Bristol Type 171 Sycamore

Sycamore 4

1953










The Type 171 Mk.4 was built with 4 doors, featured a 520shp Alvis Leonides 71 engine, a higher main undercarriage and the pilot sat on the right hand side of the cockpit. Most Sycamore production units were based on the Mk.4.




Specifications


Engine: 1 x Alvis Leonides Mk.71 550 shp
Capacity: 2 + 3
Length: (m) 18.62
Height: (m) 4.23
Blades: 3
Rotor diam.: (m) 14.8
Disc area: (m2) 172.1
Weight: (kgs) Empty: 1730     Max: 2450
Speed: (km/h)     Max: 227
Range: (km) 530
Ceiling: (m) 4725     Max: 4875
Rate/Climb: (m/min)
blueprints


List of Operators of Bristol Sycamore 4


From Organisation with model Sycamore 4
1951
australia Royal Australian Air Force
    Type 171 Sycamore 2 1951/65
1953
australia Fleet Air Arm (RAN)
    Type 171 Sycamore 14 1953/66
united kingdom Royal Air Force
    Type 171 Sycamore 93 1953/72
1979
united kingdom Flambards Experience
    Type 171 Sycamore 1 1979/85
2007
united kingdom Boscombe Down Aviation Collection
    Type 171 Sycamore 1 2007/   
2015
united kingdom Aerospace Bristol
    1 2015/   
Construction Numbers on database of Sycamore 4

90Sycamore 4




Construction Numbers

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C/NYearHistory
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13070 1952 UK G-AMWI : Built Filton. Prototype Sycamore Mk.4 ff May 1953. (mar+
Attended a well publicised Helicopter Party in Jun 1958+
AU XR592 : converted to HR.51, sold to RAN May 1961 and XR592 allo+
AU VH-BAW : VH-BAW stored, wfu 14/08/1972
XR592 : 1979 Camden Museum of Aviation, restored to RAN marking+
Still with the Thomas Collection (at Narellan), by 2008+
13071 1953 UK XD653 : Built as HC.51 Allocated G-AMWJ (not used). Delivered t+
AU XD653 : to Fleet Air Arm Museum, Nowra, in Navy colours as XD65+
After RAN service, preserved in Nowra, New South Wales.
13144 1952 UK XE306 : HR.14 Del Nov 1953 to A&AEE
UK XE306 : w/o 28 Jul 1954, Overturned after power loss in low hov+
13145 1952 UK XE307 : HR.14 Del A&AEE Nov 1953
UK XE307 : 17 Sep 1959 Crashed and w/o in Cyprus, c 8nm SE of Nico+
13146 1953 UK XD654 : Built as HR.51 at Filton. Delivered to RN 1954. To RAN +
AU XD654 : Ditched alongside RN HMS Hermes while operating from HM+
13147 1953 UK XD655 : Built as HR.51 at Filton. Delivered to RN Mar 1954. To +
AU XD655 : RAN Oct 1954
13148 1954 UK XD656 : Built as HR.51 at Filton. Delivered to RN Mar 1954. To +
AU XD656 : To RAN Oct 1954. Ditched off HMAS Melbourne and w/o, 4 +
13149 1953 UK XE308 : HR.14 to Bristol; used in the Type 192 metal rotor blad+
UK XE308 : 3 Nov 1965 w/o when rolled over on take off from Boscom+
13150 1953 UK XE309 : HR.14 Del RAF; Eastleigh Stn Flt; Aden Protectorate C+
Lost control at low level and crashed while with CFS(H)+
13151 1953 UK XE310 : HR.14 to RAF
13152 1953 UK XE311 : HR.14 Del RAF; To 194 Sq / B.
04apr64 as 110 Sq /B pictured post-landing fire at But+
13153 1953 UK XE312 : HR.14 to RAF
13194 1953 UK G-AMWK : Reg ntu ? to RAF as XE313 c Sep 1953
UK XE313 : HR.14 to RAF
w/o 6 Jan 1958, after losing height on take off and cra+
13195 1952 UK G-AMWL : Registered 1 Dec 1952. Cancelled 30 Sep 1953, to RAF XE+
UK XE314 : HR.14 Del RAF, to 194 Sq.
w/o 7 Dec 1954 when crashed on take-off at Fort Selim, +
13196 1952 UK G-AMWM : Registered G-AMWM 1 Dec 1952. Cancelled 30 Sep 1953, to+
UK XE315 : HR.14 Del RAF for 194 Sq
w/o Crashed into river and sank after tail rotor fault+
13197 1952 UK G-AMWN : Registered G-AMWN 1 Dec 1952. Cancelled Sep 1953, to RA+
UK XE316 : HR.14 Del RAF Sep 1953, for 194 Sq.
w/o 30 Jan 1955, Overturned by wind, Fort Selim, Malaya+
13198 1952 UK G-AMWO : Reg G-AMWO ntu ? To RAF as XE317
UK XE317 : RAF Sycamore HR.14
Feb 1955, 275 Sq B Flt detached to RAF North Coates
275 Sq B Flt by Apr 1959, when unit departed Aldergrov+
118 Sq by Sep 1959
118 Sq; 225 Sq; 118 Sq; CFS (H) / S-N
XE317 : may78 pres Newark Air Museum in CFS c/s coded S-N - pho+
Pres at Firbeck, Yorkshire present jul97 photo www.airp+
under restoration at South Yorkshire Aircraft Museum, D+
13202 UK G-AMWT : Mk.4 built at Filton, reg G-AMWT (ntu ?); to RAAF Jan 1+
AU A91-2 : to RAAF Jan 1955
w/o 13 Dec 1960 at Lake Hart, nr Woomera; soc 12 Oct 19+
13203 1955 UK XG506 : HR.14 built at Filton and del RAF 6 May 1955
Joined 118 Sq at Aldergrove on 4 Sep 1959.
6 Dec 1961, landed due to poor weather, while with 118 +
275 Sq; 118 Sq; 225 Sq; 118 Sq; 72 Sq; Metropolitan Co+
to Halton as G I 7852M, 16 Jun 1964; believed disposed +
to Bomber County Aviation Museum on 19 Nov 1983
moved to Hemswell, when BCAM relocated in 1989, until N+
Departed Hemswell for Doncaster during Nov 2000, (for u+
13220 1954 UK XE318 : HR.14 Del RAF c Oct 1954
w/o 13 Sep 1955, when flipped over during take off in M+
13221 1954 UK XE319 : HR.14. Del RAF c Aug 1954
w/o 21feb59 crashed following main rotor failure south +
13222 1954 UK XE320 : HR.14 Del RAF; CFS; APS Sylt; 225 Sq; CFS
crashed after loss of control near Peplow on 13 Oct 196+
13223 1954 UK XE321 : HR.14 Del RAF c Oct 1954
w/o 6 Sep 1956 forced landing nr Ipoh, following failed+
13224 1954 UK XE322 : HR.14. Del RAF c Nov 1954; To 194 Sq.
w/o 20 Mar 1961, crashed in river in Malaya after abort+
13225 1954 UK XF265 : HR.14 built at Filton. Del RAF Dec 1954
w/o 10 Jul 1956 while operating with 275 Sq from RAF Le+
13226 1954 UK XF266 : HR.14 built at Filton. Del RAF
194 Sq after Oct 1954; 110 Sq after 1960, still Sep 196+
13227 1954 UK XF267 : HR.14 built at Filton. Del RAF.
w/o 27feb59 crashed following main rotor failure 3.5nm +
13228 1955 UK XF268 : HR.14 Del RAF 1 Feb 1955
w/o 8 Jul 1955 on Mt Olympus, Cyprus, while with Nicosi+
13229 1955 UK XF269 : HR.14 Del RAF Feb 1955
w/o 8 Feb 1966, while taking off from Ternhill, as CFS(+
13240 1955 UK XJ363 : HR.14. Del RAF Jun 1955
w/o 20 May 1957 after forced landing following engine m+
13242 1956 UK XJ380 : dd RAF as HR.14 on 22 Oct 1956;275 Sq; 228 Sq; CFS / S-+
to Catterick Fire School 6 Mar 1968 as 8628M / S-M
to RAF Finningley 26 Jan 1979 and restored to SAR marki+
HR.14. To New Byth, Grampian in 1991
to Montrose Air Station Museum by 1994 until Feb 2007
UK XJ380 : private owner in Drighlington, S. Yorks by 1988 until 1+
to Boscombe Down Aviation Collection Jun 2007. Restorat+
13243 1956 UK XJ381 : HR.14. Del RAF May 1956
w/o 7 Aug 1957 after blades struck ground during landin+
13245 1954 UK XG500 : HR.14 ff Jan 1955, dd Feb 1955 JEHU-JHU/1 by Oct 1956
JHU / 1 participated in Suez action Nov 1956
Tail rotor failure on landing 14 Dec 1961, a/c abandone+
13246 1955 UK XG501 : HR.14 dd 9 Mar 1955. While operating with 275 Sq from +
13247 1955 UK XG502 : RAF Sycamore HR.14 d/d 04mar55; preserved at Army Museu+
JHU / 2, participated in Suez action Nov 1956
275 Sq F Flt Jul 1957
118 Sq in Nov 1961.
UK XG502 : HR.14, Gate Guardian at AAC Middle Wallop until c May 1+
to Museum of Army Flying, Middle Wallop by May 1983
13248 1955 UK XJ361 : HR.14 del RAF Mar 1955
w/o 2 Sep 1958 following tail rotor failure at Khormaks+
13264 1955 UK XG503 : HR.14 built at Filton. Del RAF Mar 1955
UK XG503 : 23 May 1955, First helicopter to visit the Bristol Aero+
CFS (H); MCS; HDU; CFS (H) ; MCS
to Odiham fire dump by 1968
13265 1955 UK XG504 : HR.14 built at Filton. Del RAF Mar1955
Khormaksar SAR Flt; CFS (H); MCS; 32 Sq
To a roadside service station nr Rotherham Aug 1972; To+
13266 1955 UK XJ362 : HR.14. Del RAF May 1955
w/o 27jun56 asg JEHU damaged by ground resonance at Bul+
13267 1955 UK XG505 : HR.14 built at Filton. Del RAF May 1955
25 Jun 1956 ditched in sea off North Coates after engin+
13268 1955 UK XG510 : HR.14 built at Filton. Del RAF Jul 1955
w/o 5 Feb 1956 rolled over when taking off in Perak, Ma+
13269 1955 UK XG509 : HR.14 built at Filton, del RAF Jul 1955; 275 Sq; 228 Sq+
275 Sq B Flt by Apr 1959, when unit departed Aldergrov+
Struck ground in turn and rolled at Ternhill on 13 Feb +
13271 1955 UK XG511 : HR.14 built at Filton. Del RAF Jul 1955
Rotor struck ships mast during rescue and crashed off F+
13272 1955 UK XG512 : HR.14 built at Filton. Del RAF Jul 1955
Rotors struck ground after nosewheel collapsed on landi+
13273 1955 UK XG513 : HR.14 built at Filton. Del RAF Aug 1955.
w/o 16 Sep 1957 spun in on landing, following tail roto+
13368 1955 UK XG514 : HR.14 built at Filton. Del RAF Aug 1955
Jan 1956 transferred from 275 Sq A Flt to B Flt at RAF +
275 Sq F Flt by Feb 1958
Rolled during sloping ground practice at Ternhill on 10+
13369 1955 UK XG515 : HR.14 built at Filton, del RAF Aug 1955
JEHU; JHU / 4, participated in Suez action Nov 1956
ex JHU; MCS; 225 Sq; CFS (H)
May 1968 to 8008M at RAF Halton
13370 1955 UK XG516 : HR.14 built at Filton. Del RAF Sep 1955
w/o 18 Feb 1957, rolled over after rotors struck tree d+
13371 1955 UK XG517 : HR.14 built at Filton. Del RAF Oct 1955
Rotors struck ground on landing at Tobruk on 23 Aug 196+
13372 1955 UK XG518 : HR.14 dd Oct 1955. Amman Stn Flt; Habbinya Stn Flt; El +
XG518 North East Aircraft Museum : to North East Aircraft Museum 15 Mar 1983, still Sep 19+
to Norfolk & Suffolk Aviation Museum before 2000, still+
20Jun19 pictured at Norfolk and Suffolk Aviation Museum+
13373 1955 UK XG519 : HR.14 built at Filton, del RAF Nov 1955
194 Sq; 110 Sq
24 Jan 1964 crashed in Malaya and burnt out, while with+
13374 1955 UK XG520 : built at Filton, dd 14 Nov 1955. Rolled over at South C+
13375 1955 UK XG521 : HR.14 built at Filton. Del RAF Nov 1955
118 Sq by Sep 1959
w/o 13 Oct 1961, crashed at RAF Aldergrove, while servi+
13376 1955 UK XG522 : HR.14 built at Filton. Del RAF Dec 1955.
w/o 4 Apr 1961, crashed in Pahang State, Peninsular Mal+
13377 1955 UK XG523 : HR.14 built at Filton. Del RAF Dec 1955.
JEHU by Jan 1956; JHU / 5, participated in Suez action +
ex JHU/5 ; 225 Squadron Jan 1960; CFS-H/V by c Apr 1962+
to NEAM Sunderland by Dec 1993. Nose section only.
XG523 : Nose section preserved as / V, at Norfolk and Suffolk A+
20Jun19 pictured at Norfolk and Suffolk Aviation Museum+
13378 1956 UK XG538 : HR.14 built at Filton. Del RAF Jul 1956.
w/o 14 Sep 1960 rolled over on take off, while with 110+
13379 1956 UK XG539 : HR.14 built at Filton. Del RAF Jan 1956.
w/o 1 Aug 1958 after tail rotor struck cables in the ce+
13380 1955 UK XG540 : HR.14 built at Filton. Del RAF Jan 1956.
CFS (H) / Y-S; Bristol Aeroplane Company; MCS
23 Jul 1965 - forced landing following engine failure w+
sacrificed so many spares to other Sycamores around the+
13381 1956 UK XG541 : HR.14 built at Filton. Del RAF Feb 1956
w/o 20 Jul 1958 when struck ground during forced landin+
13382 1956 UK XG542 : HR.14 built at Filton. Del RAF Jun 1956.
w/o 4 Jun 1958, when rolled over after snagging tail ro+
13383 1956 UK XG543 : HR.14 built at Filton. Del RAF Mar 1956
w/o 23 Sep 1958 tail rotor struck tree and crashed, whi+
13384 1956 UK XG544 : Built at Filton, dd 14 Dec 1956; 275 Sq Feb 1957; 72 Sq+
118 Sq 27 Oct 1961, to replace damaged XG521.
Temporarily withdrawn from 118 Sq in Northern Ireland v+
MCS (Metro Comms Sq) Jan 1964; 32 Sq Feb 1969 until Au+
XG544 Torbay Aircraft Museum : Flew into Barton Pines on 11 Aug 1972 as one of foundin+
to Tremar by 1989, still 1994. Sold c Nov 2000.
If you think you saw this flying in the 1990s, it will +
13385 1956 UK XG545 : 1st HR.14 built at Weston-Super-Mare. ff at Weston on 1+
UK XG545 : w/o 16 Jul 1957, ditched into the North Sea 0.5nm off H+
If you think you have seen this flying recently, it wil+
13386 1956 UK XG546 : HR.14 built at Filton. Del RAF Jun 1956
w/o 31may57, asg 284 Sq destroyed by ground resonance w+
13387 1956 UK XG547 : Built at Weston-super-Mare as HR.14. 284 Sq / 5 by Nov +
RAF Sycamore HR.14; 11sep10 pictured preserved at Musee+
UK G-HAPR : To British Rotorcraft Museum by Mar 1978 as XG547/S-T, +
13388 1956 UK XG548 : HR.14 5th Sycamore built at Weston-super-Mare, after pr+
UK XG548 : JEHU by Oct 1956; JHU / 6, participated in Suez action+
w/o 10 Jul 1957, rolled over during landing, while with+
13389 1956 UK XG549 : HR.14 built at Weston-super-Mare. Del RAF Oct 1956
w/o 16 Apr 1958 following forced landing after engine f+
13390 1956 UK XJ383 : HR.14. Del RAF Sep 1956
w/o 26 Jul 1957, rolled over during take off nr Agios N+
13402 1956 UK XG507 : HR.14 built at Weston-super-Mare, del RAF Aug 1956
JEHU; JHU / 3, participated in Suez action Nov 1956
ex JEHU; MCS; 225 Sq; CFS (H)
10 Jul 1964 damaged in heavy landing at Ternhill, while+
13404 1956 UK XJ895 : HR.14 built at Weston-super-Mare. Del RAF Oct 1956
275 Sq; 284 Sq from Sep 1959; El Adem Stn Flt; 103 Sq; +
to Catterick fire dump, destroyed by mid 1978
13405 1956 UK XJ896 : HR.14 built at Weston-super-Mare. Del RAF Nov 1956
w/o 10 Feb 1958 when crashed into mountain in Cyprus, w+
13406 1956 UK XJ897 : HR.14 built at Weston-super-Mare. Del RAF Nov 1956
284 Sq; 103 Sq from Aug 1959; 1563 Flt from Aug 1963; C+
to Wattisham fire dump
13408 1956 UK XJ898 : HR.14 built at Weston-super-Mare. Del RAF Nov 1956
284 Sq; 103 Sq from Aug 1959; 1563 Flt from Aug 1963; K+
to Leuchars fire dump
13409 1956 UK XJ915 : HR.14 built at Weston-super-Mare, del RAF Nov 1956; 275+
275 Sq F Flt by Aug 1957
CFS (H) / B-S by 1965, Damaged at Ternhill during prac+
13410 1956 UK XJ916 : HR.14 built at Weston-super-Mare, del RAF Nov 1956; 275+
to Manston for Fire Fighting training
13412 1956 UK XJ917 : In Rescue c/s at RAF Turnhouse 1958; CFS/S-H by Sep 196+
UK XJ917 : To Cornwall Aero Park (at least 1976 to 1985). Left by +
XJ917 : Bristol Aero Collection (Banwell) arrived 30 Apr 1993; +
13413 1956 UK XJ918 : RAF Sycamore HR.14; preserved Cosford RAF Museum
275 Sq; A&AEE
RAF - Displayed at Farnborough Airshow 1968
110 Sq by Nov 1959; Metropolitan Communications Squadro+
11Jun17 pictured at RAF Museum Cosford, as 8190M
13414 1957 UK XJ919 : HR.14 built at Weston-super-Mare. Del RAF 7 Feb 1957
275 Sq F Flt by Aug 1957
275 Sq; 225 Sq; A&AEE
w/o 27 Feb 1963 after engine failure, at Boscombe Down
13415 1957 UK XL820 : First of final batch of 10 HR.14, del RAF Feb 1957.
Crashed near Tern Hill while with CFS on 25 Mar 1964
13417 1957 UK XL821 : HR.14 Del RAF
1968 Broken up at Seletar
13438 1957 UK XL822 : HR.14 built at Weston-super-Mare. Del RAF c Apr 1957
Nov58 pictured in Cameron Highlands jungle after engin+
w/o 06may63 while searching along the Tusan Valley for +
13441 1957 UK XL823 : HR.14 Del RAF c May 1957
275 Sq B Flt by Apr 1959, when unit departed Aldergrov+
CFS / S-C
Aug 1966 to Wroughton
G.I. to Catterick as / S-C, gone by 1978
13444 1957 UK XL824 : HR.14 built at Filton. Del RAF c Jun 1957
284 Squadron from 1958; 103 Squadron from Aug 1959; 156+
Stored at RAF Henlow in the RAF Museum collection, by J+
Dec 1982 to (then) Manchester Air and Space Museum; sti+
Apr 2015 to Aerospace Bristol (museum)
UK 8021M : Jul 1968 became GI Airframe 8021M; to Wroughton (for RA+
UK XL824 : 07may18 pictured at Aerospace Bristol museum, on the no+
13447 1957 UK XL825 : HR.14 Del RAF c Jul 1957
asg 194 Sq pictured in Malaya
28 Sep 1962 w/o in Kedah, Malaysia, when it sliced its +
13460 1957 UK XL826 : HR.14 Del RAF c Aug 1957
275 Sq by Jan 1959, CFS(H)/A-S Ternhill by 1963. w/o 28+
13468 1957 UK XL827 : HR.14 Del RAF c Sep 1957
May 1966 to Wroughton. To Wrooughton dump by Aug 1971.
13471 1957 UK XL828 : Built at Weston-super-Mare as HR.14. Del RAF c Oct 1957+
w/o 18dec59 asg Khormaksar SAR Flt, destroyed by ground+
13474 1957 UK XL829 : HR.14 dd Dec 1957. Khormaksar SAR Flt until Mar 1964, r+
XL829 : In storage at Bristol City Museum from Dec 1971. To Bri+
International Helicopter Museum; To IHM Weston-super-Ma+
12Jul15 pictured in 32Sq colours at the International H+
13504 1959 AU XN449 : Built as Type 171 Mk4 Sycamore HR.51 at Weston-super-Ma+
w/o 3 Sep 1962 near Nowra air base (HMAS Albatross).
13505 1958 AU XN450 : built at Weston-super-Mare, UK as HR.51 ex G-18-178. La+
XN450 : 1979 Camden Museum of Aviation, in RAN marks /848
to Business Aviation Bankstown Sep 1965. Preserved at B+
90 C/N.