Accident Enstrom F28A N764PC,
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ASN Wikibase Occurrence # 285359
 
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Date:Friday 5 January 2007
Time:16:30 LT
Type:Silhouette image of generic EN28 model; specific model in this crash may look slightly different    
Enstrom F28A
Owner/operator:Vista Aviation, LLC
Registration: N764PC
MSN: 073
Year of manufacture:1971
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Bruceville, Texas -   United States of America
Phase: Unknown
Nature:Training
Departure airport:
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The 1,425-hour helicopter rated flight instructor and a 130-hour private helicopter pilot lifted-off in the piston-engine powered helicopter for a local instructional flight. The flight instructor planned to demonstrate "a hovering autorotation with forward speed." The instructor reported that "after initiating the maneuver, [he] failed to level the aircraft, [and] as the aircraft descended ... the toes of the landing skids contacted the ground." The helicopter continued rotating forward until the main rotor blades impacted the ground. As the helicopter rocked back, the main rotor blades then struck the tail-rotor driveshaft. In the Recommendation section of the NTSB Form 6120.1 (How could this accident have been prevented ?), the flight instructor stated that the accident could have been prevented if "the aircraft had no forward speed", "if aircraft touched down in a level attitude, or if the maneuver had been performed over a hard surface."

Probable Cause: The instructor pilot's improper demonstration of an autorotation, resulting in the helicopter's main rotor blades impacting the ground.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: 
Status: Investigation completed
Duration: 11 months
Download report: Final report

Sources:

NTSB DFW07CA053

Revision history:

Date/timeContributorUpdates
02-Oct-2022 08:40 ASN Update Bot Added

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