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OPC IFR Questions Flashcards

1
Q

What is the required validity period that a weather forecast must cover for destination and alternate aerodromes?

A

Not less than 30 minutes before and 30 minutes after the planned ETA

(Isolated Airport - 30 Mins and +60)

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2
Q

When ATC allocates a waypoint crossing time, what time must the aircraft arrive at that waypoint?

A

On time or up to 30 seconds early

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3
Q

What is the minimum obstacle clearance required when circling in a Cat C aircraft

A

400 Feet

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4
Q

What is the maximum speed allowed for circling in a Cat C aircraft

A

180 knots

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5
Q

What is the maximum speed allowed for a missed approach

A

240 Knots

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6
Q

What is the range of final approach speeds for a Cat C aircraft

A

115 - 160 Knots

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7
Q

What is the circling radius to be used for a Cat C aircraft

A

4.2 nm

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8
Q

What is the circling radius to be used for a Cat C aircraft using Old TERPS Criteria

A

1.7 nm

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9
Q

What is the circling radius to be used for a Cat C aircraft for New TERPS criteria

A

2.7 nm

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10
Q

What are the requirements for conducting a visual approach by day

A
  • Within 30NM of the Aerodrome
  • Clear of cloud
  • In sight of ground or water
  • With a flight visibility not less than 5,000M
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11
Q

What are the requirements for conducting a visual approach by Night

A
  • Established within the circling area
  • Clear of cloud
  • In sight of ground or water
  • Visibility not less than 5000M

Or

  • within 5 nm aligned with the centreline on PAPI (7 nm if runway is equipped with an ILS)

Or

  • within 10 nm if estimated on ILS glide path (14 nm in SYDNEY runway 16L and 34L)
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12
Q

What is the maximum allowable in-flight difference between Captain and First Officer altitude displays for RVSM operations

A

200 feet

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13
Q

Do Standby altimeters meet the accuracy requirements for RVSM airspace

A

No

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14
Q

What is the Altimeter tolerance for IFR flight

A

60 feet on QNH for both altimeters, however if one altimeter is between 60 and 75 feet a re-check can be made at the next destination

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15
Q

What are the maximum allowable on-the-ground altitude display differences for RVSM flight CL/NG

A

CL = 40 feet between CAP/FO and 75 feet of field elevation

NG = 50 feet between CAP/FO and 75 feet of field elevation

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16
Q

What is the maximum allowable dry crosswind component NG/CL

A

34 / 35

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17
Q

What is the maximum take-off and landing tailwind component

A

10 Knots

(Freighter 15 knots)

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18
Q

What is the severe turbulent air penetration speed CL/NG

A

Climb and descent
CL = 280 knots or Mach 0.73

(264 knots or Mach 0.65 freighter)

NG = 280 knots or Mach 0.76

During Cruise use N1 values

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19
Q

Can you operate HF radios during refuelling

A

No

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20
Q

Can aileron trim be used with the autopilot engaged

A

No

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21
Q

For single channel autopilot operations during approach at what height is the autopilot required to be disengaged

22
Q

Is reverse thrust allowed to be selected intentionally in flight

23
Q

What is the maximum altitude allowed with APU bleed + electrical loads

A

10000 feet

24
Q

What is the maximum altitude allowed with APU bleed load

A

17000 feet

25
Q

What is the maximum altitude allowed with APU electrical load CL/NG

A

CL = 35000 feet

NG = 41000 feet

26
Q

What is the maximum altitude allowed with flaps extended

A

20000 feet

27
Q

During icing conditions inflight can flaps be used in a holding pattern

28
Q

What is the time window allowed to remain compliant with an allocated COBT

A

Arrivals SYD, BNE, MEL, PER -5min to +15 min
Departure Per -5min to +10min

29
Q

What are the maximum and minimum glideslope angles for auto-land

A

+ 3.25 degrees and +2.5 degrees.

30
Q

Which flap settings are allowed for Autoland

A

Autoland may only be used with flaps 30 or 40 and both engines operating

31
Q

What is the maximum fuel temperature

32
Q

What is the Maximum runway slope allowed

33
Q

Maximum Takeoff and Landing Altitude

34
Q

Define Icing Conditions

A

When OAT (ground) or TAT (inflight) is 10°C or below AND

*visible moisture of 1600 m or less
or
*standing water, ice or snow on ramp, taxiways or runways

35
Q

What are the maximum Holding Speeds

A

Holding altitude 14000’ or below
230 KIAS

Holding altitude above 14000’ to 20000’ 240 KIAS

Holding altitude above 20000’ to 34000’
265 KIAS

36
Q

State the recency limitations for the conduct of a circling approach under the IFR

A

Passed the flight test for the rating which included a circling approach in the previous 12 months; or

The most recent IPC included a circling approach

CASR (61.860 (3))

37
Q

State the recency limitations for the conduct of a flight under the IFR in a type rated aircraft

A

1 IAP in the particular category in the previous 90 days

CASR (61.870 (3))

38
Q

What are the recency requirements for 2D, 3D, CDI and azimuth approaches

A

At least 1 approach flown in the previous 90 days for each type

CASR (61.870

39
Q

What is the obstacle clearance in a missed approach

A

100ft @ 2.5% from MAPT or DA

JEPP (TERM AU-23 4.10.1 NOTE 2)

40
Q

When does a missed approach finish

A

When passing through the MAP “climb to” height specified for the approach

41
Q

How is a missed approach flown from visual circling

A

An initial climbing turn toward the landing runway is made to overhead the airport, where the missed approach track is intercepted of the instrument approach just flown

42
Q

What is the circling area and obstacle clearance for a CAT D

A

CAT D - 5.28NM, 400 feet

43
Q

What is the definition of “established” in an IAP for all Navaids

A

ILS, VOR and GNSS - Half scale deflection

NDB - ±5° of required bearing

DME - ±2NM of the DME arc

44
Q

Can a Runway Visibility (RV) Assessment be used as a substitute for RVR observations

A

Only if:
- for CAT I approaches visibility is greater than 800m

  • For low visibility take-offs, visibility is greater than 350m
45
Q

What is the terrain clearance guaranteed by the 10 and 25nm MSA

46
Q

What is the normal gradient applied when designing an IAP, and what is the rule of thumb to calculate RoD on an IAP

A

3° = 5%
(5 x GS = ROD)

Or half GS and add a zero

47
Q

What are the flight tolerances of the ILS/GLS

A
  • Maximum half scale deflection on final approach course and glide slope before the FAP
  • Maximum full scale deflection on final approach course and glide slope after FAP
48
Q

What are the requirements for changing the DA due temperature

A

If the temperature is less than ISA -15°C, correction must be added in accordance with correction charts

For GNSS approaches, no correction necessary if operating within the temperature limits of the chart

49
Q

What is the minimum visibility if HIAL is not available

50
Q

If HIAL is installed but not serviceable, what must the visibility minima be adjusted by for a LOC approach

A

Add 900 metres

51
Q

What is the time window allowed to remain compliant with COBT

A

Arrival:
SYD, BNE, MEL, PER -5 to +15 mins

Departure PER:
-5 to +10 mins

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