Manuals Required

Trying to track down the following manuals urgently for a project that needs going through, i hope someone can point me in the right direction?

AP1803D Dowty Hydraulic Equip
AP1803E Dowty Undercarriage Equip
AP1095A / B / C Electrical Equip
AP1275B Instruments / Navigation
AP1275E Gun /RP / Sights

Thanks in Advance

Dave