Bristol 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

Airframes (93)

C/N	Model	Built	Reg
13383	sycamore 4	1956	XG543	w/o 1958
13384	sycamore 4	1956	XG544 XG544
13385	sycamore 4	1956	XG545	w/o 1957
13386	sycamore 4	1956	XG546	w/o 1957
13387	sycamore 4	1956	XG547 G-HAPR	S-T
13388	sycamore 4	1956	XG548	w/o 1957
13389	sycamore 4	1956	XG549	w/o 1958
13390	sycamore 4	1956	XJ383	w/o 1957
13392	sycamore 4		XJ385	S-J
13401	sycamore 4	1956	XK902	902 w/o 1958
13402	sycamore 4	1956	XG507	3 w/o 1964
13404	sycamore 4	1956	XJ895	S-J
13405	sycamore 4	1956	XJ896	w/o 1958
13406	sycamore 4	1956	XJ897
13407	sycamore 4	1956	XK903 XL507	903 w/o 1957
13408	sycamore 4	1956	XJ898	S-O
13409	sycamore 4	1956	XJ915	w/o 1966
13410	sycamore 4	1956	XJ916
13412	sycamore 4	1956	XJ917 XJ917	S-H
13413	sycamore 4	1956	XJ918
13414	sycamore 4	1957	XJ919	w/o 1963
13415	sycamore 4	1957	XL820	w/o 1964
13417	sycamore 4	1957	XL821
13438	sycamore 4	1957	XL822	V w/o 1963
13441	sycamore 4	1957	XL823	S-C
13444	sycamore 4	1957	8021M XL824
13447	sycamore 4	1957	XL825	w/o 1962
13460	sycamore 4	1957	XL826	w/o 1966
13468	sycamore 4	1957	XL827
13471	sycamore 4	1957	XL828	w/o 1959

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Operators

1951-1965	Royal Australian Air Force Type 171 Sycamore
1953-1966	Fleet Air Arm (RAN) Type 171 Sycamore
1953-1972	Royal Air Force Type 171 Sycamore
1979-1985	Flambards Experience Type 171 Sycamore
2007-	Boscombe Down Aviation Collection Type 171 Sycamore
2015-	Aerospace Bristol