Autopilot, Flight Management, Navigation Flashcards
Minimum altitude for use of the autopilot after takeoff?
100ft AGL or 5 seconds after lift off
Minimum value for use of the autopilot with FINAL APP, V/S or FPA mode?
250ft AGL
Minimum altitude for use of the autopilot in a circling approach?
500ft AGL for aircraft category C
Minimum altitude for use of the autopilot in an ILS approach when CAT I is displayed on the FMA?
160ft AGL
Minimum altitude for use of the autopilot in an ILS approach with CAT II or III displayed on the FMA?
0 if autoland
Minimum altitude for use of the autopilot after a Go Around?
100ft AGL
Minimum altitude for use of the autopilot in all other phases?
500ft AGL
RNP accuracy with GPS Primary: en route with AP on, AP off and FD on, both ap and FD off?
1nm, 1nm, 1.1nm
RNP accuracy with GPS Primary: in the terminal area with AP on, AP off and FD on, both ap and FD off?
0.5nm, 0.51nm, 0.51nm
RNP accuracy with GPS Primary: in approach with AP on, AP off and FD on, both ap and FD off?
0.3nm, 0.3nm, 0.3nm
If GPS Primary Lost is displayed on the ND and MCDU, what do you look for to know that navigation accuracy remains sufficient for RNP operations?
On the MCDU, check that High Accuracy is displayed in the Prog Page
Can NAV mode on an RNAV (RNP) approach be performed if GPS in not available?
Yes, it may be performed, provided:
- High Accuracy is displayed on the Prog Page of the MCDU
- Verify position with radio navaid coverage to identify which FMGC has the correct position
- Operational approval is obtained
- RNAV RNP degradation procedure must have been briefed during the Approach Briefing
Can NAV mode be used if GPS Primary is lost with an approach based on Radio Navaids?
Yes. Use NAV Mode while using the reference Navaid and the corresponding radio equipment on the aircraft as a reference
Can we use NAV Mode when GPS Primary is available but the reference Navaid is unserviceable or airborne radio equipment is inoperative?
Yes. If airborne radio equipment is inoperative, operational approval is required
What are examples of NAV Mode for approaches?
NAV, APP NAV, FINAL APP
What is the difference between RNAV (RNP) and RNAV (GNSS) regarding GPS Primary not available?
RNAV (RNP): can continue with conditions (degradation procedure)
RNAV (GNSS): needs at least one GPS Primary available at all times
Difference between ILS Cat III Fail Passive (single) and Fail Operational (dual)
Fail Passive (single)
- Decision Height is 50ft
- At least one AP engaged in APPR mode with Cat III single or dual on the FMA
- Must have A/THR (selected or managed)
Fail Operational (dual)
- Alert height is 100ft
- CAT III with Minimum DH is 20ft, without DH, the Minimum Runway Visual Range is 250ft (75m)
- Both AP engaged in the APPR mode, CAT III dual must be on the FMA
- Must have A/THR (selected or managed)
Engine Out in CAT II or CAT III Fail Passive autoland are approved for configuration full only and if the procedures are completed before reaching 1,000ft. Is this correct?
Correct
Maximum wind conditions for CAT II/CAT III are?
HW: 30kts, CW: 20kts, TW: 10kts
What happens when Tower reports winds are within limits for CAT II or III conditions but on the ND, exceeds the noted autoland conditions?
You may continue with AP engaged
What happens when Tower reports winds are beyond limits for CAT II or III and exceeds the noted autoland conditions?
You may continue as CAT I, manual landing
Making a manual landing in Cat II or III must be made no later than?
80ft
The glideslope range limit of the automatic landing system is?
-2.5 and -3.15deg
Elevation limit for the Autoland system is?
between -1,000ft up tp 2,500ft pressure altitude
Autoland is approved for what flaps configurations?
Flaps 3 and Full only
Can we do an autoland when we are above the maximum landing weight limit?
No
What runway conditions is the autoland roll out is approved for?
Dry and wet. Contaminated runways was not demonstrated.
During an automatic landing roll out, one engine, can we use the the remaining thrust lever for the automatic rollout?
Yes, provided the wind does not exceed the maximum limits for the automatic roll out
Can automatic landing be performed with CAT I ground installations?
Yes. If the following precautions are taken:
- ILS quality, terrain profile within 300m of the runway has no adverse effect on the AP/FD guidance
- Crew aware of LOC or G/S fluctuations, ready to take control at any time
- CAT II or better is displayed on the FMA
- Visual reference at the MDA, else go around
