Bristol 171 Sycamore
Light Utility Helicopter
Photo ©: Karsten Palt
The Bristol 171 Sycamore is a single-engine five-seat light utility helicopter produced by the British manufacturer Bristol Aeroplane Company. Bristol Type 171 is the civil designation, Bristol Sycamore is the military designation.
| Crew | 2 | |
| Passengers | 3 | |
| Propulsion | 1 Radial Engine | |
| Engine Model | Alvis Leonides 73 | |
| Engine Power | 410 kW | 550 hp |
| Speed | 204 km/h | 110 kts 127 mph |
| Service Ceiling | 4.877 m | 16.000 ft |
| Range | 532 km | 287 NM 330 mi. |
| Empty Weight | 1.728 kg | 3.810 lbs |
| max. Takeoff Weight | 2.540 kg | 5.600 lbs |
| Rotor Blades (main/tail) | 3/3 | |
| Main Rotor Diameter | 14,81 m | 48 ft 7 in |
| Rotor Disc Area | 172,2 m² | 1854 ft² |
| Length (Fuselage) | 14,07 m | 46 ft 2 in |
| Length | 18,62 m | 61 ft 1 in |
| Height | 3,71 m | 12 ft 2 in |
| First Flight | 27.07.1947 | |
| Production Status | out of production | |
| Total Production | 160 | |
| ICAO Code | SYCA | |
| Data for (Version) | Bristol Sycamore HR.14 | |
| Variants | Type 151 Mk 3, Mk 3A, Mk 4, Sycamore HC10, HC11, HR12, HR14, HR14, Mk 14, Mk 50, HC51, Mk 52 | |
| [Photo-ID: 1440] © Karsten Palt 2008-09-27 | |
 | Bristol 171 Sycamore German Air Force / Luftwaffe Reg.: 78+33 c/n: 13492 D-HFUM |
| Flugausstellung L.+P. Junior [Hermeskeil] | |
| [Photo-ID: 1094] © Karsten Palt 2008-07-11 | |
 | Bristol 171 Sycamore HC Mk.14 Royal Air Force Reg.: XL829 c/n: 13474 |
| The Helicopter Museum [Weston-super-Mare] | |
| [Photo-ID: 6580] © Karsten Palt 2013-04-01 | |
 | Bristol 171 Sycamore HR Mk.14 Royal Air Force Reg.: XG547 c/n: 13387 |
| Koninklijk Legermuseum [Brussel] | |
| [Photo-ID: 1005] © Karsten Palt 2008-07-07 | |
 | Bristol 171 Sycamore HR Mk.14 Royal Army Air Corps Reg.: XG502 c/n: 13147 |
| Museum of Army Flying [Middle Wallop, Hampshire] | |
| [Photo-ID: 1287] © Karsten Palt 2008-07-16 | |
 | Bristol 171 Sycamore HR.12 Royal Air Force Reg.: WV783 c/n: 12900 |
| Royal Air Force Museum [London-Hendon] | |
| [Photo-ID: 6647] © Karsten Palt 2013-05-17 | |
 | Bristol 171 Sycamore HR.14 Royal Air Force Reg.: XJ918 c/n: 13414 |
| Royal Air Force Museum Cosford [Shifnal, Shropshire] | |
| [Photo-ID: 3468] © Karsten Palt 2010-06-12 | |
 | Bristol 171 Sycamore HR.52 German Air Force / Luftwaffe Reg.: 78+04 c/n: 13442 |
| Luftwaffenmuseum [Berlin - Gatow] | |
| [Photo-ID: 7745] © Karsten Palt 2013-09-01 | |
 | Bristol 171 Sycamore HR.52 German Air Force / Luftwaffe Reg.: 78+20 c/n: 13478 |
| Hubschraubermuseum Bueckeburg [Bueckeburg] | |
| [Photo-ID: 1077] © Karsten Palt 2008-07-11 | |
 | Bristol 171 Sycamore Mk.3 Bristol Aircraft Reg.: G-ALSX c/n: 12892 |
| The Helicopter Museum [Weston-super-Mare] | |
| [Photo-ID: 1795] © Karsten Palt 2009-04-03 | |
 | Bristol 171B Sycamore HR Mk.52 Reg.: HB-RXB c/n: 13475 |
| AERO Friedrichshafen 2009 [Friedrichshafen (EDNY / FDH)] | |
| [Photo-ID: 3056] © Hartmut Ehlers 2009-12-16 | |
 | Bristol Sycamore H.R.50 Royal Australian Navy Reg.: XA220 c/n: 13064 |
| RAN Fleet Air Arm Museum, Nowra NSW [NAS Nowra - HMAS Albatross (YSNW / NOA)] | |
| [Photo-ID: 3055] © Hartmut Ehlers 2009-12-16 | |
 | Bristol Sycamore H.R.51 Royal Australian Navy Reg.: XD653 c/n: 13071 |
| RAN Fleet Air Arm Museum, Nowra NSW [NAS Nowra - HMAS Albatross (YSNW / NOA)] | |
| [Photo-ID: 103] © Karsten Palt 2006-08-26 | |
 | Bristol Sycamore HR.52 German Navy / Marine Reg.: WE+543 c/n: 13446 ex D-HEMD |
| Aeronauticum [Nordholz] | |
| [Photo-ID: 104] © Karsten Palt 2006-08-26 | |
 | Bristol Sycamore HR.52 German Navy / Marine Reg.: WE+543 c/n: 13446 ex D-HEMD |
| Aeronauticum [Nordholz] | |