QFE Field Elevation Atmosphere Pressure
QFU Runway Heading
QNH Sea Level Atmosphere Pressure

RA Radio Altimeter Resolution Advisory
RAT Ram Air Turbine
RBS Radio Beacon System
RF Radius to Fix
RH Right Hand
RLD Required Landing Distance

RNAV Area Navigation
RNP Required Navigation Performance
ROP Runway Overrun Protection
ROPS Runway Overrun Prevention System
ROW Runway Overrun Warning
RVR Runway Visual Range
RVSM Reduced Vertical Separation Minima

SA Single Aisle
SAAAR Special Aircrew and Aircraft Authorization Required
SAC Single Annular Combustor
SAC-TI Single Annular Combustor- Tech Insertion
SAL Steep Approach Landing
SAT Static Air Temperature
SATCOM Satellite Communication
SB Service Bulletin
SD System Display
SDF Simplified Directional Facility
SEC Spoiler Elevator Computer
SES Single European Sky
SFCC Slat Flap Control Computer
SIL Service Information Letter
SRS Speed Reference System
STAT INV Static Inverter
SWY Stopway

TA Traffic Advisory
TAB Tabulation and Interpolation Program
TAT Total Air Temperature
TAWS Terrain Awareness and Warning System
TCAS Traffic Alert and Collision Avoidance System
TDU Temporary Documentary Unit
TGL Temporary Guidance Leaflet
TI Tech Insertion
TO Takeoff
TOD Takeoff Distance

TODA Takeoff Distance Available
TOGA Takeoff - Go-Around
TOR Takeoff Run
TORA Takeoff Run Available
TR Temporary Revision
TRU Transformer Rectifer Unit

V1 Takeoff Decision Speed
V2 Takeoff Safety Speed
VA Maximum Design Maneuvering Speed
VALPHAMAX Speed at Alpha-Max
VAPP Final Approach Speed
VC Design Cruise Speed
V/DEV Vertical Deviation
VDL VHF Data Link
VFE Maximum Flap Extended Speed
VFR Visual Flight Rules
VHF Very High Frequency
VLE Max L/G Extended Speed
VLO Max L/G Operating Speed
VLOF Lift-Off Speed
VLS Lowest Selectable Speed
VMC Visual Meteorological Conditions
VMCA Minimum Control Airspeed
VMCG Minimum Control Speed Ground
VMIN Minimum Operating Speed
VMIN 1G Minimum Operating Speed under 1g Load Factor
VMO Maximum Operating Speed
VNAV Vertical Navigation
VOR VHF Omnidirectional Range
VR Rotation Speed
VREF Landing Reference Speed
VS1G Stall Speed under 1g Load Factor
VSW Stall Warning Speed

WBM Weight and Balance Manual
WV Weight Variant
WX Weather mode (ND)

ZFCG Zero Fuel Center of Gravity
Zp Pressure Altitude