principal longitudinal axis

setting angle of the longitudinal axis with respect to the aircraft axis

pitch axis / transverse axis / lateral axis

longitudinal axis of a zone of dispersion

longitudinal axis of inertia

longitudinal axis requirements

longitudinal body axis

longitudinal axis

principal attack

principal duty

principal military requirement (PMR)

principal position

principal reserve

principal

Principal Subordinate Command (PSC)

principal direction of fire (PDF)

principal distribution depot

principal currency / reference currency

world map of principal aeronautical features

principal motion

principal subordinate commander

principal direction of fire

longitudinal control

longitudinal-level bubble

longitudinal axle

longitudinal-stability test

runway average longitudinal gradient

control stick longitudinal displacement

longitudinal dihedral

lateral and longitudinal trimming actuator

longitudinal accelerometer

longitudinal centre of gravity

longitudinal separation