Accident Beechcraft B55 Baron N7912R,
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ASN Wikibase Occurrence # 44583
 
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Date:Friday 14 January 2005
Time:09:54
Type:Silhouette image of generic BE55 model; specific model in this crash may look slightly different    
Beechcraft B55 Baron
Owner/operator:Private
Registration: N7912R
MSN: TC-1220
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Patterson, LA -   United States of America
Phase: Take off
Nature:Private
Departure airport:Patterson Municipal Heliport, LA (PTN/KPTN)
Destination airport:Houma-Terrebonne Airport, LA (HUM/KHUM)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The 6,000-hour airline transport pilot was observed to make a steep climb followed by a shallow left turn during the initial climb after take off. The steepness of the bank progressed, and then the nose of the airplane dropped. Subsequently, the airplane began to spin before impacting a tree then terrain. Examination of the airplane revealed that the fuel selector handles were set to the auxiliary fuel tanks. A review of the Normal Procedures section of the airplane's Pilot Operating Handbook (POH) revealed that the fuel selectors must be set to the main tanks for take-off. Additionally, the FAA issued Airworthiness Directive (AD)-68-26-06 in 1974 "to prevent a power loss." It required this model airplane to have a placard installed on the pilot's instrument panel, which stated the following: "TAKE OFF AND LAND ON MAIN TANKS ONLY. TURNING TYPE TAKE OFFS OR TAKE OFFS IMMEDIATELY FOLLOWING FAST TAXI TURNS PROHIBITED." A review of the POH also revealed that the best rate of climb speed with one engine inoperative (Vyse) was 100 knots and the minimum controllable airspeed (Vmc) was 78 knots. It also stated, "Two major factors govern one engine operations; airspeed and directional control. The airplane can be safely maneuvered or trimmed for normal hands-off operation and sustained in this configuration by the operative engine AS LONG AS SUFFICIENT AIRSPEED IS MAINTAINED...The most important aspect of engine failure is the necessity to maintain lateral and directional control. If airspeed is below 78 knots, reduce power on the operative engine as required to maintain control."


Probable Cause: The pilot's failure to follow check-list procedures and the required placard instructions, which resulted in the fuel selectors being selected to the improper fuel tanks for take-off, resulting in a loss of engine power to the left engine. Also causal was the pilot's failure to maintain sufficient airspeed required to maintain control.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20050119X00074&key=1

Location

Revision history:

Date/timeContributorUpdates
28-Oct-2008 00:45 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
06-Dec-2017 06:52 ASN Update Bot Updated [Other fatalities, Source, Narrative]
08-Jun-2023 04:26 Ron Averes Updated [[Other fatalities, Source, Narrative]]

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