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Flight crew of light transport required to obtain ferry permit for aircraft after illegal operation of aircraft in a misinterp of MEL requirements.
| Attributes | |
| ACN | 217514 |
| Time | |
| Date | 199208 |
| Day | Fri |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | airport : elm |
| State Reference | NY |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Operator | general aviation : corporate |
| Make Model Name | Light Transport, Low Wing, 2 Turbojet Eng |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | Other |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 12300 |
| ASRS Report | 217514 |
| Person 2 | |
| Affiliation | Other |
| Function | flight crew : first officer |
| Qualification | pilot : instrument pilot : commercial |
| Experience | flight time last 90 days : 150 flight time total : 5500 |
| ASRS Report | 217511 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : far other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
| Air Traffic Incident | Pilot Deviation other |
Narrative:
We flew the aircraft with the cockpit hot air mixing valve disconnected, assuming we had MEL relief. Even though this presents no problem for flight, we later found out that, in fact, we did not have MEL relief. Then we obtained a ferry permit from the FAA for a flight back to home base, where a new mixing valve was installed.
Original NASA ASRS Text
Title: FLC OF LTT REQUIRED TO OBTAIN FERRY PERMIT FOR ACFT AFTER ILLEGAL OP OF ACFT IN A MISINTERP OF MEL REQUIREMENTS.
Narrative: WE FLEW THE ACFT WITH THE COCKPIT HOT AIR MIXING VALVE DISCONNECTED, ASSUMING WE HAD MEL RELIEF. EVEN THOUGH THIS PRESENTS NO PROBLEM FOR FLT, WE LATER FOUND OUT THAT, IN FACT, WE DID NOT HAVE MEL RELIEF. THEN WE OBTAINED A FERRY PERMIT FROM THE FAA FOR A FLT BACK TO HOME BASE, WHERE A NEW MIXING VALVE WAS INSTALLED.
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.