repair and maintenance of large transport commercial and military aircraft and repair of aircraft engine nacelles and thrust reversers

modification of large transport aircraft, namely conversion of passenger aircraft to freighters and other cargo aircraft; and modification of aircraft engine nacelles and thrust reversers

distributorships in the field of aircraft parts and components; engineering services relating to maintaining, repairing, and modifying large transport aircraft; engineering services related to the repair, maintenance and modification of aircraft engine nacelles and thrust reversers