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Instrument Approaches Flashcards

1
Q

List the 4 precision approaches

A

ILS
MLS
RNP Approach
PAR

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2
Q

List the 6 non-precision approaches

A

1) VOR
2) NDB
3) ILS (localiser only)
4) GNSS
5) SRA
6) VDF

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3
Q

What is a precision approach?

A

An instrument approach and landing using precision lateral and vertical guidance minima determined by the category of operation.

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4
Q

Lateral and vertical guidance refers to the guidance provided either by:

A

A) ground based navigation aid
B) computer generated navigation data, displayed to the pilot of an aircraft
C)?Controller interpreting the display on a radar screen (PAR)

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5
Q

What are non precision approaches?

A

Instrument approach and landing which utilise lateral guidance but not vertical guidance

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6
Q

What do aircraft make use of for non precision approach terrain?

A

Ground based beacons, a/c equipment such as VOR, NDB and localiser (LLZ) it an ILS, often in combination with DME for Range.

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7
Q

List the 5 segments to an IAP

A

1) Arrival
2) initial
3) Intermediate
4) Final
- (a) Final approach fix for NPA
- (b) Final approach point for PA
5) missed

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8
Q

What is the arrival segment?

A

Transition from en-route to IAF

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9
Q

What is the initial segment ?

A

Begins at IAF and ends at intermediate fix (IF)

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10
Q

What is done if there is no suitable IAF or IF?

A

A reversal; Racetrack or holding pattern is required.

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11
Q

What is the intermediate segment?

A

Descent grade shallow as possible, Clearance from obstacle 1,000ft to 500ft where no FAF, the inbound tracks the Final approach segment

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12
Q

What is the final segment?

A

FAF - MAPt(if not FAF end of turn to MAPt)

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13
Q

What is the missed segment?

A

Consist of 3 phases:
A) initial; MAPt to start of climb
B)intermediate; Start I’d climb to 150ft obstacle Clearance
C)Final;!150ft Clearance to point where new approach, hold or encounters begins

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14
Q

What do obstacle clearance specifications provide flight crews with?

A

1) operational appreciation

2) Procedures to be followed to keep IAP Procedures Safe

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15
Q

For each IAP a OCA/H is calculated and published

True or False?

A

True

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16
Q

For each precision approach and a circling approach, the OCA/H is specified for each aircraft category. True or False?

A

True.

17
Q

What does VM(c) stand for?

A

Visual manoeuvring (circling)

18
Q

What is VM(c)?

A

The visual phase of flight, after competing an instrument approach. Where and a/c is manoeuvred into position for a landing on a runway which is not suitably located for a straight in approach

19
Q

How has obstacle clearance for VM(c) been determined?

A

Drawing arcs centred on each runway threshold and joining the arcs with tangent lines.

20
Q

What are radius of the VM(c) arcs related to?

A

1) Aircraft Category
2) Speed of each category
3) wind speed: 25kts throughout turn
4) Bank angle:20 degrees average or 3 degrees per second whichever requires less bank of

21
Q

List the speeds for each aircraft category A-E

A 
A: less than 91 kts IAS
B: 91-120kts
C: 121-140kts 
D: 141-165kts
E: 166-210kts
22
Q

Nominal VAT is defined as 1.3x stalling speed in the landing configuration at maximum certified landing mass.

A

True

23
Q

The OCH regarding VM(c) is the lowest height above the elevation of the relevant runway threshold or above AD elevation as applicable used in establishing compliance with appropriate obstacle clearance.

A

True

24
Q

When VM(c) area established, obstacle clearance height determined for each aircraft category.

A

True

25
Q

What is sectorisation?

A

A sector within a VM(c) area contains obstacles that would make thenOCH normally operationally unacceptable

26
Q

What does sectorisation permit?

A

It is permissible to eliminate the sector from the total VM(c) where the sector lies outside the final MAPt Areas

27
Q

Both Non precision approaches and and VM(c) have Minimum Decent Altitude/height (MDA/H) not decision height. True or False?

A

True

28
Q 
Fro VM(c) minimum
Obstacle clearance is dependent on aircraft category. True or False?
A

True.

29
Q

For non precision approaches Minimum obstacle clearance is how many metres without a FAF?

A

90m

30
Q

For non precision approaches Minimum obstacle clearance is how many metres with a FAF?

A

75m

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