Copyright: ® Bert van Dalen.


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Contents

Chapter 1

Two letter abbreviations

Chapter 2

Three letter abbreviations

Chapter 3

Other codes


Two letter abbreviations

A

C

D

E

F

G

H

I

L

M

N

O

P

Q

R

S

T

V

W

Z


Chapter 1 - Two letter abbreviations - A
A

AO	Passenger count in zone A (first class)

AL	Flight level


Chapter 1 - Two letter abbreviations - C
C

CG	Center of gravity

Cl	Cost index

CL	Cruising level

CL	Cruising level

CR	Company route

CW	Cruise wind

CZ	Cruising speed {KT knots or M mach}


Chapter 1 - Two letter abbreviations - D
D

DA	Departure aerodrome

DG	Drag factor

DP	Dew point

DS	Destination station

DX	Long Distance


Chapter 1 - Two letter abbreviations - E
E

E1-9	Engine parameters

EO	Estimated time over ;

ET	Estimated time


Chapter 1 - Two letter abbreviations - F
F

FB	Amount of fuel boarded

FC	Estimated further clearance

FD	Fuel over destination

FF	Fuel flow factor in pounds per hour

Fl	Flight Identification

FL	Flight level

FO	First officer

FR	Fault report prefix

FX	En route fix


Chapter 1 - Two letter abbreviations - G
G

GL	Geographical location


Chapter 1 - Two letter abbreviations - H
H

HD	Aircraft heading


Chapter 1 - Two letter abbreviations - I
I

IC	Aircraft icing

IN	Time in

IR	In range (of VHF radio) also Instrument Rated


Chapter 1 - Two letter abbreviations - L
L

LA	Identification of officer landing aircraft

LT	Light


Chapter 1 - Two letter abbreviations - M
M

MA	Message assurance

MN	Maintenance

MT	Maximum takeoff power computation

MU	Management Unit


Chapter 1 - Two letter abbreviations - N
N

N1	Speed of turbine 1

N2	Speed of turbine 2

NA	Navigation (NAV) aid

NL	Number of landings

NP	Next report point


Chapter 1 - Two letter abbreviations - O
O

OB	Passenger count in zone B (business class)

OC	Passenger count in zone C (coach class)

OF	Time off

ON	Time on

OP	Oil pressure

OS	Other supplementary information

OT	Time out or oil temperature

OV	Present location (over)


Chapter 1 - Two letter abbreviations - P
P

PB	Number of persons on board

PD	Point of departure

PW	Position weather


Chapter 1 - Two letter abbreviations - Q
Q

QN	Altimeter settings


Chapter 1 - Two letter abbreviations - R
R

RD	Departure runway

RF	Request flight level

Rl	Return in time

RL	Requesting cruising level

RM	Remarks

RO	Return on time

RQ	Request

RT	Route information

RL	Request cruising level


Chapter 1 - Two letter abbreviations - S
S

SA	Alternative aerodrome

Sl	Special communication addressing instruction

SK	Sky conditions

SL	SELCAL code

SP	Significant point

ST	Standard takeoff power


Chapter 1 - Two letter abbreviations - T
T

TA	Static air temperature

TB	Turbulence

TD	Takeoff temperature

TE	Time en route

TM	Surface air temperature

TO	Time over

TP	Transmission path


Chapter 1 - Two letter abbreviations - V
V

V1	Velocity 1	Can stop on runway - the velocity at which the pilot can still close throttles and stop safely.

VR	Rotate - Velocity at which the pilot pulls back on yoke.

VR	Runway visual range

V2	Velocity 2 full - velocity at which aircraft actually flies.


Chapter 1 - Two letter abbreviations - W
W

Wl	Weather

WP	Way point

WR	Warning prefix

WV	Wind information

WX	Weather


Chapter 1 - Two letter abbreviations - Z
Z

ZW	Zero fuel weight


Three letter abbreviations

A

B

C

D

E

F

G

H

I

L

M

N

O

P

Q

R

S

T

U

V

W

Z


Chapter 2 - Three letter abbreviations - A
A

ADF	Automatic direction finding

ADS	Automatic dependent surveillance

AEP	Fixed ICAO format position report with weather

AGM	Start of standard message

ALT(1)	Altitude

ALT(2)	Altimeter

AML	Aircraft Maintenance Log

APP	Approach

APU	Auxiliary power unit

ATA	Actual time of arrival

AUW	All up weight

AWD	Automated Weather Data


B

BBG	In reference to HAZMAT. cargo

BKN	Broken


Chapter 2 - Three letter abbreviations - C
C

CHP	Chop

CLR	Clear

CPT	Captain

CRZ	Used in conjunction with engine data (cruise)

CTL	Control

CVG	Covering


Chapter 2 - Three letter abbreviations - D
D

DAI	Display aircraft itinerary

DBI	Data base initialization-update

DDG	In reference to HAZMAT cargo

DDX	Display dispatch message

DEV	Display aircraft deviations

DFR	Display flight routing

DLD	In reference to cargo

DTX	Display text


Chapter 2 - Three letter abbreviations - E
E

EAC	Expect approach clearance

EDA	Engine data Follows

EDF	Engine data Follows

EFC	Expect final clearance

EGT	Exhaust Gas Thrust

ENG	Engine data

EOK	Everything "OK"

EON	Expected touchdown time

EPR	Exhaust pressure ratio

ERR	Error message

ERT	Estimated ramp time

ELT	Estimated Landing Time


Chapter 2 - Three letter abbreviations - F
F

FAA	Federal Aviation Administration

FDD	Flight data recorder information

FDR	Flight data recorder

FLR	Fault report

FLT	Flight

FMC	Flight Management Computer

FMS	Flight Management System

FOB	Fuel on board

FPR	Flight plan request

FQY	Frequency

FRM	Maintenance codes

FCS	Flight control systems

FTM	Used before way-point name


Chapter 2 - Three letter abbreviations - G
G

GEN	Generator

GPU	Ground power unit

GMT	Greenwich Mean Time


Chapter 2 - Three letter abbreviations - H
H

HDG	Heading


Chapter 2 - Three letter abbreviations - I
I

IAS	Indicated air speed

IDG	Integrated Drive Generator

IFR	Instrument flight rules


Chapter 2 - Three letter abbreviations - L
L

LEG	Flight sequence from engine start to next engine stop

LIF	Request for Load information (weight and balance)

LND	Landing

LOM	Locator outer marker

LWT	Landing weight


Chapter 2 - Three letter abbreviations - M
M

MAC	Deviation of center of gravity due to Loading in pct

MCH	Mach (aircraft speed)

MEL	Minimum essential list (maintenance codes)

MSA	Minimum safe altitude

MSF	Maintenance Support Facilities

MSL	Mean sea level


Chapter 2 - Three letter abbreviations - N
N

NDP	Non-directional beacon

NRP	No report (?)

NVD	No visual defects


Chapter 2 - Three letter abbreviations - O
O

OAT	Outside air temperature

OCA	Ocean control area

OCC	Occasional (weather)

OFF	Off time

OUT	Out time

OVR	Over


Chapter 2 - Three letter abbreviations - P
P

PAX	Passenger

PCU	Power control unit

POD	Point of descent

POS	Position

PWD	Predicted weather data


Chapter 2 - Three letter abbreviations - Q
Q

QFE	Airport elevation altimeter pressure setting

QNF	Mean sea level altimeter pressure setting


Chapter 2 - Three letter abbreviations - R
R

RCA	Reached cruise speed altitude

REV	In reference to cargo

RGS	Remote Ground Station

ROC	Rate of climb

ROD	Rate of descent

RVR	Runway visual range

RWY	Runway


Chapter 2 - Three letter abbreviations - S
S

SAT	Static air temperature

SMI	Standard message identifiers

SMT	Standard message text

STA	Station


Chapter 2 - Three letter abbreviations - T
T

TAS	True airspeed

TAT	True air temperature

T/O	Take off

TDX	With regards to fuel

TEI	Text element identifiers

TIS	ATIS information

TKO	Takeoff

TOG	Take Off gross Weight

TPS	Runway information

TRB	Turbulence

TYP	Type

TYP 1	Type 1 weather request

TYP 2	Type 2 weather request


Chapter 2 - Three letter abbreviations - U
U

UHF	Ultra High Frequency

UTC	Universal Coordinate Time


Chapter 2 - Three letter abbreviations - V
V

VEC	Vector

VHF	Very High Frequency

VOR	Very high frequency omni-directional radio range


Chapter 2 - Three letter abbreviations - W
W

WND	Wind (direction/velocity)

WOB	Weather observation

WRN	Warning

WXA	Weather at

WXR	Weather


Chapter 2 - Three letter abbreviations - Z
Z

FW	No Fuel Weight


Other codes

A

C

D

I

L

M

N

O

P

T

U

W

X


Chapter 3 - Other codes - A
A

ADNS	ARINC Data Network Service

APRCH	Approach

ARINC	Aeronautical Radio Inc.

ATIS	Automatic Terminal Information Service

ATISRQ	ATIS request

AWDAF	Automated Weather Data-Area Forecast

AWDFT	Automated Weather Data-Terminal Area Forecast

AWDSA	Automated Weather Data-Air route Forecast


Chapter 3 - Other codes - C
C

CFDIU	Combined Fault Data Indicator Unit

CLIMB	Climbing

CRUISE	Cruise level


Chapter 3 - Other codes - D
D

DESCEN	Descending

DFDAU	Digital Flight Data Acquisition Unit

DPTR	Departure


Chapter 3 - Other codes - I
I

IATA	International Air Transportation Association

ICAP	International Civil Aviation Organization

INCLIMB	In climb

INRANG	In range of (VHF)

INRP	In report

INOP	Inoperative


Chapter 3 - Other codes - L
L

LEVEL	Level flight

LIVE	Live cargo (animals)


Chapter 3 - Other codes - M
M

MAAS	Meet and assist

MDCU	Multi purpose Display and control unit

METREP	Meteo Report


Chapter 3 - Other codes - N
N

NON-FDE	Faults Non Critical Faults ,Aircraft is air worthy  usual cabin and lighting faults


Chapter 3 - Other codes - O
O

OFFRP	Off report

ONRP	On report

OUTRP	Out report


Chapter 3 - Other codes - P
P

PLTOKL	Internal addressing within Computer System

PA0DAL	Bert

PIREP	Pilot's report

POSWX	Position weather


Chapter 3 - Other codes - T
T

TRIM	Required Compensation of MAC


Chapter 3 - Other codes - U
U

UDCS	Undercast sky


Chapter 3 - Other codes - W
W

WCHR	Wheelchair

WXRQ	Weather request


X

XPDR	Transponder