GM2 ORO.AOC.130 Flight data monitoring – aeroplanes
CAA ORS9 Decision No. 15
EXAMPLES OF FDM EVENTS
The following table provides examples of FDM events that may be further developed using operator and aeroplane specific limits. The table is considered illustrative and not exhaustive. Other examples may be found in the documents published by the European Operators Flight Data Monitoring (EOFDM) forum.
Event Group |
Description |
---|---|
Rejected take-off |
High speed rejected take-off |
Take-off pitch |
Pitch rate low or high on take-off |
Pitch attitude high during take-off |
|
Unstick speeds |
Unstick speed high |
Unstick speed low |
|
Height loss in climb-out |
Initial climb height loss 20 ft above ground level (AGL) to 400 ft above aerodrome level (AAL) |
Initial climb height loss 400 ft to 1 500 ft AAL |
|
Slow climb-out |
Excessive time to 1 000 ft AAL after take-off |
Climb-out speeds |
Climb-out speed high below 400 ft AAL |
Climb-out speed high 400 ft AAL to 1 000 ft AAL |
|
Climb-out speed low 35 ft AGL to 400 ft AAL |
|
Climb-out speed low 400 ft AAL to 1 500 ft AAL |
|
High rate of descent |
High rate of descent below 2 000 ft AGL |
Missed approach |
Missed approach below 1 000 ft AAL |
Missed approach above 1 000 ft AAL |
|
Low approach |
Low on approach |
Glideslope |
Deviation under glideslope |
Deviation above glideslope (below 600 ft AGL) |
|
Approach power |
Low power on approach |
Approach speeds |
Approach speed high within 90 seconds of touchdown |
Approach speed high below 500 ft AAL |
|
Approach speed high below 50 ft AGL |
|
Approach speed low within 2 minutes of touchdown |
|
Landing flap |
Late land flap (not in position below 500 ft AAL) |
Reduced flap landing |
|
Flap load relief system operation |
|
Landing pitch |
Pitch attitude high on landing |
Pitch attitude low on landing |
|
Bank angles |
Excessive bank below 100 ft AGL |
Excessive bank 100 ft AGL to 500 ft AAL |
|
Excessive bank above 500 ft AGL |
|
Excessive bank near ground (below 20 ft AGL) |
|
Normal acceleration |
High normal acceleration on ground |
High normal acceleration in flight flaps up (+/- increment) |
|
High normal acceleration in flight flaps down(+/- increment) |
|
High normal acceleration at landing |
|
Abnormal configuration |
Take-off configuration warning |
Early configuration change after take-off (flap) |
|
Speed brake with flap |
|
Speed brake on approach below 800 ft AAL |
|
Speed brake not armed below 800 ft AAL |
|
Event Group |
Description |
Ground proximity warning |
Ground proximity warning system (GPWS) operation - hard warning |
GPWS operation — soft warning |
|
GPWS operation — windshear warning |
|
GPWS operation — false warning |
|
Airborne collision avoidance system (ACAS II) warning |
ACAS operation — Resolution Advisory |
Margin to stall/buffet |
Stick shake |
False stick shake |
|
Reduced lift margin except near ground |
|
Reduced lift margin at take-off |
|
Low buffet margin (above 20 000 ft) |
|
Aircraft flight manual limitations |
Maximum operating speed limit (VMO) exceedance |
Maximum operating speed limit (MMO) exceedance |
|
Flap placard speed exceedance |
|
Gear down speed exceedance |
|
Gear selection up/down speed exceedance |
|
Flap/slat altitude exceedance |
|
Maximum operating altitude exceedance |