Abbreviations and Definitions Flashcards
AAL
Above aerodrome level
ACARS
Aircraft communications addressing and reporting system
Adequate aerodrome
Meets runway requirements
Cat 4 firefighting within 30 minutes
AEO
All engines operating
ALLNC
Allowance
AOC
Airline operations control
APPCH & LDG fuel
fuel for visual flight from 1500ft to completion of landing run
Arrival allowance
Extra fuel to cover circuitous routing during the arrival
CFP
Computer generated flight plan
CMP
Configuration, Maintenance and procedures
COF
Crew on flight
Critical ETP
The ETP for the most critical sector of the route to be flown.
Either ETPD or ETP1D
Critical Equi-fuel point
The most critical point where Equi-fuel is available
DARP What is it?
Dynamic Airborne route planning
Process which allows the airline to take advantage of a new forecast and re-route the aircraft onto a new UPR
DDP
Diversion Decision point
Departure allowance
Fuel required when necessary to cover circuitous routing on the departure
EDTO
Extended diversion time operation
EDTO Entry/Exit point
Point where flight will enter/ exit a leg where the single engine, still air diversion time exceeds the threshold for that aircraft
ESAD
Equivalent still air distance
EROPS/ETOPS
Extended range operations
*Should be treated as synonymous with EDTO
Final reserve fuel
30 minutes flight at 1500ft above destination/alternate at holding speed
Flexi-track
An off airway route designated to take advantage of prevailing winds
IFSD
In flight shutdown
INTER
Intermittent
M
Minus
MOCA
Minimum obstruction clearance altitude
MORA
Minimum off route altitude
NOTOC
Notice to Crew (regarding animals or Dangerous goods)
OEI
One engine inoperative
OTS
organised track system
P
Plus
PID
Plan identification number
Point of no return
Point beyond which you are committed to landing, as fuel is insufficient to safely return to the last alternate or destination
PNR factor
Amount of fuel required to fly 1nm on from ETPD and then fly back.
RQMNT
requirement
RTA
Required time of arrival
SH
Safety height
THFA
Traffic holding fuel advisory
Threshold time? What is it for a twin or tri/Quad
Twin: 60 minutes
Quad: 180 minutes
If it is a gas turbine powered aircraft
UPR
user preferred route
ZEET
Zone estimated elapsed time