FDM-027Initial climb & climb

Flap limit speed exceedance in climb

Recorded airspeed exceeds the applicable limit while a flap or slat configuration remains extended.

3Signal groups
2Flight phases
3Safety topics
12Reading links

What the profile screens for

Recorded airspeed exceeds the applicable limit while a flap or slat configuration remains extended.

Why it matters

Configuration overspeed may affect airworthiness and can reveal delayed retraction, target error, or high acceleration.

Flight-phase contextInitial ClimbClimb
Risk lensesAircraft upset / loss of controlTerrain collision / CFIT

Build the event around relationships—not one number.

01 · Gate

Define the operating context

Identify the initial climb / climb state, aircraft configuration, location, and any required external data before applying logic.

02 · Detect

Screen the signal relationship

Use validated combinations of calibrated airspeed, flap position, slat position; avoid treating one isolated value as the whole event.

03 · Validate

Confirm it is a genuine event

Check polarity, units, source, recording rate, dropouts, air/ground logic, persistence, and false-positive mechanisms.

04 · Contextualise

Connect data to the safety question

Review procedures, reports, weather, airport and traffic context, exposure, recurrence, and the strength of the related barriers.

Recorded signals that may help explain the event.

calibrated airspeedflap positionslat position

Questions before conclusions

  1. Q1

    Are calibrated airspeed, flap position, slat position valid, correctly decoded, time-aligned, and sampled well enough for this event?

  2. Q2

    What changed immediately before, during, and after the flap limit speed exceedance in climb indication?

  3. Q3

    How do aircraft configuration, weather, airport geometry, automation state, and crew reports change the interpretation?

  4. Q4

    Which current flight manual, SOP, maintenance, or operator event definition controls the final conclusion?

Safety topics that broaden the event review.

Deep briefs3 detailed research guides

12 useful starting points

Terminology and topic relationships select these links; the publisher source remains authoritative.

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System Reset: Use With Caution

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EASA

Easy Access Rules for Air Operations — ORO.AOC.130

Official source
EASA / EOFDM

European Operators Flight Data Monitoring forum

Official source
FAA

AC 120-82 — Flight Operational Quality Assurance

Official source
UK CAA

CAP 739 — Flight Data Monitoring

Official source
ICAO

Doc 10000 — Manual on Flight Data Analysis Programmes

Official source