Glossary

Aviation Terms

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There are currently 5 terms in this directory beginning with the letter I.
ID
Identification.
IFF
Identify Friend-or-Foe, a system that allows identification of whether or not an aircraft is friendly. Despite the name, the system cannot positively identify foes, only aircraft using the accepted “friend” codes.
INS
Inertial Navigation System, a method of navigation using inertia.
IR
Infrared, generally referring to missile guidance.
IRST
Infrared Search and Track, a system that uses IR for target location and tracking.