Section II. DEFINITION OF UNUSUAL TERMS
- An optical system focused on infinity.
- An acronym for aviation electronics.
- The line-of-sight of a weapon sighting
instrument parallel to the axis of the
- Wear caused by friction or rubbing.
Fault Detection (FD/LS)
- Computer controlled built-in test (BIT) for
the helicopter and avionics.
- A position of the PNVS turret assembly
window such that it is lined up with
horizontal centerline of helicopter.
- Storage items subject to immediate
- Looking directly at infrared energy rather
than reflected infrared energy.
A likeness of an object produced by
means of light rays.
- Pertaining to radiations of heat from a
body or object
- The straight line connecting the observer
with the aiming point; the line along
which a sight is set.
Maintenance Operational Check (MOC)
- A procedure used to determine opera-
tional status of equipment. It is performed
after a maintenance task and during trou-
- The technique of flying above the earths
terrain below 50 feet altitude and avoid-
ing terrain features.
- The use of semiautomatic equipment that
requires intervening actions by the opera-
- The releasing of gases from a material
usually by heating. These gases can be
harmful to optics if the gases are trapped
in confined spaces.
- A safety switch located near the helicop-
ter left main landing gear that disables
laser and anti-ice circuits while helicopter
is on the ground.
- Not sticking under pressure.