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ASN Wikibase Occurrence # 43960
Last updated: 1 December 2021
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Date:05-NOV-2006
Time:11:35
Type:Silhouette image of generic RAF2 model; specific model in this crash may look slightly different
RAF 2000 GTX
Owner/operator:Private
Registration: N107TM
MSN: H2-02-13-530
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Ridgely, MD -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Ridgely, MD (RJD)
Destination airport:
Investigating agency: NTSB
Narrative:
The pilot was practicing an air show routine. After making a number of low passes, then landing, he took off again. The gyroplane then made another approach, paralleled the runway, and made a shallow descent to about 60 to 75 feet. The pilot maintained that altitude and heading for a few seconds, then initiated a 45-degree climb followed by an "immediate" right turn. During the turn, the rotor blade sound changed from a high pitch, to a "Bell Huey" sound. The gyroplane then made a "pronounced roll" to the right and descended to the ground. Postaccident examination of the gyroplane revealed no evidence of any preimpact failure, and there was no evidence of the rotor blades having struck the rudder, horizontal stabilizer or winglets. The rotor hub and rotor blades exhibited evidence of upward coning, consistent with the rotor blades having lost rigidity due to low rpm.
Probable Cause: The pilot's failure to maintain rotor rpm while maneuvering, which resulted in a loss of rotor blade rigidity.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20061213X01783&key=1

Location


Revision history:

Date/timeContributorUpdates
28-Oct-2008 00:45 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
05-Dec-2017 09:29 ASN Update Bot Updated [Operator, Other fatalities, Source, Narrative, Plane category]

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