Accident Piper PA-23-160 N245TB,
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ASN Wikibase Occurrence # 291922
 
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Date:Saturday 12 August 2006
Time:07:21 LT
Type:Silhouette image of generic PA23 model; specific model in this crash may look slightly different    
Piper PA-23-160
Owner/operator:Private
Registration: N245TB
MSN: 23-1390
Year of manufacture:1958
Total airframe hrs:4600 hours
Engine model:Lycoming O-320
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Santa Fe, New Mexico -   United States of America
Phase: Unknown
Nature:Private
Departure airport:Santa Fe Airport, NM (SAF/KSAF)
Destination airport:Ponca City Airport, OK (PNC/KPNC)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Prior to takeoff, the run-up revealed no anomalies. After the pilot received takeoff clearance for runway 2 (8,342 feet long by 150 feet wide), he applied full power and checked the propeller controls to confirm they were full forward. The pilot reported, "After a few seconds of full power, it seemed the aircraft was sluggish to develop airspeed in order to reach rotation speed of 64 knots indicated airspeed (KIAS). [The pilot] assumed it was due to the density altitude and full fuel." After rotation at "red line Vx speed," the pilot lowered the airplane's nose in an attempt to obtain "blue line" airspeed; however, the airplane would not accelerate beyond Vx speed. The pilot felt "the engines were not producing full power." Subsequently, the pilot elected to abort the takeoff and attempted to land back on the remaining runway. The aircraft landed on the runway with the gear retracted. The pilot noted no anomalies on the engine instruments during the attempted takeoff. Examination of the airframe and engines revealed no anomalies. The calculated density altitude was 8,180 feet mean sea level. According to the NTSB Pilot Aircraft Accident Report (NTSB Form 6120.1), Recommendation (How could this accident have been prevented) section, the pilot reported, "Should have aborted take off earlier on ground roll."

Probable Cause: the pilot's improper decision to continue the attempted takeoff when Vx airspeed was not obtained, and failure to abort the takeoff during ground roll which resulted in an impact on the remaining runway with the landing gear retracted. A contributing factor was the high density altitude.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: DEN06LA113
Status: Investigation completed
Duration: 6 months
Download report: Final report

Sources:

NTSB DEN06LA113

Revision history:

Date/timeContributorUpdates
08-Oct-2022 06:48 ASN Update Bot Added

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