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Part 4 Navigation > Abbreviations and Definitions > Flashcards

Abbreviations and Definitions Flashcards

1
Q

AAL

A

Above aerodrome level

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2
Q

ACARS

A

Aircraft communications addressing and reporting system

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3
Q

Adequate aerodrome

A

Meets runway requirements

Cat 4 firefighting within 30 minutes

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4
Q

AEO

A

All engines operating

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5
Q

ALLNC

A

Allowance

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6
Q

AOC

A

Airline operations control

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7
Q

APPCH & LDG fuel

A

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

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8
Q

Arrival allowance

A

Extra fuel to cover circuitous routing during the arrival

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9
Q

CFP

A

Computer generated flight plan

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10
Q

CMP

A

Configuration, Maintenance and procedures

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11
Q

COF

A

Crew on flight

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12
Q

Critical ETP

A

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

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13
Q

Critical Equi-fuel point

A

The most critical point where Equi-fuel is available

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14
Q

DARP What is it?

A

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

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15
Q

DDP

A

Diversion Decision point

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16
Q

Departure allowance

A

Fuel required when necessary to cover circuitous routing on the departure

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17
Q

EDTO

A

Extended diversion time operation

18
Q

EDTO Entry/Exit point

A

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

19
Q

ESAD

A

Equivalent still air distance

20
Q

EROPS/ETOPS

A

Extended range operations

*Should be treated as synonymous with EDTO

21
Q

Final reserve fuel

A

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

22
Q

Flexi-track

A

An off airway route designated to take advantage of prevailing winds

23
Q

IFSD

A

In flight shutdown

24
Q

INTER

A

Intermittent

25
Q

M

A

Minus

26
Q

MOCA

A

Minimum obstruction clearance altitude

27
Q

MORA

A

Minimum off route altitude

28
Q

NOTOC

A

Notice to Crew (regarding animals or Dangerous goods)

29
Q

OEI

A

One engine inoperative

30
Q

OTS

A

organised track system

31
Q

P

A

Plus

32
Q

PID

A

Plan identification number

33
Q

Point of no return

A

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

34
Q

PNR factor

A

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

35
Q

RQMNT

A

requirement

36
Q

RTA

A

Required time of arrival

37
Q

SH

A

Safety height

38
Q

THFA

A

Traffic holding fuel advisory

39
Q

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

A

Twin: 60 minutes
Quad: 180 minutes

If it is a gas turbine powered aircraft

40
Q

UPR

A

user preferred route

41
Q

ZEET

A

Zone estimated elapsed time

Part 4 Navigation (6 decks)

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