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An A320 flight crew experiences an altitude deviation during an overspd recovery maneuver at FL330 25 mi north of den, co.
| Attributes | |
| ACN | 534086 |
| Time | |
| Date | 200112 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : den.airport |
| State Reference | CO |
| Altitude | msl single value : 33000 |
| Environment | |
| Weather Elements | Windshear |
| Aircraft 1 | |
| Controlling Facilities | tracon : d01.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | A320 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 534086 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| ASRS Report | 534094 |
| Events | |
| Anomaly | altitude deviation : excursion from assigned altitude inflight encounter other non adherence : clearance other anomaly other anomaly |
| Resolutory Action | aircraft : automation overrode flight crew flight crew : regained aircraft control flight crew : overrode automation flight crew : returned to assigned altitude |
| Supplementary | |
| Problem Areas | Weather Aircraft Flight Crew Human Performance |
| Primary Problem | Weather |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Level at FL330. Experienced a 30 KT gain of airspeed in a second. Overspd aircraft. Autoplt disengaged and aircraft pitched up as it is supposed to do. Gained 600 ft before airspeed reduced below vmo. Re-engaged autoplt and descended back to FL330.
Original NASA ASRS Text
Title: AN A320 FLC EXPERIENCES AN ALTDEV DURING AN OVERSPD RECOVERY MANEUVER AT FL330 25 MI N OF DEN, CO.
Narrative: LEVEL AT FL330. EXPERIENCED A 30 KT GAIN OF AIRSPD IN A SECOND. OVERSPD ACFT. AUTOPLT DISENGAGED AND ACFT PITCHED UP AS IT IS SUPPOSED TO DO. GAINED 600 FT BEFORE AIRSPD REDUCED BELOW VMO. RE-ENGAGED AUTOPLT AND DSNDED BACK TO FL330.
Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.