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ASN Wikibase Occurrence # 43224
Last updated: 6 April 2019
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Date:15-JAN-1991
Time:15:10
Type:Air Command 503
Owner/operator:private
Registration: unreg.
C/n / msn:
Fatalities:Fatalities: 1 / Occupants: 1
Other fatalities:0
Aircraft damage: Written off (damaged beyond repair)
Category:Accident
Location:Tomahawk, WI -   United States of America
Phase: En route
Nature:Private
Departure airport:
Destination airport:
Investigating agency: NTSB
Narrative:
THE PILOT OF AN UNREGISTERED GYRO-COPTER WAS MAKING TAKEOFFS AND LANDINGS IN CONDITIONS CONDUCIVE TO ICING. HE MADE A LANDING AND COMPLAINED OF ICE ON HIS GLASSES TO A WITNESS. WHEN NO GOGGLES COULD BE LOCATED HE STATED THAT HE WOULD MAKE ONE MORE TAKEOFF AND LANDING. ON THE DOWNWIND LEG OF THE FLIGHT THE AIRCRAFT WAS OBSERVED BY WITNESSES TO DEPART CONTROLLED FLIGHT, TUMBLE, AND IMPACT THE TERRAIN. WITNESSES STATED THAT DURING AN ATTEMPT TO REVIVE THE PILOT HE HAD AN ACCUMULATION OF ONE QUARTER INCH OF ICE OVER HIS EYES AND FACE. CAUSE: THE PILOT-IN-COMMAND'S ABRUPT MOVEMENT OF THE FLIGHT CONTROLS WHICH RESULTED IN LOSS OF ROTOR RPM AND EVENTUAL DEPARTURE FROM CONTROLLED FLIGHT. A FACTOR CONTRIBUTING WAS ICE ACCUMULATION ON THE PILOT'S FACE RESULTING IN PILOT INCAPACITATION (VISUAL DEFICIENTY).

Sources:

NTSB: http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001212X16270


Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added

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