ASN Wikibase Occurrence # 36777
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| Date: | Friday 12 May 2000 |
| Time: | 11:51 |
| Type: |  Beechcraft B55 Baron |
| Owner/operator: | Private |
| Registration: | N4005A |
| MSN: | TC-1318 |
| Year of manufacture: | 1970 |
| Engine model: | Continental IO-470-L |
| Fatalities: | Fatalities: 6 / Occupants: 6 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | William P Hobby Airport, Houston, TX -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | HOU |
| Galliano, LA (L49) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot did not perform an aircraft runup and proceeded to takeoff. Numerous witnesses observed the airplane pitch up to a 70 to 80-degree nose high attitude upon liftoff. The witnesses then observed the nose of the airplane momentarily pitch nose down slightly and immediately pitch nose high again. They then reported observing the airplane roll to the left and impact the ground in a nose low, left wing low attitude. Shortly after impacting the ground, a fire erupted. Examination of the wreckage revealed that the pilot had failed to remove the control lock pin from the control column. A safety alert, service instruction, and mandatory service bulletin were issued by the aircraft manufacturer, which dealt with control lock awareness and a control lock modification. The pilot/aircraft owner did not comply with the service instruction and mandatory service bulletin, nor did he have the original control lock assembly installed. A conservative weight and balance computation indicated that the pilot loaded the airplane beyond the airplane's certificated maximum gross weight and aft center of gravity limitations. An autopsy of the pilot revealed that he had suffered from an 'acute myocardial infarct' prior to the airplane impacting the ground.
Probable Cause: the loss of control on takeoff as a result of the pilot's failure to remove the flight control lock due to his inadequate preflight inspection. A contributing factor was the pilot exceeding the aircraft's certificated maximum weight and balance limitations.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X20988&key=1
FAA register: 2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=4005A
4. https://flightaware.com/live/flight/N4005A
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 07-Jun-2011 11:01 | flyguybob | Updated [Source, Narrative] |
| 03-Mar-2016 20:17 | Dr.John Smith | Updated [Time, Operator, Location, Departure airport, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 12-Dec-2017 18:42 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
| 07-Jun-2023 21:06 | Ron Averes | Updated [[Departure airport, Destination airport, Source, Narrative]] |
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