reference procedure

overflight reference procedure

take-off reference procedure

approach reference procedure

noise certification reference procedure

attitude-and-heading reference system / attitude and heading reference system (AHRS)

call-out procedure

donning procedure

ground-controlled approach procedure

handover procedure

legal procedure

military standard requisitioning & issue procedure (MILSTRIP, NATO)

missed approach procedure (aviation)

observed fire procedure

operational procedure

procedure words (prowords)

prowords (procedure words)

radiotelephone procedure

salvage procedure

security procedure

silence procedure

staff procedure

standard operating procedure(s) (SOP)

standing operating procedure (SOP)

voice procedure

co-decision procedure

materiel test procedure pamphlet

cross-check procedure (CCP)

ditching procedure

safing procedure

unscheduled safing procedure

fire control procedure

prepare-to-fire procedure