Definition

Contraction

Usage

jet approach landing charts

JAL

GEN

jet assisted take­off

JATO

ATC

jet penetration

JP

ATC

jet penetration approach

JPAP

ATC

jet runway barrier

J­BAR

ATC

jet stream

JTST

ICAO

jet stream

JTSTR

NWS

jet terminal area

Z

ATC

join airways

JAWYS

ATC

journeyman

JOUR

GEN

junction

JCTN

GEN