ASN Wikibase Occurrence # 289839
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| Date: | Sunday 4 August 2013 |
| Time: | 11:10 LT |
| Type: |  Mooney M20R |
| Owner/operator: | Red's Flying Service Inc |
| Registration: | N1034S |
| MSN: | 29-0456 |
| Year of manufacture: | 2006 |
| Total airframe hrs: | 373 hours |
| Engine model: | Continental IO-550-G |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Tallahassee, Florida -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Tallahassee International Airport, FL (TLH/KTLH) |
| Bartow Airport, FL (BOW/KBOW) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Shortly after departing on an instrument flight rules flight, the airplane abruptly lost all electrical power while operating in instrument meteorological conditions. The pilot reported that, given the abrupt nature of the electrical power loss, he assumed that it was due to a short circuit; he did not troubleshoot the electrical problem. He then descended the airplane to visual meteorological conditions and used a portable electronic device to navigate back toward the departure airport. During the return flight, the pilot was concerned about a possible electrical fire and smoke in the cockpit and wanted to land the airplane as soon as possible; therefore, he chose not to perform the emergency procedure to manually extend the airplane's electrically actuated landing gear. Upon reaching the airport, he conducted a gear-up landing, which resulted in substantial damage to the fuselage.
Postaccident examination of the airplane's electrical system found that the No. 2 battery was inoperable and that the total loss of electrical power was likely caused by an internal electrical short of the battery. When the electrical system's redundant (No. 1) battery was selected, the electrical system operated normally. It is likely that, if the pilot had attempted to troubleshoot or isolate the electrical problem, he could have restored electrical power, extended the landing gear normally, and executed a precautionary landing without damaging the airplane. Alternatively, he could have manually extended the landing gear.
Probable Cause: The pilot's failure to troubleshoot the in-flight electrical problem and restore power using the operable redundant battery and his decision not to manually extend the airplane's landing gear, which resulted in a gear-up landing. Contributing to the accident was an internal electrical short of the No. 2 battery, which resulted in a total loss of electrical power.
Accident investigation:
 |
|
Sources:
NTSB ERA13LA363
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2022 18:48 | ASN Update Bot | Added |
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