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A light twin's autoplt disconnects while the pilot is busy looking for an intersection on the charts. He loses 350 ft.
| Attributes | |
| ACN | 417170 |
| Time | |
| Date | 199810 |
| Day | Sun |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : mbv |
| State Reference | VA |
| Altitude | msl bound lower : 6650 msl bound upper : 7000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdc tower : chs |
| Operator | general aviation : personal |
| Make Model Name | Small Transport, Low Wing, 2 Recip Eng |
| Flight Phase | cruise other |
| Route In Use | enroute airway : zdc |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : single pilot |
| Qualification | pilot : instrument pilot : private |
| Experience | flight time last 90 days : 19 flight time total : 520 flight time type : 19 |
| ASRS Report | 417170 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : radar |
| Qualification | controller : radar |
| Events | |
| Anomaly | aircraft equipment problem : less severe altitude deviation : excursion from assigned altitude non adherence : clearance |
| Independent Detector | other flight crewa |
| Resolutory Action | flight crew : overcame equipment problem flight crew : returned to intended course or assigned course |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
Finding intersection on map during angel flight, autoplt popped off, descended 350 ft. Caught deviation and ascended to establish assigned altitude.
Original NASA ASRS Text
Title: A LIGHT TWIN'S AUTOPLT DISCONNECTS WHILE THE PLT IS BUSY LOOKING FOR AN INTXN ON THE CHARTS. HE LOSES 350 FT.
Narrative: FINDING INTXN ON MAP DURING ANGEL FLT, AUTOPLT POPPED OFF, DSNDED 350 FT. CAUGHT DEV AND ASCENDED TO ESTABLISH ASSIGNED ALT.
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.