A main spar of several making up the longitudinal framework carrying the tail of an aeroplane when not supported by the fuselage.
- The helicopter settled onto the ground in a nose-low attitude that caused the main rotor blades to strike the tail boom and sever it from the aircraft.
- Inspection revealed Class B damage from 7.62 mm rounds to the oil cooler, both rotor blades, sighting unit, No.2 engine, forward fuel cell, and structural supports in the tail boom, along with other superficial hits.
- Resident David Pykett told the inquest: ‘The tail boom had fractured but folded around the fuselage and it spun into some trees.’
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