qv = also in Glossary
I
-
ILS
Instrument Landing System (radio ground aid to assist aircraft to land) -
Impressed (aircraft)
Civil aircraft brought into military service -
Inactive
Term relating to status of military airfield closed to flying but not necessarily abandoned, as can be used for e.g. ground duties -
Inland Area
RAF organisation (1920-1936) -
Intruder
Aircraft used to attack targets of opportunity in enemy territory -
IRBM
Intermediate Range Ballistic Missile -
Iris Hut
WW2 airfield support building