Abbreviations and Definitions

Question 1

AAL

Answer 1

Above aerodrome level

Question 2

ACARS

Answer 2

Aircraft communications addressing and reporting system

Question 3

Adequate aerodrome

Answer 3

Meets runway requirements

Cat 4 firefighting within 30 minutes

Question 4

AEO

Answer 4

All engines operating

Question 5

ALLNC

Answer 5

Allowance

Question 6

AOC

Answer 6

Airline operations control

Question 7

APPCH & LDG fuel

Answer 7

fuel for visual flight from 1500ft to completion of landing run

Question 8

Arrival allowance

Answer 8

Extra fuel to cover circuitous routing during the arrival

Question 9

CFP

Answer 9

Computer generated flight plan

Question 10

CMP

Answer 10

Configuration, Maintenance and procedures

Question 11

COF

Answer 11

Crew on flight

Question 12

Critical ETP

Answer 12

The ETP for the most critical sector of the route to be flown.
Either ETPD or ETP1D

Question 13

Critical Equi-fuel point

Answer 13

The most critical point where Equi-fuel is available

Question 14

DARP What is it?

Answer 14

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

Question 15

DDP

Answer 15

Diversion Decision point

Question 16

Departure allowance

Answer 16

Fuel required when necessary to cover circuitous routing on the departure

Question 17

EDTO

Answer 17

Extended diversion time operation

Question 18

EDTO Entry/Exit point

Answer 18

Point where flight will enter/ exit a leg where the single engine, still air diversion time exceeds the threshold for that aircraft

Question 19

ESAD

Answer 19

Equivalent still air distance

Question 20

EROPS/ETOPS

Answer 20

Extended range operations

*Should be treated as synonymous with EDTO

Question 21

Final reserve fuel

Answer 21

30 minutes flight at 1500ft above destination/alternate at holding speed

Question 22

Flexi-track

Answer 22

An off airway route designated to take advantage of prevailing winds

Question 23

IFSD

Answer 23

In flight shutdown

Question 24

INTER

Answer 24

Intermittent

Question 25

M

Answer 25

Minus

Question 26

MOCA

Answer 26

Minimum obstruction clearance altitude

Question 27

MORA

Answer 27

Minimum off route altitude

Question 28

NOTOC

Answer 28

Notice to Crew (regarding animals or Dangerous goods)

Question 29

OEI

Answer 29

One engine inoperative

Question 30

OTS

Answer 30

organised track system

Question 31

P

Answer 31

Plus

Question 32

PID

Answer 32

Plan identification number

Question 33

Point of no return

Answer 33

Point beyond which you are committed to landing, as fuel is insufficient to safely return to the last alternate or destination

Question 34

PNR factor

Answer 34

Amount of fuel required to fly 1nm on from ETPD and then fly back.

Question 35

RQMNT

Answer 35

requirement

Question 36

RTA

Answer 36

Required time of arrival

Question 37

SH

Answer 37

Safety height

Question 38

THFA

Answer 38

Traffic holding fuel advisory

Question 39

Threshold time? What is it for a twin or tri/Quad

Answer 39

Twin: 60 minutes Quad: 180 minutes If it is a gas turbine powered aircraft

Question 40

UPR

Answer 40

user preferred route

Question 41

ZEET

Answer 41

Zone estimated elapsed time