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Flight crew of an embraer, EMB120 overshot assigned altitude during climb due to the autoplt failure to capture the preset altitude.
| Attributes | |
| ACN | 466970 |
| Time | |
| Date | 200003 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : cdc.airport |
| State Reference | UT |
| Altitude | msl bound lower : 23000 msl bound upper : 24000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zlc.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | Brasilia EMB-120 All Series |
| Operating Under FAR Part | Part 119 |
| Flight Phase | climbout : vacating altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : commercial pilot : cfi pilot : instrument |
| Experience | flight time last 90 days : 90 flight time total : 1525 flight time type : 300 |
| ASRS Report | 466970 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : less severe altitude deviation : overshoot non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | controller : issued new clearance flight crew : returned to assigned altitude |
| Supplementary | |
| Problem Areas | Aircraft Flight Crew Human Performance |
| Primary Problem | Flight Crew Human Performance |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We were given FL230 aircraft was at FL240 when we realized it hadn't caught at FL230. Aircraft had FMS and when we initially got direct to dta (VOR) autoplt didn't pick up. I shut off autoplt and got reestablished on direct. Put autoplt back on but not altitude select. We did inform center at the time they then gave us FL240. Sunlight on panel obscured the indicators. Therefore it was difficult to detect that altitude was not on without blocking the sun.
Original NASA ASRS Text
Title: FLC OF AN EMBRAER, EMB120 OVERSHOT ASSIGNED ALT DURING CLB DUE TO THE AUTOPLT FAILURE TO CAPTURE THE PRESET ALT.
Narrative: WE WERE GIVEN FL230 ACFT WAS AT FL240 WHEN WE REALIZED IT HADN'T CAUGHT AT FL230. ACFT HAD FMS AND WHEN WE INITIALLY GOT DIRECT TO DTA (VOR) AUTOPLT DIDN'T PICK UP. I SHUT OFF AUTOPLT AND GOT REESTABLISHED ON DIRECT. PUT AUTOPLT BACK ON BUT NOT ALT SELECT. WE DID INFORM CTR AT THE TIME THEY THEN GAVE US FL240. SUNLIGHT ON PANEL OBSCURED THE INDICATORS. THEREFORE IT WAS DIFFICULT TO DETECT THAT ALT WAS NOT ON WITHOUT BLOCKING THE SUN.
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.