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ASN Wikibase Occurrence # 208470
Last updated: 30 March 2020
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Date:09-NOV-1994
Time:17:40
Type:Silhouette image of generic S76 model; specific model in this crash may look slightly different
Sikorsky S-76A
Owner/operator:
Registration: VH-HUD
C/n / msn: 760138
Fatalities:Fatalities: 0 / Occupants:
Other fatalities:0
Aircraft damage: Substantial
Location:Karratha Airport (YPKA), Karratha, WA -   Australia
Phase: Landing
Nature:Training
Departure airport:YPKA
Destination airport:YPKA
Investigating agency: BASI
Narrative:
The check and training pilot was demonstrating a single engine approach to a simulated helideck in crosswind conditions and towards the setting sun. As the aircraft entered the flare for landing the pilot misjudged the approach and adopted a higher than normal nose attitude. During the manipulation of the controls to complete the landing the pilot lowered the collective control whilst holding aft cyclic control. This resulted in one main rotor blade striking the base of the vertical fin. The pilot felt the contact but assumed it was a tail skid strike. The skid was inspected, and when no damage was found, the flight was continued. The blade strike was discovered after the flight was completed. The possibility of a blade strike on the tail during single engine landings is a known problem and is covered in Sikorsky Aircraft Customer Service Notice 76-62. The pilot was aware of the contents of this notice.

Sources:

https://www.atsb.gov.au/publications/investigation_reports/1994/aair/199403351/
https://www.atsb.gov.au/media/4934295/199403351.pdf

Accident investigation:
cover
  
Investigating agency: BASI
Status: Investigation completed
Duration:
Download report: Final report


Revision history:

Date/timeContributorUpdates
30-Mar-2018 05:46 Pineapple Added

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