To try and list everything we need would be a major task in itself so we'll start with just some of the more important/obvious one's, if you know or think you know where any of these can be obtained from please let us know, thanks.
Main gearbox & rotor head
Tail rotor head
Port undercarriage sponson - now acquired
Rear undercarriage unit
Main rotor blades
Barn door FOD guard - now acquired
Port exhaust fairing
Lower (hinged) pylon fairing
Main gearbox cowling
P1 & P2 Seat harnesses
P1 & P2 Cyclics & Collectives
Any glazing
Main gearbox drip pan
Tailcone driveshaft covers/fairings
No. 4 Driveshaft (tailcone)
Intermediate gearbox (pylon)
Port side aft weapons carrier
Forward rotating beacon
Sponson nav light lenses
Pylon nav light
Winch & frame
Any photographs or literature of 677 during her service life.
Wiring diagrams for the internal/external lighting.