Communications version for the British Army version based on the 171 Mk.3.
Source: ”Helicopters & Autogyros of the World”, Paul Lambermont with Anthony Pirie, Second edition 1970, Cassell & Company Ltd, SBN 304 93390 2
VTOL type: Helicopter
Lift devices: 1 Single main rotor
Dedicated control device: 1 Tail rotor
Crew required: 1 in Side-by-side arrangement
Landing gear: Wheels (non-retractable)