JAMMING -- JOINT USE RESTRICTED AREA
JAMMING- Electronic or mechanical interference which may disrupt the display
of aircraft on radar or the transmission / reception of radio communications /
navigation.
JET BLAST- Jet engine exhaust (thrust stream turbulence).
JET ROUTE- A route designed to serve
aircraft operations from 18,000 feet MSL up to and including flight level 450.
The routes are referred to as "J" routes with numbering to identify the
designated route; e.g., J105.
JET STREAM- A migrating stream of
high-speed winds present at high altitudes.
JETTISONING OF EXTERNAL STORES- Airborne release of external stores; e.g.,
tiptanks, ordnance.
JOINT USE RESTRICTED AREA- (See RESTRICTED
AREA.)