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Term or
Abbreviation
Definition
PFD Primary Flight Display
PIC Pilot In Command
PIREPS Pilot REPorts
PNF
Pilot Not Flying
The PNF is sometimes referred to as the Pilot Monitoring to enhance
his/her role in terms or monitoring, cross-check and backup
QAR Quick Access Recorder
QFE
Actual atmospheric pressure at airport elevation
Altimeter setting required to read a height above airport elevation
QNH
Actual atmospheric pressure at sea level, based on actual atmospheric
pressure at station
Altimeter setting required to read an altitude above mean sea level
(MSL)
QRH Quick Reference Handbook
R/I Radio / Inertial navigation
RA
Depending on context:
Radio Altimeter, or
Resolution Advisory (see also TCAS)
Page 12 of 16
How to Use Briefing Notes
Glossary of Terms and Abbreviations Flight Operations Briefing Notes
Term or
Abbreviation
Definition
RA DH Radio Altimeter Decision Height
Raw Data
Raw navigation data: bearing and/or distance from aircraft to the tuned
navaid
REIL Runway End Identification Lights
Reversion
A mode reversion is a manual or automatic changeover from one AP
mode to another mode (usually, a lower level of automation) resulting
from:
- a pilot action (e.g., the selection of a lower level of automation or
the disengagement of a mode for manual reversion to the AP basic
mode); or,
- a system built-in condition (e.g., a guidance limit or an active flight
envelope protection); or,
- a failure or temporary loss of the engaged mode.
RMI Radio Magnetic Indicator
RNAV aRea NAVigation (i.e., lateral navigation based on defined waypoints)
RNP Required Navigation [accuracy] Performance
RVR Runway Visual Range
RVSM Reduced Vertical Separation Minima
SAT Static Air Temperature
Page 13 of 16
How to Use Briefing Notes
Glossary of Terms and Abbreviations Flight Operations Briefing Notes
Term or
Abbreviation
Definition
SDF Simplified Directional Facility
SID Standard Instruments Departure
SOPs Standard Operating Procedures
Stabilization Height
The height above airfield elevation or the height above touchdown (HAT)
at which the aircraft should be stabilized for the approach to be
continued; the stabilization height should be:
- 1000 ft in IMC
- 500 ft in VMC
STAR Standard Terminal ARrival
STD Standard altimeter setting (i.e., 1013.2 hPa or 29.92 in.hg)
TA Traffic Advisory (see also TCAS)
Target
A guidance target (e.g., a speed, heading, altitude, vertical speed, flight
path angle, track, course, etc) selected by the pilot on the appropriate
panel (FCU, FMS CDU or keyboard)
TAS True Air Speed
TAWS
Terrain Awareness and Warning System
TAWS is the term used by the European JAA and the U.S. FAA to
describe equipment meeting ICAO standards and recommendations for
ground-proximity warning system (GPWS) equipment that provides
predictive terrain-hazard warnings
Page 14 of 16
How to Use Briefing Notes
Glossary of Terms and Abbreviations Flight Operations Briefing Notes
Term or
Abbreviation
Definition
TCAS Traffic Collision Avoidance System (see also ACAS)
TDWR
Terminal Doppler Weather Radar
Weather radar capable of detecting areas of wind shear activity
TDZ Touch Down Zone
TDZE Touch Down Zone Elevation
TERPS
U.S. Standard for Terminal Instrument Approach Procedures
(FAR - Part 97)
TO WPT
Waypoint of the F-PLN flight plan considered by the FMS for immediate
lateral navigation guidance (in case of incorrect flight plan sequencing,
the TO WPT may happen to be behind the aircraft)
TOD Top Of Descent
Transition
A mode transition is a manual or automatic changeover from one AP
mode to another mode, resulting from:
- a pilot action (e.g., the selection of a new mode on the FCU,
as appropriate for the task or following an ATC instruction); or,
- an automatic mode sequencing resulting from a prior mode selection
involving several mode changes in sequence (e.g., altitude capture
changeover to altitude hold or selected heading changeover to localizer
capture then to localizer tracking)
V APP Final Approach Speed
Page 15 of 16
How to Use Briefing Notes
Glossary of Terms and Abbreviations Flight Operations Briefing Notes
Term or
Abbreviation
Definition
V MCL
Minimum control speed in landing configuration with the critical engine
inoperative
V REF
Reference approach speed (also referred to as threshold reference speed
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