ASN Wikibase Occurrence # 25431
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| Date: | Thursday 21 September 1995 |
| Time: | 04:25 LT |
| Type: |  Mitsubishi MU-2B-35 |
| Owner/operator: | Corporate Flight Management |
| Registration: | N309MA |
| MSN: | 602 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 4304 hours |
| Engine model: | GARRETT TPE-331-6-25 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | near Smyrna Airport, TN -
 United States of America
|
| Phase: | Take off |
| Nature: | Ferry/positioning |
| Departure airport: | (KMQY) |
| Louisville, KY (KSDF) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A WITNESS STATED HE OBSERVED THE AIRPLANE ON CLIMBOUT FROM RUNWAY 32. THE AIRPLANE STARTED A RIGHT TURN ESTIMATED AT ABOUT 30 TO 45 DEGREE ANGLE OF BANK. THE AIRPLANE STOPPED CLIMBING AND BEGAN DESCENDING. SUBSEQUENTLY, IT COLLIDED WITH A TREE LINE, WHILE IN A RIGHT BANK, AND THEN IT IMPACTED THE GROUND. WEATHER CONDITIONS AT THE TIME OF ACCIDENT WERE DESCRIBED BY THE WITNESS AS VERY DARK, WITH NO AMBIENT LIGHT OR VISIBLE HORIZON. EXAMINATION OF THE AIRFRAME, FLIGHT CONTROL SYSTEM, ENGINE ASSEMBLY, AND PROPELLER ASSEMBLY REVEALED NO EVIDENCE OF A PRECRASH FAILURE OR MALFUNCTION. THE AUTOPILOT WAS FOUND IN THE OFF POSITION, AND THE AUTOPILOT CIRCUIT BREAKERS WERE NOT TRIPPED. THE PILOT AND PASSENGER WERE SERIOUSLY INJURED AND HAD NO MEMORY OF THE FLIGHT. A RADIO TRANSCRIPT REVEALED THAT AFTER TAKING OFF, THE FLIGHT HAD MADE ONE RADIO TRANSMISSION TO REQUEST AN IFR CLEARANCE.
Probable Cause: FAILURE OF THE PILOT TO MAINTAIN A PROPER CLIMB RATE AFTER TAKEOFF, AND HIS INADVERTENT ENTRY IN A DESCENDING SPIRAL, WHICH HE FAILED TO CORRECT. FACTORS RELATING TO THE ACCIDENT WERE: DARKNESS, AND THE PILOT BECOMING SPATIALLY DISORIENTED DURING THE INITIAL CLIMB WHILE ATTEMPTING TO OBTAIN AN IFR CLEARANCE.
Accident investigation:
 |
|
Sources:
NTSB MIA95FA226
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=309MA
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 10-Sep-2013 16:56 | wf | Updated [Location, Phase, Departure airport, Source, Narrative] |
| 06-Mar-2016 20:32 | Dr.John Smith | Updated [Time, Operator, Location, Nature, Departure airport, Source, Narrative] |
| 06-Mar-2016 20:38 | Dr.John Smith | Updated [Location, Destination airport] |
| 21-Dec-2016 19:14 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:16 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 21-Dec-2016 19:20 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 23-Jan-2022 09:17 | TB | Updated [Location] |
| 09-Apr-2024 11:51 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
Corrections or additions? ... Edit this accident description
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