Acronyms (GEN 2.2 - 33)
General
AA - Audio Acknoledgement
AAL - Abv Aerodrome Level
ADZ - Advise
DLE - Delay En Route
GFY - Glider Flying
GLD - Glider
MAR - At Sea
OBS - Observed
OW - Over Water
WEF - With Effect From
WEI - With Immediate Effect
AH - After Hours
DLY - Daily
HDS - Hours Daylight Saving
HJ - Sunrise to Sunset
HN - Sunset to Sunrise
HS - Service available during hours of scheduled operations
HX - No specific working hours
JF - Sat, Sun, and PH
JO - Monday to Friday, except PH
OT - Other Times
SR - Sunrise
SS - Sunset
Weather
AC - Altocumulus
AS - Altostratus
CB - Cumulonimbus
CC - Cirrocumulus
CI - Cirrus
CS - Cirrostratus
CU - Cumulus
CUF - Cumuliform
NS - Nimbostratus
ST - Stratocumulus
ST - Stratus
BCFG - Fog Patches
BR - Mist
DS - Dust Storm
DU - Dust
DZ - Drizzle
FC - Funnel (tornado / water spout)
FG - Fog
FU - Smoke
GR - Hail
GS - Small Hail +/- Snow Pellets
HZ - Haze
MBST - Microburst
MIFG - Shallow Fog
MTW - Mountain Waves
PL - Ice Pellets
PO - Dust Devils
SQ - Squall
SS - Sand Storm
TC - Tropical Cyclone
TDO - Tornado
VA - Volcanic Ash
BL - Blowing (DU = dust, SA = sand, SN = snow)
DL - Distant Lightning
DR - Low Drifting (DU, SA, SN)
DTRT - Deteriorate(ing)
DUC - Dense Upper Cloud
FBL - Light (e.g. light rain)
FZ - Freezing (FZDZ - freezing drizzle, FZFG - freezing fog, FZLVL - freezing level, FZRA - freezing rain)
HVY - Heavy
MOD - Moderate
MX - Mixed type of ice formation
RE - Recent (e.g. RERA = recent rain)
TOP - Cloud Top
VC - Vecinity of Aerodrome