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37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
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Altitude deviation. Approaching their cleared altitude, the flight crew experienced moderate turbulence. Reporter first officer was briefing the flight attendants when a call came from center telling them they were 600 ft high. Captain replied that they couldn't maintain FL290 due to turbulence.
| Attributes | |
| ACN | 335120 |
| Time | |
| Date | 199605 |
| Day | Fri |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | atc facility : jhw |
| State Reference | NY |
| Altitude | msl bound lower : 29000 msl bound upper : 29600 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zob |
| Operator | common carrier : air carrier |
| Make Model Name | DC-9 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | climbout : intermediate altitude cruise other |
| Route In Use | enroute airway : zob |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : flight engineer pilot : commercial pilot : instrument |
| Experience | flight time last 90 days : 210 flight time total : 4000 flight time type : 2000 |
| ASRS Report | 335120 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | altitude deviation : overshoot inflight encounter : weather non adherence : clearance |
| Independent Detector | other controllera |
| Resolutory Action | flight crew : returned to intended course or assigned course other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
Climbing to assigned cruise altitude FL290 experienced moderate turbulence passing 28000 ft. I was briefing flight attendants regarding turbulence. Next thing ATC ZOB called stating 'show 600 ft high.' captain confirmed stating unable to maintain FL290 due turbulence.
Original NASA ASRS Text
Title: ALTDEV. APCHING THEIR CLRED ALT, THE FLC EXPERIENCED MODERATE TURB. RPTR FO WAS BRIEFING THE FLT ATTENDANTS WHEN A CALL CAME FROM CTR TELLING THEM THEY WERE 600 FT HIGH. CAPT REPLIED THAT THEY COULDN'T MAINTAIN FL290 DUE TO TURB.
Narrative: CLBING TO ASSIGNED CRUISE ALT FL290 EXPERIENCED MODERATE TURB PASSING 28000 FT. I WAS BRIEFING FLT ATTENDANTS REGARDING TURB. NEXT THING ATC ZOB CALLED STATING 'SHOW 600 FT HIGH.' CAPT CONFIRMED STATING UNABLE TO MAINTAIN FL290 DUE TURB.
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.