certificate of authorization (COA)

certificate or waiver of authorization

course of action (COA)

COA Analysis

COA Approval

COA Comparison

COA Development

Authorization for Use of Military Force (AUMF)

personnel authorization

Low Altitude Authorization and Notification Capability (LAANC)

Low Altitude Authorization and Notification Capability system (LAANCs)

manpower authorization voucher

man-power authorization changes

aircraft airworthiness certificate

volunteer certificate

handover certificate

Air Defense Command Commendation Certificate

acceptance certificate

crew member certificate

issue a certificate

certificate holder

certificate of compliance

certificate of quality

certificate of revaccination

certificate of safety for flight

certificate of type

certificate of vaccination

registration certificate

release certificate

render a certificate

works certificate

certificate

air operator certificate