Aviation Glossary - J

A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

JAA - Joint Aviation Authority.

JAR - Joint Aviation Requirements, being drawn up by eighteen European states, aimed at unifying airworthiness, flight crew licensing and other criteria among signatory nations.

JAWG - Joint Airmiss Working Group. A civilian/military committee which reviews and reports on all air-misses which occur in UK airspace.

Jeppesen - U.S.-developed navigational/approach chart system with worldwide coverage, similar to British Aerad system.

JPATS - Joint Primary Aircraft Training System. A USAF/U.S. Navy programme to select a common aircraft design as a basic pilot trainer for the two services.