| Unit | Dates | Aircraft | Base | Notes | 
  | 226 OCU | Aug 46–Aug 49 Sep 49–Jun 55
 Jun 63–Sep 74
 Oct 74–Sep 91
 | Oxford I, Beaufighter X Hornet F.1
 Mosquito III/TT.35
 Tiger Moth II
 Vampire F.1/FB.5/T.11
 Meteor F.3/F.4/T.7/F.8/FR.9
 Tempest II
 Martinet I
 Spitfire XIV/XVI/XVIII/XIX/F.22
 Javelin T.3
 Lightning F.1/F.1A/F.3/T.4/T.5
 Jaguar GR.1/T.2
 | RAF Molesworth RAF Bentwaters
 RAF Driffield
 RAF Stradishall
 RAF Middleton St. George
 RAF Coltishall
 RAF Lossiemouth
 | Formed at Molesworth by re-designating 1335 (Meteor) CU. Disbanded at Driffield to become 203 AFS. Re-formed at Stradishall by renaming 203 AFS. Re-formed at Middleton St. George by merging the Lightning Conversion Squadron RAF and the Fighter Command Instrument Rating Squadron RAF. Disbanded at Coltishall. Immediately re-formed at Lossiemouth by re-designating the Jaguar Operational Conversion Unit RAF. Disbanded at Lossiemouth to become 16 (Reserve) Sqn
 | 
  | 227 OCU 227 (AOP) CU
 | May 47–Dec 47 Dec 47–May 50
 | Tiger Moth II Oxford I
 Auster V
 Auster VI
 Auster T.7
 Auster A.2/45
 Harvard IIB
 | RAF Andover RAF Middle Wallop
 | Formed by re-designation of No. 43 OTU Became the Air Observation Post School RAF.
 | 
  | 228 OCU | May 47–Sep 61 May 65–Dec 66
 Aug 68–Jul 92
 | Martinet I Master II
 Oxford I
 Tiger Moth II
 Brigand B.1/T.4/T.5
 Tempest V
 Buckmaster T.1
 Wellington XVIII
 Mosquito III/VI/NF.30/TT.35/NF.36
 Balliol T.2
 Valetta C.1/T.3/T.4
 Prentice T.1
 Vampire T.11
 Meteor F.4/T.7/NF.11/NF.12/NF.14
 Anson XIX
 Chipmunk T.10
 Javelin T.3/FAW.5/FAW.7/FAW.9
 Canberra T.4/T.11
 Phantom FGR.2
 Jet Provost T.4
 | RAF Leeming RAF Leuchars
 RAF Coningsby
 | Formed by merging No. 13 OTU and No. 54 OTU Became 64 (R) Sqn
 | 
  | 229 OCU | Dec 50–Sep 74 Nov 84–Jul 92
 | Vampire FB.5/T.11 Meteor T.7/F.8/TT.8
 Hunter F.1/F.4/F.6/T.7/FGA.9/FR.10
 Tempest V
 Beaufighter X
 Oxford I/II
 Mosquito III/TT.35
 Martinet I
 Anson T.21/T.22
 Sabre F.2/F.4
 Chipmunk T.10
 Jet Provost T.3A
 Tornado F.2(T)/F.3
 | RAF Leuchars RAF Chivenor
 RAF Brawdy
 RAF Coningsby
 | Formed from 'B' and 'D' Flights of 226 OCU. Reformed 1957 at Chivenor
 Disbanded 2 September 1974 at Chivenor when relocated to Brawdy to become the Tactical Weapons Unit RAF
 Reformed at Coningsby in 1984 and designated 65 (Shadow) Squadron from 31 December 1986
 Became 56 (R) Sqn.
 | 
  | 230 OCU | Mar 47–Oct 52 Aug 53–Feb 55
 May 56–Aug 81
 | Lancaster I/III Lincoln B.2
 Mosquito III/B.35/NF.36
 Tiger Moth
 Anson XIX
 Vulcan B.1/B.2
 Hastings T.5
 Canberra T.4
 | RAF Lindholme RAF Scampton
 RAF Upwood
 RAF Waddington
 RAF Finningley
 RAF Scampton
 | Formed by re-designting No. 1653 Heavy Conversion Unit RAF Disbanded 15 October 1952 to become the Reserve Training Squadron RAF
 Became the Lincoln Conversion Flight RAF at Upwood 1 February 1955.
 | 
  | 231 OCU | Mar 47–Dec 49 Dec 51–Dec 90
 May 1991–Apr 93
 | Lancaster I/III Anson XII/XIX/T.22
 Mosquito III/VI/XVI/PR.34/PR.34A/B.35
 Chipmunk T.10
 Meteor T.7/PR.10
 Canberra B.2/PR.3/T.4
 | RAF Coningsby RAF Waddington
 RAF Bassingbourn
 RAF Cottesmore
 RAF Marham
 RAF Wyton
 | Formed by re-designating No. 16 Operational Training Unit RAF re-formed at Bassingbourn by re-designation of 237 OCU
 Disbanded at Wyton, 15 December 1990, to become the Canberra Standardisation and Training Flight
 Re-formed at Wyton 13 May 1990 from the Canberra Standardisation and Training Flight
 | 
  | 232 OCU | Feb 55–Jun 65 Feb 70–Apr 86
 | Valiant B.1 Victor B.1/B.1A/B.2/SR.2/K.2
 Canberra T.4
 | RAF Gaydon RAF Marham
 | At Gaydon, 30 June 1965, the Victor element became the Tanker Training Flight RAF Re-formed at Marham 6 February 1970 by amalgamating the Victor (B.2) Training Flight RAF and the Victor Training Unit RAF.
 | 
  | 233 OCU | Sep 52–Sep 57 Oct 70–Sep 92
 | Vampire FB.5/FB.9/T.11 Balliol T.2
 Meteor T.7/F.8
 Oxford I
 Tiger Moth II
 Mosquito III/PR.34A/TT.35
 Tempest V
 Chipmunk T.10
 Hunter F.1
 Harrier GR.1/GR.1A/GR.3/GR.3A/T.2/T.4/T.4A/GR.5
 | RAF Pembrey[7] RAF Wittering
 | Became 20 (R) Sqn | 
  | 235 OCU | Jul 47–Oct 53 | Sunderland V Short Seaford
 | RAF Calshot | Became the Flying Boat Training Squadron RAF | 
  | 236 OCU | Jul 47–Sep 56 Jul 70–Sep 92
 | Lancaster III Oxford I/II
 Beaufighter X
 Shackleton GR.1/MR.1A
 Neptune MR.1
 Martinet I
 Tiger Moth II
 Spitfire XVI
 Vampire FB.5
 Anson XI/XIX
 Mosquito TT.35
 Brigand T.5
 Buckmaster T.1
 Nimrod MR1 & MR2
 | RAF Kinloss RAF St Mawgan
 | Formed by re-designating No. 6 OTU | 
  | 237 OCU | Jul 47–Dec 51 Oct 56–Jan 58
 Mar 71–Oct 91
 | Oxford I Mosquito III/PR.34/PR.34A
 Spitfire XVI/XIX
 Harvard IIB
 Meteor T.7/PR.10
 Canberra PR.3/T.4
 Hunter F.6/T.7/T.7A/T.7B/T.8C
 Buccaneer S.2A/S.2B
 | RAF Benson RAF Bassingbourn
 RAF Wyton
 RAF Honington
 RAF Lossiemouth
 | Formed by re-designating No. 8 OTU Became 231 OCU at Bassingbourn.
 Re-formed at Wyton, 1956, by re-designating 'C' Squadron of 231 OCU.
 Re-absorbed by 231 OCU January 1958.
 | 
  | 238 OCU | 1 Jun 52–Mar 58 | Buckmaster T.1 Brigand T.4/T.5
 Mosquito TT.35
 Balliol T.2
 Meteor NF.12/NF.14
 Valetta C.1/T.3
 | RAF Colerne RAF North Luffenham
 | Formed by re-designating the Airborne Interception School RAF | 
  | 240 OCU | Jan 48–Apr 51 Dec 71–Oct 93
 | Anson I/X/XII/XIX Dakota IV
 Hastings MET.1
 Valetta C.1
 Wessex HC.2
 Puma HC.1
 Chinook HC.1
 | RAF North Luffenham RAF Odiham
 | Formed by merging 1333 (TS)CU with 1382 (T)CU | 
  | 241 OCU | Jan 48–Apr 51 Jul 70–Oct 93
 | York C.1 Halifax IX
 Hastings C.1
 Valetta C.1
 Tiger Moth II
 Anson XI/XII
 Brittania C.1/C.2
 Andover C.1
 Belfast C.1
 VC10 C.1
 Tristar C.1
 BAe 146
 | RAF Dishforth RAF Brize Norton
 | Formed by re-designating No. 1332 Heavy Transport Conversion Unit RAF Became No. 55 (Reserve) Squadron RAF
 | 
  | 242 OCU | Apr 51–Jul 92 | Valetta C.1 Hastings C.1/MET.1/C.1A
 Beverley C.1
 Argosy C.1
 Andover C.1
 Hercules C.1/C.1K/C.1P/C.3
 Tiger Moth II
 Anson XII
 Chipmunk T.10
 | RAF Dishforth RAF Thorney Island
 RAF Lyneham
 | Became 57 (R) Sqn | 
  | 1330 CU | Jun 44–Mar 46 | Harvard IIA Baltimore IV/V
 Vengeance IV
 Hudson IIIA
 Expeditor I
 Marauder II/III
 Ventura V
 Hellcat II
 Beaufighter X
 Spitfire Vb
 Mustang IVA
 Anson I
 Dakota I/III
 Douglas DC-2
 Mosquito III/IV
 Oxford I
 | RAF Bilbeis | No. 1 (Middle East) Check and Conversion Unit RAF re-designated. | 
  | 1331 CU 1331 HTCU
 | Sep 44–Jan 46 Dec 46–Jan 48
 | Harvard IIB Vengeance IA/II/IV
 Beaufighter VI/X
 Spitfire VIII
 Mustang IV
 Mosquito III
 Oxford I
 Blenheim V
 Thunderbolt I/II
 Hurricane IIC
 Wellington XVI
 Liberator III/VI
 | RAF Mauripur RAF Risalpur
 RAF Syerston
 | Formed by re-designating Check and Conversion Flight RAF. | 
  | 1332 (T)HCU 1332 HTCU
 | Sep 44–May 47 May 47–Jan 48
 | Liberator III/V /VI/VII/IX York C.1
 Stirling III
 Halifax VII/IX
 Skymaster C.1
 Oxford I
 | RAF Longtown RAF Dishforth
 | Became 241 OCU. | 
  | 1333 (TS)CU 1333 TSCU
 | Mar 45–Jul 46 Jul 46–Jan 48
 | Dakota III/IV Horsa I/II
 Halifax VII/IX
 Oxford II
 Miles Magister
 Tiger Moth
 Proctor IV
 Auster III
 | RAF Leicester East RAF North Luffenham
 | Formed by re-designating No. 107 OTU Merged with 1382 (T)CU to become 240 OCU.
 | 
  | 1334 (TS)CU | Apr 45–Mar 45 | Dakota III/IV | RAF Gujrat RAF Baroda
 |  | 
  | 1335 (M)CU | Mar 45–Aug 46 | Meteor F.1/F.3 Oxford II
 Martinet I
 | RAF Colerne RAF Molesworth
 | Became 226 OCU | 
  | 1336 (TS)CU 1336 TCU
 | Jun 45–Mar 46 | Dakota III | RAF Welford |  | 
  | 1380 (TS)CU 1380 TCU
 | Aug 45–Jan 46 | Wellington X Anson I
 Proctor II
 | RAF Tilstock | Formed by re-designating No. 81 OTU | 
  | 1381 (T)CU | Aug 45–Feb 48 | Dakota III/IV Vickers Wellington Mk. X
 Miles Magister
 Tiger Moth II
 Oxford I
 | RAF Bramcote RAF Dishforth
 | Formed by re-designating No. 105 (Transport) Operational Training Unit at Bramcote.[9] | 
  | 1382 (T)CU | Aug 45–Jan 48 | Oxford I Miles Magister
 Dakota III/IV
 | RAF Wymeswold RAF North Luffenham
 | Formed by re-designating No. 108 OTU Merged with 1330 (TS)CU to form 240 OCU.
 | 
  | 1383 (T)CU | Aug 45–Aug 46 | Dakota III Oxford II
 Halifax VII
 | RAF Crosby-on-Eden | Formed by re-designating No. 109 OTU | 
  | 1384 (HT)CU | Nov 45–Jun 46 | Dakota I Oxford I
 York C.1
 | RAF Ossington RAF Wethersfield
 | Formed by re-designating No. 6 Lancaster Finishing School RAF | 
  | 1385 (HTS)CU | Apr 46–Jun 46 | Stirling V Halifax VII
 Horsa II
 Oxford I
 | RAF Wethersfield | Absorbed by 1333 (TS)CU | 
  | 1584 (HB)CU | Nov 43–Feb 44 | Liberator III | RAF Kolar RAF Salbani
 | Formed by re-designating No. 1584 (Heavy Bomber Conversion) Flight RAF. Became 1673 HCU.
 | 
  | 1651 CU 1651 HCU
 | Jan 42–July 44 May 44–Mar 45
 Mar 45–Jul 45
 | Stirling I/III Lancaster I/III
 Oxford I
 Spitfire Vb
 Tiger Moth II
 Beaufighter X
 Halifax II
 | RAF Waterbeach RAF Wratting Common
 RAF Woolfox Lodge
 | During 1942 it flew 49 operational sorties for RAF Bomber Command with a loss of five aircraft. Formed by merging No. 26 Conversion Flight RAF and No. 106 Conversion Flight RAF.
 Absorbed No. 15 Squadron Conversion Flight RAF and No. 24 Squadron Conversion Flight RAF.
 | 
  | 1652 CU 1652 HCU
 | Jan 42–Jun 45 | Halifax I/II/III/V Spitfire Vb
 Hurricane IIC
 Spitfire Vb
 Hurricane IIC/IV
 | RAF Marston Moor RAF Bentwaters
 | During 1942 it flew 42 operational sorties for RAF Bomber Command with a loss of three aircraft. Formed by merging No. 28 Conversion Flight RAF and No. 109 Conversion Flight RAF.
 Absorbed  No. 35 Squadron Conversion Flight RAF
 | 
  | 1653 CU 1653 HCU
 | Jan 42–Oct 42 Nov 43–Nov 46
 | Liberator II Stirling I/III
 Lancaster I/III
 Blenheim IV
 Ventura I
 Mosquito XIX
 Hurricane IIC
 Spitfire Vb
 Beaufighter VI
 | RAF Polebrook RAF Burn
 RAF Chedburgh
 RAF Lindholme
 RAF North Luffenham
 | Formed by re-designating No. 108 Conversion Flight RAF Became No. 230 Operational Conversion Unit RAF in March 1947.
 | 
  | 1654 CU 1654 HCU
 | May 42–Jul 42 Jul 42–Sep 45
 | Manchester I Lancaster I
 Halifax II/V
 Stirling III
 Oxford I
 Hurricane IIC
 Spitfire Vb
 | RAF Swinderby RAF Wigsley
 | During 1942 it flew 12 operational sorties with a loss of two aircraft. | 
  | 1655 MCU | Aug 42–May 43 | Mosquito III/IV/XVI/B.20/B.25 Blenheim IV
 Oxford I
 | RAF Horsham St. Faith RAF Upper Heyford
 RAF Marham
 | Became No. 1655 Mosquito Training Unit RAF at RAF Finmere Eventually absorbed by No. 16 Operational Training Unit RAF
 | 
  | 1656 HCU | Oct 42–Nov 45 | Lancaster I/III Halifax II/V
 Manchester I
 Spitfire IIa/Vb
 Hurricane IIC
 Tiger Moth II
 | RAF Lindholme 
 | Formed by merging 103 and 460 Squadron Conversion Fights. | 
  | 1657 HCU | Oct 42–Dec 44 | Stirling I/III/IV Lancaster I/II
 Tomahawk IIB
 Oxford II
 Hurricane IIC
 | RAF Stradishall | Formed by merging 7, 101 and 149 Squadron Conversion Fights. | 
  | 1658 HCU | Oct 42–Apr 45 | Halifax I/II/III Oxford II
 Hurricane IIC
 | RAF Riccall | Formed by merging 10, 76 and 78 Squadron Conversion Fights. | 
  | 1659 HCU | Oct 42–Mar 43 Mar 43–Sep 45
 | Halifax I/II/III Lancaster I/III
 Oxford II
 Spitfire IIa/Vb
 Hurricane IIC
 Tiger Moth
 | RAF Leeming RAF Topcliffe
 | Formed by merging 405 and 408 Squadron Conversion Fights. Trained Canadian aircrew.
 | 
  | 1660 HCU | Oct 42–Nov 46 | Lancaster I/II/III Halifax II
 Manchester I
 Mosquito XIX
 Stirling I/III
 Oxford I
 Spitfire Vc
 Hurricane IIC
 Lysander I
 de Havilland Puss Moth
 | RAF Swinderby | Formed by merging 61, 97, 106 and 7 Squadron Conversion Fights. Absorbed by No. 1653 Heavy Conversion Unit.
 | 
  | 1661 HCU | Nov 42–Aug 45 | Lancaster I/II Halifax II/V
 Manchester I
 Mosquito XIII
 Stirling III
 Oxford II
 Spitfire Vb
 Hurricane IIC
 | RAF Winthorpe | Formed by merging 9, 44 and 49 Squadron Conversion Fights. Short Stirlings replaced the planned re-equipment with Handley Page Halifaxs.[10]
 | 
  | 1662 HCU | Jan 43–Apr 45 | Lancaster I/II Halifax I/II/III/V
 Oxford II
 Spitfire Vb
 Hurricane IIC
 Tiger Moth II
 | RAF Blyton |  | 
  | 1663 HCU | Mar 43–May 45 | Halifax I/II/III/V Stirling I
 Oxford II
 Spitfire Vb
 Hurricane IIC
 | RAF Rufforth |  | 
  | 1664 HCU 1664 (RCAF)HCU
 | May 43–Apr 44 Apr 44–Apr 45
 | Lancaster I/III Halifax II/III/V
 Oxford II
 Spitfire Vb
 Hurricane IIC
 | RAF Croft RAF Dishforth
 | The unit had the Canadian name Caribou. | 
  | 1665 HCU 1665 (HT)CU
 | Apr 43–Jun 43 Jun 43–Jan 44
 Jan 44–Aug 45
 Aug 45–Jul 46
 | Halifax III/V/VI/VII Stirling I/III/IV
 Oxford II
 Spitfire IIa/Vb
 Hurricane X
 Tiger Moth II
 Mosquito VI
 Lancaster I
 | RAF Mepal RAF Woolfox Lodge
 RAF Tilstock
 RAF Saltby
 RAF Marston Moor
 RAF Linton-on-Ouse
 | Re-designated as No. 1665 (HT)CU on 10 August 1945 | 
  | 1666 HCU 1666 (RCAF)HCU
 | Jun 43–Oct 43 Oct 43–Aug 45
 | Halifax II/III/V Lancaster I/II/III
 Oxford II
 Spitfire IIa/Vb
 Hurricane IIC
 | RAF Dalton RAF Wombleton
 | The unit had the Canadian name Mohawk. | 
  | 1667 HCU | Jun 43–Oct 43 Oct 43–Feb 44
 Feb 44–Nov 45
 | Halifax II/V Oxford II
 Spitfire Vb
 Hurricane IIC
 Tiger Moth II
 Lancaster I/III
 | RAF Lindholme RAF Faldingworth
 RAF Sandtoft
 |  | 
  | 1668 HCU | Aug 43–Nov 43 Jul 44–Mar 46
 | Lancaster I/II/III/X Mosquito XIX
 Spitfire Vb
 Hurricane IIC
 Beaufighter VI
 | RAF Balderton RAF Bottesford
 | Disbanded November 1943, re-formed July 1944. | 
  | 1669 HCU | Aug 44–Mar 45 | Handley Page Halifax Lancaster I/III
 Spitfire Vb
 Hurricane IIC
 | RAF Langar |  | 
  | 1670 (T)CU | Jun 44–Jan 45 | Thunderbolt Harvard IIB
 | RAF Yelahanka | Became No. 8 Refresher Flying Unit RAF | 
  | 1671 CU | Feb 44–Jun 44 | Beaufighter VI | RAF Baigachi | Formed from AI Mk VIII Conversion Flight RAF | 
  | 1672 (M)CU | Feb 44–Aug 45 | Blenheim V Mosquito III
 Oxford I
 | RAF Yelahanka |  | 
  | 1673 HCU | Feb 44–Apr 44 Apr 44–Nov 44
 | Liberator III Tiger Moth II
 Anson I
 | RAF Salbani RAF Kolar
 | Formed by re-designating No. 1584 (Heavy Bomber) Conversion Unit RAF. | 
  | 1674 HCU | Oct 43–Nov 45 | Liberator III/V/VI/VIII Halifax II
 Fortress I/II/IIA
 Wellington XIII
 Oxford I/II
 Hurricane IIC
 Martinet I
 | RAF Aldergrove various bases in Northern Ireland
 RAF Lossiemouth
 |  | 
  | 1675 HCU | Oct 43–Aug 44 Aug 44–Oct 45
 | Liberator II Harvard IIA
 Hurricane IIB
 Argus II
 | RAF Lydda RAF Abu Sueir
 | Formed by re-designating No. 5 Heavy Bomber Conversion Unit RAF, Lydda | 
  | 1678 HCU | Sep 43–Jun 44 | Lancaster II | RAF Foulsham RAF Waterbeach
 |  | 
  | 1679 HCF | May 43–Jan 44 | Lancaster II | RAF East Moor RAF Wombleton
 | Merged into No. 1666 HCU | 
  | 1699 (BS)CU 1699 HCU
 | Oct 44–Jun 45 | Fortress II/III Liberator VI
 Lancastrian II
 | RAF Oulton RAF Full Sutton
 | Became the Lancastrian Flight of No. 231 Squadron RAF | 
  | All-Weather OCU | ?–? | Anson T.21 Vampire T.11
 Meteor T.7/F.8/NF.12/NF.14
 | nomadic |  | 
  | Argosy CU | Nov 61–Apr 63 | Argosy C.1 | RAF Benson | Became the Argosy Flight of 242 OCU | 
  | Belvedere CU | Aug 64–Aug 68 | Belvedere HC.1 | RAF Odiham | Absorbed by the Short Range Conversion Unit RAF | 
  | Short Range CU | Aug 64–Jul 67 | Twin Pioneer CC.2 Wessex HC.2
 Auster AOP.9
 | RAF Odiham | Became the Helicopter Operational Conversion Flight RAF | 
  | Jaguar OCU | Jun 74–Sep 74 | Jaguar GR.1/T.2 | RAF Lossiemouth | Formed from Jaguar Conversion Team RAF. Became 226 OCU
 | 
  | 5 Heavy Bomber Conversion Unit | ?–? | Liberator | RAF Lydda, RCAF Boundary Bay and RCAF Abbotsford] | Became No. 1675 Heavy Conversion Unit RAF. In April 1944 RCAF Boundary Bay No. 5 Operational Training Unit (for Heavy Conversion) established when 17 B-24 Liberators were scheduled to arrive fresh from American factories that first month. However, only sixteen would actually be delivered. By Sept 30th 1944 RCAF 5 O.T.U. reported B-24 Liberators; Abbotsford 24, Boundary Bay 14, total 38. B-25 Mitchells; Boundary Bay only total 35. Bolingbrokes; Boundary Bay only total 5. P-40 Kittyhawks; Boundary Bay only 8. Norseman; Boundary Bay only 1. Total aircraft on Unit strength 87 | 
  | Heavy Bomber Conversion Unit, Salbani | Sep 42–Jul 43 | Liberator III | RAF Salbani | Became No. 1584 (Heavy Bomber) Conversion Unit RAF – see above. | 
  | Heavy Glider Conversion Unit | Jul 42–Oct 44 | Whitley V Albemarle I/GT.I/ST.II/ST.V
 Horsa I/II
 Oxford I/II
 Tiger Moth II
 Miles Magister
 | RAF Shrewton RAF Brize Norton
 | Became No. 21 Heavy Glider Conversion Unit RAF | 
  | 21 HGCU | Oct 44–Dec 47 | Whitley V Albemarle GT.VI
 Horsa I/II
 Oxford I
 Tiger Moth I
 Miles Magister
 Hotspur II/III
 Hadrian I
 Stirling IV
 Halifax III/VII
 Master II
 
 | RAF Brize Norton RAF North Luffenham
 | Formed by re-designation of the Heavy Glider Conversion Unit RAF | 
  | 22 HGCU | Oct 44–Dec 47 | Albemarle GT.I/ST.II/ST.V/GT.VI Horsa I/II
 Oxford I
 Hadrian I
 | RAF Keevil RAF Blakehill Farm
 | Formed by re-designation of an element of the Heavy Glider Conversion Unit RAF | 
  | 23 HGCU | Oct 44–Dec 45 | Albemarle GT.I/ST.V/ST.VI Horsa I/II
 Oxford I
 Hadrian I
 Proctor III
 | RAF Peplow | Formed by elements of No. 83 Operation Training Unit the Heavy Glider Conversion Unit RAF |