Accident Helio H-391-B N173K,
ASN logo
ASN Wikibase Occurrence # 361181
 
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Date:Thursday 7 October 1993
Time:18:35 LT
Type:Silhouette image of generic COUR model; specific model in this crash may look slightly different    
Helio H-391-B
Owner/operator:Private
Registration: N173K
MSN:
Fatalities:Fatalities: 0 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Beaver Creek, AK -   United States of America
Phase: En route
Nature:Ferry/positioning
Departure airport:Fort Yukon, AK (FYU)
Destination airport:Fairbanks, AK (FAI)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
THE PILOT STATED THAT THE AIRPLANE LOST POWER. HE ALSO STATED THAT HE HAD 10 GALLONS OF FUEL IN THE RIGHT TANK AND 15 GALLONS OF FUEL IN THE LEFT AND THAT THE AIRPLANE DID NOT RUN OUT OF FUEL. DURING HIS ENGINE OUT DESCENT, HE ALLOWED THE AIRSPEED TO DISSIPATE BELOW 65 KNOTS. THE PILOT'S MANUAL STATES THAT BELOW 65 KNOTS, THE SLATS AUTOMATICALLY DEPLOY AND THE GLIDE PATH STEEPENS CONSIDERABLY. THE PILOT MISSED THE INTENDED FORCED LANDING AREA.

Probable Cause: THE PILOT'S FAILURE TO MAINTAIN THE REQUIRED AIRSPEED DURING THE EMERGENCY DESCENT AS PUBLISHED IN THE PILOT'S MANUAL. A FACTOR IS THE LOSS OF ENGINE POWER FOR UNDETERMINED REASONS.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ANC94LA007
Status: Investigation completed
Duration: 1 year 1 month
Download report: Final report

Sources:

NTSB ANC94LA007

Revision history:

Date/timeContributorUpdates
16-Mar-2024 15:38 ASN Update Bot Added

Corrections or additions? ... Edit this accident description

The Aviation Safety Network is an exclusive service provided by:
Quick Links:

CONNECT WITH US: FSF on social media FSF Facebook FSF Twitter FSF Youtube FSF LinkedIn FSF Instagram

©2024 Flight Safety Foundation

1920 Ballenger Av, 4th Fl.
Alexandria, Virginia 22314
www.FlightSafety.org