 |
37000 Feet | Browse and search NASA's Aviation Safety Reporting System |
|
An S76 helicopter crew overshoots their assigned altitude in climb when the autoplt altitude capture fails to perform as expected near cmk, ny.
| Attributes | |
| ACN | 455610 |
| Time | |
| Date | 199911 |
| Day | Wed |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| State Reference | NY |
| Altitude | msl bound lower : 4000 msl bound upper : 4400 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : n90.tracon |
| Operator | general aviation : corporate |
| Make Model Name | S-76/S-76 Mark II |
| Operating Under FAR Part | Part 91 |
| Flight Phase | climbout : intermediate altitude |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : corporate |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 30 flight time total : 9000 flight time type : 2000 |
| ASRS Report | 455610 |
| Person 2 | |
| Affiliation | company : corporate |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 60 flight time total : 11100 flight time type : 3500 |
| ASRS Report | 455611 |
| Events | |
| Anomaly | aircraft equipment problem : less severe altitude deviation : overshoot non adherence : clearance |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | flight crew : returned to assigned altitude flight crew : returned to original clearance flight crew : became reoriented |
| Supplementary | |
| Problem Areas | Environmental Factor Flight Crew Human Performance Aircraft |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation |
Narrative:
We climbed through 4000 ft MSL (assigned altitude) to 4300 ft MSL. Autoplt on with altitude preselect set to 4000 ft MSL, we never captured 4000 ft MSL. Sun was shining on the flight director at the time, making it difficult to see the lighted mode buttons.
Original NASA ASRS Text
Title: AN S76 HELI CREW OVERSHOOTS THEIR ASSIGNED ALT IN CLB WHEN THE AUTOPLT ALT CAPTURE FAILS TO PERFORM AS EXPECTED NEAR CMK, NY.
Narrative: WE CLBED THROUGH 4000 FT MSL (ASSIGNED ALT) TO 4300 FT MSL. AUTOPLT ON WITH ALT PRESELECT SET TO 4000 FT MSL, WE NEVER CAPTURED 4000 FT MSL. SUN WAS SHINING ON THE FLT DIRECTOR AT THE TIME, MAKING IT DIFFICULT TO SEE THE LIGHTED MODE BUTTONS.
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.