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ASN Wikibase Occurrence # 30987
Last updated: 16 July 2020
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Date:31-MAR-1998
Time:09:00 EST
Type:Silhouette image of generic UH1 model; specific model in this crash may look slightly different
Bell UH-1B
Owner/operator:Colony Services
Registration: N106CP
C/n / msn: 1170
Fatalities:Fatalities: 0 / Occupants: 1
Other fatalities:0
Aircraft damage: Substantial
Location:near Indiantown, Florida. -   United States of America
Phase: Take off
Nature:Agricultural
Departure airport:near Indiantown, Florida.
Destination airport:near Indiantown, Florida.
Narrative:
On liftoff from the trailer-mounted helipad, the agricultural spray helicopter experienced engine surging, followed shortly by a complete engine failure, resulting in collision with the bank of an irrigation canal. Subsequent teardown examination of the turbine engine revealed initial failure to be high temperature tensile overload failure, (a combination of temperature and rotational speed) of one or more of the power turbine blades. The lift-off weight of the helicopter was about 169 pounds over the certificated maximum lift-off gross weight.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:

A loss of engine power due to turbine blade failure caused by operating the engine in an over temperature and over speed condition. Contributing to the accident was the pilot's failure to observe the helicopter's maximum gross lift-off weight limit resulting in exceeding the helicopter's lift-off performance capabilities.

Sources:

https://www.ntsb.gov/aviationquery/brief2.aspx?ev_id=20001211X09750&ntsbno=MIA98LA114&akey=1


Revision history:

Date/timeContributorUpdates
27-Sep-2008 01:00 ASN archive Added
31-Oct-2011 22:49 Dr. John Smith Updated [Time, Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative]

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