ASN Wikibase Occurrence # 43535
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Date: | Tuesday 4 February 1992 |
Time: | 14:45 |
Type: | Ken Brock KB-2 |
Owner/operator: | private |
Registration: | N169RM |
MSN: | L169844 |
Total airframe hrs: | 173 hours |
Fatalities: | Fatalities: 1 / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Rosamond, CA -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Private |
Departure airport: | |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:DURING A LOCAL AREA FLIGHT THE PILOT WAS OBSERVED CIRCLING OVER A RESIDENTIAL AREA AT A LOW ALTITUDE. THE PILOT INITIATED AN ABRUPT TURNING MANEUVER WHILE CHANGING THE EXPERIMENTAL GYROPLANE'S PITCH ATTITUDE. ROTOR RPM DECREASED AND THE BLADES BEGAN EXCESSIVELY FLAPPING. THE BLADES COLLIDED WITH AND SEVERED THE RUDDER AND PROPELLER. THEREAFTER, THE GYROPLANE NOSED DOWN AND DESCENDED (UNCONTROLLED) INTO A CITY STREET. CAUSE: THE PILOT'S FAILURE TO MAINTAIN MAIN ROTOR RPM ADEQUATE TO AVOID FLAPPING. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE RELATED TO THE PILOT'S PERFORMANCE OF AN EXCESSIVELY ABRUPT MANEUVER.
Sources:
NTSB:
http://www.ntsb.gov/ntsb/brief.asp?ev_id=20001211X14126 Revision history:
Date/time | Contributor | Updates |
24-Oct-2008 10:30 |
ASN archive |
Added |
21-Dec-2016 19:24 |
ASN Update Bot |
Updated [Time, Damage, Category, Investigating agency] |
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