| Qui
di seguito sono indicate le abbreviazioni pił comuni usate
in campo aeronautico: |
| AAF |
Army Air
Field |
| AAL |
Above
Aerodrome Level |
| AARA |
Air to Air
Refuelling Area |
| AAS |
Airport
Advisory Service |
| AB |
After
Burner |
| AB |
Air Base |
| abm |
abeam |
| ABn |
Aerodrome
Beacon |
| abv |
above |
| ACC |
Area
Control Center |
| acft |
aircraft |
| ACN |
Aircraft
Classification Number |
| act |
activity |
| A/D |
Aerodrome |
| ADA |
Advisory
Area |
| ADCC |
Air Defence
Control Center |
| ADCUS |
Advise
Customs |
| addn |
addition |
| ADF |
Automatic
Direction Finder |
| adj |
adjacent |
| admin |
administration |
| ADR |
Advisory
Route |
| advs |
advise |
| advsy |
advisory |
| AEIS |
Aeronautical
Enroute Information Service |
| AFA |
Army Flight
Activity |
| AFB |
Air Force
Base |
| afct |
affect |
| AFFF |
Aqueous
Film Forming Foam |
| AFHP |
Air Force
Heliport |
| AFIS |
Aerodrome
Flight Information Service |
| afld |
airfield |
| AFR |
Air Force
Regulation |
| AFRS |
Air Forces
Radio Stations |
| AG |
Agriculture |
| A/G |
Air to
Ground |
| A-G |
Arresting
Gear |
| agcy |
agency |
| A-gear |
Arrester
gear |
| AGL |
Above
Ground Level |
| AHP |
Army
Heliport |
| AAIA |
Area of
Intense Air Activity |
| AIP |
Aeronautical
Information Publication |
| AIS |
Aeronautical
Information Service |
| AL |
Approach
and Landing charts |
| ALF |
Auxiliary
Landing Field |
| ALS |
Approach
Light System |
| ALSF-1 |
High
Intensity ALS Category 1 with sequenced flashers |
| ALSF-2 |
High
Intensity ALS Category 2 with sequenced flashers |
| alt |
altitude |
| altn |
alternate |
| AM |
Amplitude
Modulation |
| amdt |
amendment |
| AMSL |
Above Mean
Sea Level |
| ANGS |
Air
National Guard Station |
| ant |
antenna |
| AP |
Area
Planning |
| APAPI |
Abbreviated
Precision Approach Path Indicator |
| apch |
approach |
| apn |
apron |
| app |
approach |
| APP |
Approach
control |
| Apr |
April |
| APU |
Auxiliary
Power Unit |
| aprx |
approximate |
| apv |
approve |
| apvl |
approval |
| ARA |
Airspace
Restricted Area |
| ARB |
Air Reserve
Base |
| ARCAL |
Aircraft
radio Control of Aerodrome Lighting |
| ARINC |
Aeronautical
radio Inc |
| arng |
arrange |
| ARP |
Aerodrome
Reference Point |
| arpt |
airport |
| arr |
arrive |
| ARS |
Air Reserve
Station |
| ARSA |
Airport
Radar Service Area |
| ARSR |
Air Route
Surveillance Radar |
| ARTCC |
Air Route
Traffic Control Center |
| AS |
Air Station |
| ASAP |
as soon as
possible |
| ASDA |
Acceleration
Stp Distance Available |
| asgn |
assign |
| ASL |
Above Sea
Level |
| ASOS |
Automated
Surface Observation System |
| ASR |
Airport
Surveillance Radar |
| ASR |
Approach
Surveillance Radar |
| ASU |
Aircraft
Starting Unit |
| ATA |
Actual Time
of Arrival |
| ATC |
Air Traffic
Control |
| ATCC |
Air Traffic
Control Center |
| ATCRU |
Air Traffic
Control Radar Unit |
| ATD |
Actual Time
of Departure |
| ATIS |
Automatis
Terminal Information Service |
| ATS |
Air Traffic
Services |
| attn |
attention |
| ATZ |
Aerodrome
Traffic Zone |
| Aug |
August |
| auth |
authority |
| auto |
automatic |
| AUW |
All Up
Weight (gross weight) |
| aux |
auxiliary |
| AVASI |
Abbreviated
VASI |
| avbl |
available |
| AvGas |
Aviation
Gasoline |
| avn |
aviation |
| AvOil |
Aviation
Oil |
| AvTur |
Aviation
Turbine Fuel |
| AWOS |
Automated
Weather Observation System |
| awt |
await |
| awy |
airway |
| az |
azimuth |
|
|
| BA |
Braking
Action |
| BASH |
Bird
Aircraft Strike Hazard |
| BBm |
Back Beam |
| BC |
Back Course |
| bcn |
beacon |
| bcst |
broadcast |
| BCU |
Bird
Control Unit |
| bdry |
boundary |
| bldg |
building |
| blkd |
blocked |
| Bn |
Beacon |
| blw |
below |
| brg |
bearing |
| btn or
btwn |
between |
| BTVOR |
Broadcast
Weather Terminal VOR |
| bus |
business |
| BVOR |
Weather
Broadcast VOR |
| BVORTAC |
VORTAC with
weather broadcast |
| byd |
beyond |
|
|
| C |
Customs |
| CAA |
Civil
Aviation Authority |
| CAC |
Centralized
Approach Control |
| cap |
capacity |
| CAS |
Controlled
Airspace |
| CAT |
Clear Air
Turbulence |
| cat |
category |
| cct |
circuit |
| CCW |
counterclockwise |
| ceil |
ceiling |
| CERAP |
Center
Radar Approach Control |
| CET |
Central
European Time |
| CGAF |
Coast Guard
Air Facility |
| CGAS |
Coast Guard
Air Station |
| CH |
Channel |
| CHAG |
Chain
Arresting Gear |
| chan |
channel |
| CHAPI |
Chase
Helicopter Approach Path Indicator |
| chg |
change |
| cht |
chart |
| cir |
circle,
circling |
| circ |
circling |
| civ |
civil,
civilian |
| ck |
check |
| CL |
Centerline
Lighting System |
| cl |
class |
| clnc |
clearance |
| clsd |
closed |
| cnl |
cancel |
| cntclkws |
counterclockwise |
| cntr |
center |
| Co |
Company,
County |
| com |
communication |
| coml |
commercial |
| compul |
compulsory |
| comsn |
commission |
| con |
control |
| conc |
concrete |
| cond |
condition |
| const |
construction |
| cont |
continue -
continuous |
| conv |
conventional |
| coord |
coordinate |
| copter |
helicopter |
| corr |
correct |
| crdr |
corridor |
| cros |
cross |
| CRP |
Compulsory
Reporting Point |
| crs |
course |
| CS |
call sign |
| C/S or
c/s |
call sign |
| CSTMS |
Customs |
| CTA |
Control
Area |
| ctc |
contact |
| ctl |
control |
| ctlr |
controller |
| CTLZ |
Control
Zone |
| ctn |
caution |
| CTR |
Control
Region/Zone |
| CVFR |
Control
Visual Flight Rules Area |
| CW |
clockwise |
| CW |
Continuous
Wave |
|
|
| d |
discrete |
| DA |
Decision
Altitude |
| DATIS |
Digital
Automatic terminal Information Service |
| daylt |
daylight |
| db |
decibel |
| DBVOR |
Doppler VOR
with weather broadcast |
| DBVORTAC |
Doppler
VORTAC with weather broadcast |
| dct |
direct |
| dctr |
director |
| Dec |
December |
| DECCA |
DECCA
navigator |
| decom |
decommission |
| deg |
degree |
| dep |
depart |
| DEP |
Departure
Control |
| destn |
destination |
| det |
detachment |
| DF |
Direction
Finder |
| DH |
Decision
Height |
| direc |
directional |
| dissem |
disseminate |
| displ |
displaced |
| dist |
distance |
| dist |
district |
| div |
division |
| DLA |
delay |
| dlt |
delete |
| dly |
daily |
| DME |
Distance
Measuring Equipment |
| dng |
danger |
| drct |
direct |
| DSB |
Double Side
Band |
| dspld |
displaced |
| DST |
Daylight
Saving Time |
| DT |
Daylight
saving Time |
| DTVOR |
Doppler
Terminal VOR |
| dur |
during |
| DVOR |
Doppler
VOR |
| DVORTAC |
Doppler
VORTAC |
| DZ |
Drop
Zone |
|
|
| E |
East |
| ea |
each |
| EAT |
Expected
Approach Time |
| ECN |
Enroute
Change Notice |
| EET |
Estimated
Enroute/Elapsed Time |
| eff |
effect |
| E-HA |
Enroute-High
Altitude |
| E-LA |
Enroute-Low
Altitude |
| elev |
elevation |
| emerg |
emergency |
| eng |
engine |
| eqpt |
equipment |
| E-S |
Enroute
Supplement |
| est |
estimate |
| estab |
establish |
| ESWL |
Equivalent
Single Wheel Loading |
| ETA |
Estimated
Time of Arrival |
| ETD |
Estimeted
Time of Departure |
| ETE |
Estimated
Time Enroute |
| ETO |
Estimated
Time Over |
| EUR |
European -
Europe |
| ev |
every |
| evac |
evacuate |
| ex or
exc |
except |
| excld |
exclude |
| exer |
exercise |
| exm |
exempt |
| exp |
expect |
| ext or
extn |
extend -
extension |
| extv |
extensive |
|
|
| FAA |
Federal
Aviation Authority |
| fac |
facility |
| FAF |
Final
Approach Fix |
| FAWS |
Flight
Advisory Weather Service |
| fax |
fac-simile |
| FBO |
Fixed Base
Operator |
| FCG |
Foreign
Clearance Guide |
| fcst |
forecast |
| Feb |
February |
| FIC |
Flight
Information Center |
| FIH |
Flight
Information Handbook |
| FIR |
Flight
Information Region |
| FIS |
Flight
Information Service |
| FL |
Flight
Level |
| fld |
field |
| flg |
flashing |
| FLIP |
Flight
Information Publication |
| flt |
flight |
| flw |
follow |
| FM |
Fan Marker |
| FM |
Frequency
Modulation |
| FOC |
Flight
Operations Center |
| FOD |
Foreign
Object Damage |
| fone |
telephone |
| FPD |
Flight
Planning Document |
| FPL or
Flt Pln |
Flight Plan |
| fpm |
feet per
minute |
| fr |
from |
| freq |
frequency -
frequent |
| Fri |
Friday |
| frng |
firing |
| FSS |
Flight
Service Station |
| ft |
foot, feet |
| ftr |
fighter |
| F/W |
Fixed Wing |
| FWA |
Flight
Watch Area |
| FWC |
Flight
Watch Center |
|
|
| GA |
Glide Angle |
| gal or
gall |
gallon |
| GAT |
General Air
Traffic |
| GCA |
Ground
Control Approach |
| GCO |
Ground
Communication Outlet |
| GMT |
Greenwich
Mean Time |
| gnd |
ground |
| GND |
Ground
Control |
| govt |
government |
| GP |
Glide Path |
| Gp |
Group |
| GPI |
Ground
Point of Intercept |
| grad |
gradient |
| grd |
guard |
| GS |
Glide Slope |
| GWT |
Gross
Weight |
|
|
| H |
Health |
| H24 |
24 hours a
day - continuous operation |
| HAA |
Height
Above Airport |
| HAL |
Height
Above Landing area |
| HAR |
Height
Above Runway |
| HAT |
Height
Above Touchdown |
| haz |
hazard |
| hdg |
heading |
| HDTA |
High
Density Traffic Aerodrome |
| Heli |
Helicopter |
| HF |
High
Frequency |
| hgr |
hangar |
| hgt |
height |
| hi |
high |
| HI |
High
Intensity |
| HIRL |
High
Intensity Runway Lights |
| HIRTA |
High
Intensity radio Transmission Area |
| HIWAS |
Hazardous
Inflight Weather Advisory Service |
| HJ |
From
Sunrise to sunset |
| hkwr |
hookwire |
| HLS |
Helicopter
Landing Site |
| HN |
From sunset
to sunrise |
| HO |
Hours of
Operation |
| hol |
holiday |
| HOLF |
Helicopter
Outlying Field |
| hosp |
hospital |
| HPOX |
High
Pressure Oxygen |
| HPZ |
Helicopter
Protected Zone |
| HQ |
Headquarters |
| hr |
hour |
| HS |
Hours
scheduled |
| hsg |
housing |
| hvy |
heavy |
| HW |
Heavy
Weight |
| hwy |
highway |
| HX |
no specific
working hours |
| Hz |
Hertz |
|
|
| I |
Immigration |
| IAF |
Initial
Approach Fix |
| IAM |
Instrument
Approach Minima |
| IAS |
Indicated
Airspeed |
| IAW |
in
accordance with |
| IBN |
Identification
Beacon |
| ICAO |
International
Civil Aviation Organization |
| ICF |
Initial
Contact Frequency |
| ident |
identification |
| IFF |
Identification,
Friend or Foe |
| IFR |
Instrument
Flight Rules |
| IFSS |
International
Flight Service Station |
| ILS |
Instrument
Landing System |
| IM |
Inner
Marker |
| IMC |
Instrument
Meteorological Conditions |
| IMG |
Immigration |
| immed |
immediate |
| inactv |
inactive |
| inbd |
inbound |
| inc |
incorporated |
| incl |
include -
inclusive |
| indef |
indefinite |
| info |
information |
| init |
initial |
| inop |
inoperative |
| inst |
instrument |
| instl |
installation |
| instr |
instruction |
| int |
intersection |
| intcntl |
intercontinental |
| intcp |
intercept |
| intl |
international |
| intmt |
intermittent |
| ints |
intense |
| ISMLS |
Interim
Standard Micro-wave Landing System |
|
|
| JASU |
Jet
Aircraft Starting Unit |
| JATO |
Jet
Assisted Take-Off |
| Jan |
January |
| J-Bar |
Jet Barrier |
| jnt |
joint |
| JRB |
Joint
Reserve Base |
| Jul |
July |
| Jun |
June |
|
|
| K or kt |
knots |
| kg |
kilograms |
| kHz |
kilohertz |
| KIAS |
Indicated
Airspeed in nots |
| km |
kilometer |
| kt or K |
knots |
| KTAS |
True
Airspeed in knots |
| kw |
kilowatt |
|
|
| L |
Locator |
| LA |
Low
Altitude |
| LARS |
Lower
Airspace Radar Service |
| LAS |
Lower
Airspace Service |
| lb |
pound
(weight) |
| LCG |
Load
Classification Group |
| lcl |
local |
| LCN |
Load
Classification Number |
| lctd |
located |
| lctn |
location |
| lctr |
locator |
| LCVASI |
Low Cost
Visual Approach Slope Indicator |
| lczr |
localizer |
| LDA |
Landing
Distance Available |
| ldg |
landing |
| LDIN |
Lead-In
lights |
| len |
length |
| lgt |
light |
| lgtd |
lighted |
| LHC |
Left Hand
Circuit |
| LHOX |
Low and
High Pressure Oxygen |
| LHS |
Left Hand
Side |
| LI |
Low
Intensity |
| LIRL |
Low
Intensity Runway Lights |
| LITAS |
Low
Intensity Two colors Approach Slope indicator |
| LLWAS |
Low Level
Wind Shear Alert System |
| LLZ |
Localizer |
| lo |
low |
| loAlt |
Low
Altitude |
| LOC |
Localizer |
| LOX |
Liquid
Oxygen |
| LPOX |
Low
Pressure Oxygen |
| LR |
Long Range |
| LR |
Lead Radial |
| LRA |
Landing
Rights Airport |
| LSB |
Lower Side
Band |
| ltd |
limited |
| Ltrs |
liters |
|
|
| M |
magnetic |
| m |
meters |
| MA |
Minor
Airfield |
| MACC |
Military
Area Control Center |
| mag |
magnetic |
| maint |
maintain -
maintenance |
| maj |
major |
| MALS |
Medium
intensity Approach Lighting System |
| MALSF |
MALS with
sequenced Flashers |
| MALSR |
MALS with
Runway alignment indicator lights |
| Mar |
March |
| MARA |
Military
Activity Restricted Area |
| MAS |
Middle
Airspace Service |
| MATO |
Military
Air Traffic Operations |
| MATZ |
Military
Aerodrome Traffic Zone |
| max |
maximum |
| mb |
millibars |
| MCAS |
Marine
Corps Air Station |
| MCB |
Marine
Corps Base |
| MDA |
Minimum
Descent Altitude |
| MDH |
Minimum
Descent Height |
| MEA |
Minimum
Enroute Altitude |
| med |
medium |
| MEHT |
Minimum Eye
Height over Threshold |
| mem |
memorial |
| MET |
Meteorological
- Meteorology |
| METAR |
Aviation
Routine weather report |
| MF |
Medium
Frequency |
| MFA |
Minimum
Flight Altitude |
| MFL |
Minimum
Flight Level |
| mgr |
manager |
| MHz |
Megahertz |
| mil |
military |
| min |
minimum |
| min |
minute |
| MIRL |
Medium
Intensity Runway Lights |
| mkr |
marker |
| MLS |
Micro-wave
Landing System |
| MM |
Middle
Marker |
| MMLS |
Mobile
Micro-wave Landing System |
| mnm |
minimum |
| mnt |
monitor |
| MOA |
Military
Operations Area |
| MOCA |
Minimum
Obstacle Clearance Altitude |
| mod |
modify -
modified |
| Mon |
Monday |
| MP |
Maintenance
Period |
| MR |
Medium
Range |
| MRA |
Minimum
Reception Altitude |
| mrk |
mark -
marker |
| MRSA |
Mandatory
Radar Service Area |
| MSD |
Minimum
Separation Distance |
| msg |
Message |
| MSL |
Mean Sea
Level |
| msn |
mission |
| mt |
mount -
mountain |
| MTA |
Military
Training Area |
| MTAF |
Mandatory
Traffic Advisory Frequency |
| MTCA |
Military
Terminal Control Area |
| mthly |
monthly |
| MTOW |
Maximum
Take-Off Weight |
| MTWA |
Maximum
Total Weight Authorized |
| MUAC |
Military
Upper Area control Center |
| muni |
municipal |
|
|
| N |
²North |
| N/A |
Not
Applicable |
| NA or
NAP |
Noise
Abatment Procedure |
| NA |
Not
Authorized |
| NAF |
Naval Air
Facility |
| NAP or
NA |
Noise
Abatment Procedure |
| NAS |
Naval Air
Station |
| NAT |
North
Atlantic |
| natl |
national |
| nav |
navigation |
| navaid |
navigation
aid |
| NCRP |
Non
Compulsory Reporting Point |
| NDB |
Non-Directional
Beacon |
| NE |
North-East |
| nec |
necessary |
| ngt |
night |
| NM |
Nautical
Miles |
| nml |
normal |
| N° or
Nr |
Number |
| NORDO |
Non Radio
Aircraft |
| NOTAM |
Notice to
Airmen |
| Nov |
November |
| Nr or N° |
Number |
| NS |
Naval
Station |
| NS ABTMT |
Noise
Abatment |
| nstd |
non
standard |
| ntc |
notice |
| NU |
Not Usable |
| NW |
North-West |
|
|
| O/A |
on or about |
| OACC |
Oceanic
Area Control Center |
| OAT |
Operational
Air Traffic |
| obsn |
observation |
| obst |
obstruction |
| OCA |
Obstacle
Clearance Altitude |
| OCA |
Oceanic
Control Area |
| occ |
occulting |
| OCH |
Obstacle
Clearance Height |
| OCL |
Obstacle
Clearance Limit |
| ocnl |
occasional |
| Oct |
October |
| ODALS |
Omnidirectional
Approach Lighting System |
| O/H |
Overhead |
| OIC |
Officer In
Charge |
| ODO |
Operations
Duty Officer |
| offl |
official |
| OLF |
Outlying
Field |
| OLS |
Optical
Landing System |
| OM |
Outer
Marker |
| opr |
operate -
operator |
| OPS |
Operations |
| O/R |
on request |
| orig |
original |
| OROCA |
Off Route
Obstacle Clearance Altitude |
| ORTCA |
Off Route
Terrain Clearance Altitude |
| O/S |
out of
service |
| OT |
Other Times |
| outbd |
outbound |
| ovrn |
overrun |
| OX |
oxygen |
| OXRB |
Oxygen
Replacement Bottles |
| Oxy |
Oxygen |
|
|
| PAC |
Pacific |
| PALS |
Precision
Approach and Landing System |
| PAPA |
Parralax
Aircraft Parking Aid |
| PAPI |
Precision
Approach Path Indicator |
| PAR |
Precision
Approach Radar |
| parl |
paralle |
| para |
parachute |
| para |
paragraph |
| pat |
pattern |
| PAX |
passenger |
| PCN |
Pavement
Classification Number |
| PCSV |
Pilot to
Controller Service |
| pent |
penetrate |
| perm |
permanent |
| perms |
permission |
| pers |
personnel |
| PFSV |
Pilot to
Forecaster Service |
| PJE |
Parachuting
Activities / Exercise |
| pkg |
parking |
| P/L |
plain
language |
| PLASI |
Pulse Light
Approach Slope Indicator |
| p-line |
pole/power
line |
| PM |
Post
Meridian |
| PN |
Prior
Notice |
| PNR |
Prior
Notice Required |
| POB |
Persons/People
On Board |
| POL |
Petrol,
Oils and Lubricants |
| posn |
position |
| PPR |
Prior
Permission Required |
| prcht |
parachute |
| pref |
prefer -
preferrence |
| prev |
previous |
| prim |
primary |
| prk |
park -
parking |
| pro |
procedure |
| proh |
prohibited |
| pt |
point |
| pub |
publication |
| publ |
publish |
| PVASI |
Pulsating
Visual Approach Slope Indicator |
| pvt |
private |
| pwr |
power |
|
|
| QDM |
Magnetic
heading to facility (bearing) |
| QDR |
Magnetic
heading from facility (radial) |
| QFE |
Altimeter
Setting at station |
| QFU |
Magnetic
Orientation of runway |
| QNE |
Altimeter
Setting 1013.25 hPa or 29.92 inches which provides height
above standard datum plane |
| QNH |
Altimeter
setting which provides height above mean sea level |
| qtrs |
quarters |
| quad |
quadrant |
|
|
| RACON |
Radar
Beacon |
| rad |
radius -
radial |
| RAIL |
Runway
Alignment Indicator Lights |
| RAMP |
Ramp
Control |
| RAPCON |
Radar
Approach Control |
| RAS |
Radar
Advisory Service |
| RCC |
Rescue
Coordination Center |
| RCF |
Radio
Communication Failure |
| RCL |
Runway
Centerline Lighting |
| RCO |
Remote
Communications Outlet |
| rcpt |
reception |
| RCR |
Runway
Condition Reading |
| rcv |
receive |
| rcvr |
receiver |
| RDA |
Runway
Deicing Agent |
| rdo |
radio |
| reconst |
reconstruct |
| REIL |
Runway End
Identifier Lights |
| reful |
refuel -
refueling |
| reg |
regulation
- regular |
| rel |
reliable |
| relctd |
relocated |
| REP |
Reporting
Point |
| req |
request |
| RGN |
Region |
| RGNL |
Regional |
| rgt |
right |
| RHAG |
Rotary
Hydraulic Arrester Gear |
| RHC |
Right Hand
Circuit |
| RHS |
Right Hand
Side |
| RIS |
Radar
Information Service |
| rlgd |
realigned |
| rmk |
remark |
| rng |
range |
| RNP |
Required
Navigation Performance |
| RON |
Remain
Overnight |
| Rot Lt |
Rotating
Light |
| RPI |
Runway
Point of Intercept |
| RPL |
Repetitive
Flight Plan |
| RPS |
Regional
Pressure Setting |
| rpt |
report |
| rqr |
require |
| RR |
Railroad |
| RRP |
Runway
Reference Point |
| RSR |
Route
Surveillance Radar |
| RSRS |
Reduced
Same Runway Separation |
| rstd |
restricted |
| R/T |
radiotelephony
- radiotelephone |
| rte |
route |
| ruf |
rough |
| RVR |
Runway
Visual Range |
| R/W |
Rotary Wing |
| rwy |
runway |
|
|
| S |
South |
| SAFE BAR |
Safeland
Barrier |
| SALS |
Short
Approach Lighting System |
| SAR |
Search And
rescue |
| Sat |
Saturday |
| SAVASI |
Simplified
Abbreviated Visual Approach Slope Indicator |
| sby |
stand-by |
| Sched |
scheduled
services |
| sctr |
sector |
| S/D |
Seadrome |
| SDF |
Simplified
Directional Facility |
| SE |
South-East |
| sec |
second -
section |
| secd |
secondary |
| SELCAL |
Selective
Calling System |
| SEng |
Single
Engine |
| Sep |
September |
| SFA |
Single
Frequency Approach |
| sfc |
surface |
| SFL |
Sequenced
Flashing Lights |
| SID |
Standard
Instrument Departure |
| SIF |
Selective
Identification Feature |
| SIGMET |
Information
in plain language concerning certain meteorological
phenomena |
| sked |
schedule |
| SM |
Statute
Miles |
| SOF |
Supervisor
Of Flying |
| SPRAG |
Spray
Arrester Gear |
| SPS |
Standard
Pressure Setting |
| SR |
Sunrise |
| SRA |
Special
Rules Area |
| SRE |
Surveillance
Radar Element/Equipment |
| SRZ |
Special
Rules Zone |
| SS |
Sunset |
| SSALS/R |
Simplified
Short Approach Lighting System / with RAIL |
| SSB |
Single Side
Band |
| SSR |
Secondary
Surveillance Radar |
| STAR |
Standard
(Terminal) Arrival Route |
| std |
standard |
| stn |
station |
| STOL |
Short
Take-Off and Landing |
| stor |
storage |
| str-in |
straight-in |
| stu |
student |
| subj |
subject |
| sum |
summer |
| Sun |
Sunday |
| sur |
surround |
| survl |
survival -
surveillance |
| suspd |
suspended |
| svc |
service |
| svcg |
servicing |
| SW |
South-West |
| swy |
stopway |
| sys |
system |
|
|
| TA |
Transition
Altitude |
| TACAN |
Tactical
Air Navigation aid |
| TAF |
Terminal
Airport Forecast |
| TAP |
Terminal
Approach Procedures |
| TCA |
Terminal
Control Area |
| TCH |
Threshold
Crossing Height |
| TCTA |
Transcontinental
Control Area |
| TD |
Touchdown |
| TDWR |
Terminal
Doppler Weather Radar |
| TDZ |
Touchdown
Zone |
| TDZE |
Touchdown
Zone Elevation |
| TDZL |
Touchdown
Zone Lights |
| term |
terminates |
| tfc |
Traffic |
| thld |
threshold |
| thou |
thousand |
| thru |
through |
| Thu |
Thursday |
| til |
until |
| tkof |
take-off |
| TL |
Transition
Level |
| TMA |
Terminal
Area |
| tmpry |
temporary |
| TODA |
Take-Off
Distance Available |
| TORA |
Take-Off
Runway Available |
| TP |
Tire
Pressure |
| tpt |
transport |
| TRACON |
Terminal
Radar Approach Control |
| tran |
transcient |
| trans |
transmit |
| trml |
terminal |
| trng |
training |
| trns |
transition |
| TRSA |
Terminal
Radar Service Area |
| Tue |
Tuesday |
| TV |
television |
| T-VASIS |
T Visual
Approach Slope Indicator System |
| TVOR |
Terminal
VOR |
| TWEB |
Transcribed
Weather Broadcast |
| twr |
tower |
| twy |
taxiway |
| tx |
transmission
- transceiver |
|
|
| UACC |
Upper Area
Control Center |
| UAR |
Upper Air
Route |
| UAS |
Upper Area
Service |
| UCN |
Urgent
Change Notice |
| UDA |
Upper
Advisory Area |
| UDF |
UHF
Direction Finder |
| UDR |
Upper
Advisory Route |
| UFN |
Until
Further Notice |
| UHF |
Ultra High
Frequency |
| UIC |
Upper
Flight Information Center |
| UIR |
Upper
Flight Information Region |
| unauthd |
unauthorized |
| unavbl |
unavailable |
| unctl |
uncontrolled |
| unk |
unknown |
| unlgtd |
unlighted |
| unltd |
unlimited |
| unmrk |
unmarked |
| unmto |
unmonitored |
| unrel |
unreliable |
| unspec |
unspecified |
| unrstd |
unrestricted |
| unsatfy |
unsatisfactory |
| unsked |
unscheduled |
| u/s or
unsvc |
unserviceable |
| unsvc or
u/s |
unserviceable |
| unuse |
unuseable |
| USB |
Upper Side
Band |
| UTA |
Upper
Control Area |
| UTC |
Coordinated
Universal Time |
|
|
| VAL |
Visiting
Aircraft Line |
| VASI/S |
Visual
Approach Slope Indicator/System |
| vcnty |
vicinity |
| VDF |
VHF
Direction Finder |
| veh |
vehicle |
| vert |
vertical |
| VFR |
Visual
Flight Rules |
| VHF |
Very High
Frequency |
| VIP |
Very
Important Person |
| vis |
visibility |
| VMC |
Visual
Meteorological Conditions |
| VOLMET |
Meteorological
Information for aircraft in flight |
| VOR |
VHF
Omnidirectional Range |
| VORTAC |
Mixed TACAN
and VOR |
| VRP |
Visual
Reporting Point |
| V/STOL |
Vertical/Short
Take-Off and Landing |
| VTOL |
Vertical
Take-Off and Landing |
|
|
| W |
West |
| W |
watt |
| Wed |
Wednesday |
| WEF |
With Effect
From |
| Wg |
Wing |
| WIE |
with
immediate effect |
| win |
winter |
| WIP |
work in
progress |
| wk |
week |
| wkd |
weekday |
| wkly |
weekly |
| wng |
warning |
| wo |
without |
| wt |
weight |
| w/t |
wireless
telegraphy |
| wx |
weather |
|
|
| yd |
yard |
| yr |
year |
|
|
| Z |
Zulu =
Greenwich Mean Time |
