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A
AC: Alternating Current
ACARS: Aircraft Communications Addressing and Reporting System
ACT: Active
ADC: Air Data Computer - Classics
ADF: Automatic Direction Finder
ADIRS: Air Data Inertial Reference System
ADIRU: Air Data Inertial Reference Unit - NG's
ADM: Air Data Module
AFDS: Autopilot Flight Director System
AFM: Airplane Flight Manual
AGL: Above Ground Level
AI: Anti–Ice
AIL: Aileron
ALT: Altitude
ALTN: Alternate
ANP: Actual Navigation Performance
ANS: Alternate Navigation System
AOA: Angle of Attack
A/P: Autopilot
APU: Auxiliary Power Unit
ARINC: Aeronautical Radio, Incorporated
ARPT: Airport
ATA: Actual Time of Arrival
ATC: Air Traffic Control
ATT: Attitude
AUTO: Automatic
AVAIL: Available
B
BARO: Barometric
BRT: Bright
BTL DISCH: Bottle Discharge (fire extinguishers)
B/C: Back Course
C
C: Captain
C: Celsius
C: Center
CANC/RCL: Cancel/Recall
CB: Circuit Breaker
CG: Center of Gravity
CDU: Control Display Unit
CHKL: Checklist
CLB: Climb - FMC page
COMM: Communication
CON: Continuous
CONFIG: Configuration
CRZ: Cruise - FMC page
CSD: Constant Speed Drive
CTL: Control
D
DC: Direct Current
DDG: Dispatch Deviations Guide
DEP ARR: Departure Arrival
DES: Descent - FMC page
DEU: Display Electronic Unit
DISC: Disconnect
DME: Distance Measuring Equipment
DSP: Display Select Panel
DSPL: Display
E
E/D: End of Descent
EADI: Electronic Attitude Display Indicator
EEC: Electronic Engine Control
EFIS: Electronic Flight Instrument System
EGPWS: Enhanced Ground Proximity Warning System
EGT: Exhaust Gas Temperature
EHSI: Electronic Horizontal Situation
Indicator
ELEC: Electrical
ELEV: Elevator
ENG: Engine
EO: Engine Out
EPR: Engine Pressure Ratio
EXEC: Execute
EXT: Extend
E/E: Electrical and Electronic
F
F: Fahrenheit
FADEC: Full Authority Digital Engine Control
FCTL: Flight Control
F/D or FLT DIR: Flight Director
FMC: Flight Management Computer
FMS: Flight Management System
F/O: First Officer
FOD: Foreign Object Damage
FPA: Flight Path Angle
FPV: Flight Path Vector
G
GA: Go–Around
GEN: Generator
GPS: Global Positioning System
GPWS: Ground Proximity Warning System
G/S: Glide Slope
H
HDG: Heading
HDG REF: Heading Reference
HDG SEL: Heading Select
HGS: Head-up Guidance System
HP: High Pressure
HPA: Hectopascals
HUD: Head-Up Display
I
IAS: Indicated Airspeed
IDENT: Identification - Transponder
function
IDG: Integrated Drive Generator
IN: Inches
IND LTS: Indicator Lights
ILS: Instrument Landing System
INBD: Inboard
INOP: Inoperative
INTC CRS: Intercept Course
IRS: Inertial Reference System
ISLN: Isolation
K
K or Kts: Knots
KGS: Kilograms
L
L: Left
LBS: Pounds
LDG ALT: Landing Altitude
LIM: Limit
LNAV: Lateral Navigation
LP: Low Pressure
LWR CTR: Lower Center
LWR DSPL: Lower Display
M
MAG: Magnetic
MAN: Manual
MCP: Mode Control Panel
MDA: Minimum Descent Altitude
MEL: Minimum Equipment List
MIN: Minimum
MMO: Maximum Mach Operating Speed
MOD: Modify
MTRS: Meters
N
NAV RAD: Navigation Radio
ND: Navigation Display
NG: Next Generation - 737 Series 600, 700, 800, 900, BBJ1 or BBJ2.
NM: Nautical Miles
NORM: Normal
N1: Low Pressure Rotor (Fan) Speed
N2: High Pressure Rotor (Core) Speed
O
OHU: Overhead Unit
OUTBD DSPL: Outboard Display
OVHD: Overhead
OVRD: Override
P
PASS: Passenger
Pax: Passengers
PCU: Power Control Unit
PERF INIT: Performance Initialization - FMC page
PF: Pilot Flying
PFC: Primary Flight Computers
PFD: Primary Flight Display
PNF: Pilot Not Flying
PNL: Panel
POS: Position
POS INIT: Position Initialization - FMC page
PRI: Primary
PSEU: Proximity Switch Electronic Unit
PSU: Passenger Service Unit
PTU: Power Transfer Unit
PWS: Predictive Windshear System
R
R: Right
RA: Radio Altitude
RA: Resolution Advisory
RECIRC: Recirculation
REF: Reference
RET: Retract
RF: Refill
RNP: Required Navigation Performance
RTO: Rejected Take-Off
S
S/C: Step Climb
SEL: Select
SPD: Speed
STA: Station
STAB: Stabilizer
STAT: Status
STD: Standard
T
T or TRU: True
T or TK or TRK: Track
TA: Traffic Advisory
TAT: Total Air Temperature
TCAS: Traffic Alert and Collision Avoidance System
TDZE: Touch Down Zone Elevation
T/D: Top of Descent
TFC: Traffic
THR HOLD: Throttle Hold
TO: Takeoff
TO/GA: Takeoff/Go–Around
U
UPR DSPL: Upper Display
UTC: Universal Time Coordinated
V
VMO: Maximum Operating Speed
VNAV: Vertical Navigation
VOR VHF: Omnidirectional Range
VR: Rotation Speed
VREF: Reference Speed
VSCF: Variable Speed Constant Frequency
VSD: Vertical Situation Display
VTK: Vertical Track
V/S: Vertical Speed
V1: Takeoff Decision Speed
V2: Scheduled Takeoff Target Speed
W
WPT: Waypoint
WXR: Weather Radar
X
XTK: Cross Track
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Abbreviations
