWB	Airworthy with syndicate at Bathurst, New South Wales "WB992"
661	SE-SHY	OH-KSB			Sold to UK in 1962; to RAFGSA 404 ?
662	India	DGC-002	VT-GCG		Delhi Gliding Club (grounded)
663	WG496	BGA 3242	BGA 3309	SE-SME	Eskilstuna Flygklubb - airworthy
664	WG497	N90492			Luke Closson, USA
665	WG498	BGA 3245			Syndicate at Cotswold GC, Aston Down - flies as WG498
666	WG499	NEJSGSA 4	RAFGSA R92	BGA 4707	Museum in North Nicosia, Cyprus as R92
667	ZS-GCA				Tsumeb Flying Club, Namibia
730	SU-101
731	SU-102
743	PH-199	BGA 1971	N7013A		Jeff Byard, Tehachapi, CA
744	PH-200				Burnt in hangar fire, Salland 24.1.79
745	PH-201				Cancelled
746	(PH-202)	BGA 697	Malaya		Destroyed on the ground by a truck, Ipoh 29.5.59
747	India
748	India
815	India	DGC-001
816	India
817	India
927	BGA 700				Dived into the ground on approach, Weston-on-the-Green 9.4.67
940	BGA 716				blown over, Firle 29.1.72
950	BGA 711	C-GAWK			Airworthy, York Soaring, Ontario, Canada
951	BGA 721				Cancelled
958	India
959	India
960	India
961	India
962	India
965 to 991	India				27 aircraft for India
1015	BGA 753				Crashed on approach, Farnborough 7.6.70
1021	India	GCP-010	VT-GAM		Cancelled
1022	India	VT-GBZ			Wrecked
1023	India	VT-GAB			Currently registered; status unknown
1024	India
1025	India
1026	India
1057	BGA 737	Jordan ?
1059	BGA 757	AP-AJR
1067	BGA 758				Crashed, Challock 16.5.66
1074	BGA 775	Jordan
1080	BGA 765				Fuselage at Wattisham for use in restoration of BGA 3324
1086	BGA 1030	PH-110			T.21C (T.46) - Airworthy, Germany
1088	BGA 781				Destroyed in hangar by storm, Feshiebridge 16.1.70
1096	BGA 782				Active at Langenlebarn, Austria as "782"
1098	BGA 786	RAFGSA	BGA 786		Crashed on launch, Dishforth 20.4.84
1123	Pakistan	AP-ANJ
1124	Pakistan	AP-ANT
1129	BGA 829	RAFGSA 236	BGA 829		Crashed, Usk 9.8.72
1130	BGA 842	RAFGSA 237	BGA 2900		Llandegla
1131	BGA 846	RAFGSA 238	BGA 2725	Zimbabwe
1143	Pakistan	AP-AOE
1148	BGA 869				At Delmenhorst, Germany for restoration
1149	BGA 893				Built by B.E.A. GC. Damaged, Woodford 24.2.69
1150	XN146	BGA 1110			Crashed on failed launch, Feshiebridge 11.9.75
1151	XN147	RAFGSA 369	BGA 1482		Stored at North Coates - motorised
1152	XN148	BGA 3287			Airworthy as FJA, Lachen-Speyerdorf, Germany
1153	XN149	RAFGSA
1154	XN150	RAFGGA 550	BGA 3774		Blown over 30.6.07; For restoration, Nympsfield
1155	XN151	BGA 3235			Flying at Aalen-Elchingen, Germany - "FFW"
1156	XN152				W/o, Halesland 12.7.60
1157	XN153	RAFGSA 313	BGA 2024		Stored, Orbigny, France
1158	XN154	RAFGSA 333	BGA 1465	EI-157	At Bellarena, Northern Ireland
1159	XN155	BGA 4833			Airworthy, Greiling/Bad Tölz, Germany
1160	XN156	BGA 3250			Airworthy, Portmoak as FGM
1161	XN157	BGA 3255			Flying at the Long Mynd "XN157"
1162	XN183	RAFGSA 318	BGA 1354		Active at Nastaetten, Germany as "BZA"
1163	XN184	RAFGSA 339	NEJSGSA 10		Blown over, Kingsfield, Cyprus 12.84
1164	XN185	8942M	BGA 4077		Stored at Kirton in Lindsey as XN185
1165	XN186	BGA 3905			Airworthy at Watton - HFG
1166	XN187	BGA 3903			Halton - Airworthy as XN187
1167	XN188	BGA 1588			Blown over, Enstone 23.4.77; Stored, Wolverhampton
1168	XN189	BGA 1144			For restoration at Chambley, France
1200	RNGSA 2-07	BGA 1619			Airworthy as "CLC", Rivar Hill
1205	BGA 875	AGA 7	BGA 875	PH-111	Venlo, Netherlands
1207	BGA 878	RAFGSA 251	BGA 1705	PH-911	Airworthy, Achmer, Germany
1208	BGA 882	RAFGSA 250	BGA 882		Cancelled
1214	BGA 884	PH-1045			Airworthy, Midden Zeeland, Netherlands
1216	BGA 886
1219	RNGSA
1240	BGA 926	RAFGSA 260	BGA 926
1241	BGA 928	RAFGSA 261	BGA 928		w/o, Sturgate 21.2.70
1250	BGA 943	RAFGSA 287	RAFGGA 501	BGA 2010	In France for restoration
1251	BGA 945	RAFGSA 286	RAFGGA 515	BGA 945	Airworthy at Wormingford "BFY"
1274	BGA 948	RAFGSA 282	BGA 948		At Eudenbach, Germany (motorised)
1294	BGA 953				Stored at Twente, Netherlands
1297	BGA 960	RAFGSA 283	BGA 960	VH-GUC	Airworthy at Tocumwal, Australia
1302	BGA 982	Malaya
1307	BGA 989	RAFGSA	NEJSGSA
1309	BGA 1000				Active with group at Wormingford as BJF
1312	BGA 1005	RAFGSA 403	Singapore		Beyond repair after storage
1317	BGA 1010	Jordan
1351	BGA 1081				With Blenheim GC, Jamaica - "BMQ"
1354	BGA 1084	9G-ABC			Wrecked .66
1355	BGA 1085	9G-ABD	BGA 1085		Damaged 22.2.97; preserved at Old Sarum "Spruce Goose"
1379	BGA 1113	Kenya
1426	ZS-GEG				Cancelled
1432	BGA 1199	RAFGSA	NEJSGSA 5		Cancelled
1510	BGA 1315				Blown over, Falgunzeon 18.5.80. On rebuild
MH001	WB974	BGA 3423	LN-GAO	OH-914X	BGA 3423; G-DFPS - Built by Martin Hearn Ltd. Airworthy at Brandenburg-Mühlenfeld, Germany
MH002	WB975	BGA 3288			Airworthy, Gyöngyös, Hungary as WB975
MH003	WB976	BGA 3297			Crashed after elevator linkage failed, Crowland 1.7.95
MH004	WB977				W/o, Spitalgate 19.5.57
MH005	WB978	BGA 3189	F-AYDY		Airworthy, France
MH006	WB979	SE-SMN	F-AZSY		Airworthy with APPARAT, La Montagne Noire, France
MH007	WB980	BGA 3290			Active at Husbands Bosworth as "T21"
MH008	WB981	BGA 3238			At Eaglescott as WB981
MH009	WB982				W/o 31.1.54
MH010	WB983	BGA 3175			Cancelled
MH011	WB984				W/o 23.3.56
MH012	WB985	SE-SMA	OY-XSI	G-CKNN	BGA 5230; N985WB, USA
MH013	WB986	BGA 3265			For restoration
MH014	WB987	BGA 3338	LN-GHR		Petter Lindberg, Norway
MH015	WB988	BGA 4877			Airworthy, Santo Tomé del Puerto, Spain
MH016	WB989	BGA 3195			Airworthy at Aschaffenburg, Germany
MH017	WB990	BGA 3148			Active with Lasham syndicate as "993"
MH018	WB991	BGA 3264			Airworthy at East Kirkby - Robin EC-34PM engine above the wing
MH019	WB993	BGA 3225	PH-201		Active, Goch-Asperden, Germany
1	BGA 856				Built at Leighton Park School, Reading. Blown over at Haddenham 14.6.80; to Poland for restoration
MGC.001/59	BGA 900				Built by Midland GC; Crashed, Currock Hill .73
JHB.2	BGA 1218				Built by John Hulme. Flies from Shenington as "BTH" - with wings from WB981
JHB.4	BGA 1388				Built by John Hulme. Destroyed in hangar fire, Nympsfield 7.5.73

Serial numbers for the following registrations are unknown:

Ser No.	Reg 1	Reg 2	Reg 3	Reg 4	Reg 5 / Remarks
	RNGSA 2-09	BGA 1548			Damaged, Feshiebridge 19.5.73
"1006"	BGA 1782				Cancelled
SSK/FF1280	RAFGSA 404	BGA 1965			"DAR" Airworthy at Upwood
	BGA 3263
	BGA 3270
	G-1008				Indian Air Force
	G-1643				Indian Air Force
	Kenya				Built from kit. W/o, Nakuru 15.3.59
	RAFGSA 126
	RAFGSA 216				Sold in 1964
	RAFGSA 236
	RAFGSA 242	BGA 1254			Halton - "WB945" "Lucy"
	RAFGSA 245				Destroyed in hangar fire, Benson 13.11.70
	RAFGSA 314	BGA 2767			Stored at Midden-Zeeland, Netherlands - "ELH"
	RAFGSA 351
	RAFGSA 388
	RAFGSA 389
	RNGSA AR69
	RNGSA CU18
	RNGSA MA45
	RNGSA MA46

Registration prefixes:

AP-	Pakistan
C-	Canada
CS-	Portugal
EI-	Ireland
G-	United Kingdom
HB-	Switzerland
LN-	Norway
N	United States
OH-	Finland
OY-	Denmark
PH-	Netherlands
SE-	Sweden
SU-	Egypt
VH-	Australia
VT-	India
ZS-	South Africa
9G-	Ghana

Other abbreviations:

AGA	Army Gliding Association (U.K.)
BGA	British Gliding Association
DGC	Delhi Gliding Centre (India)
GCP	Gliding Centre Poona (India)
NEJSGSA	Near East Joint Services Gliding & Soaring Association (Cyprus)
RAFGGA	Royal Air Force Germany Gliding Association
RAFGSA	Royal Air Force Gliding & Soaring Association
RNGSA	Royal Navy Gliding & Soaring Association
VX/WB/WG/WJ/XN	Prefixes used by RAF Sedbergh TX.1

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