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Publication of GB1229167ApublicationCriticalpatent/GB1229167A/en
B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
B64D3/00—Aircraft adaptations to facilitate towing or being towed
B64D3/02—Aircraft adaptations to facilitate towing or being towed for towing targets
The impact of flight operating techniques upon engine maintenance costs(Flight operating techniques influence upon engine maintenance costs and new engine design, specifically Pratt and Whitney JT 3 C-12 on Boeing 720 aircraft)