Accident Rans S-12 N9230X,
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ASN Wikibase Occurrence # 43148
 
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Date:Saturday 17 July 1999
Time:14:00 LT
Type:Silhouette image of generic RS12 model; specific model in this crash may look slightly different    
Rans S-12
Owner/operator:Mark K. Anderson
Registration: N9230X
MSN: 397
Total airframe hrs:400 hours
Engine model:Bombardier ROTAX 582
Fatalities:Fatalities: 2 / Occupants: 2
Aircraft damage: Destroyed
Category:Accident
Location:Bowmont, ID -   United States of America
Phase: Manoeuvring (airshow, firefighting, ag.ops.)
Nature:Private
Departure airport:Nampa, ID (S67)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Several witnesses observed the airplane flying above the tree line, when the nose suddenly dropped and the airplane descended in a near-vertical attitude to the ground. One witness observed the airplane performing 'S' turns over a road just before he heard the sound of the collision. Other witnesses heard the engine operating at 'full throttle' or 'wound-up' as the aircraft was descending. During the post-crash inspection of the wreckage, no evidence of a mechanical failure or malfunction was found.

Probable Cause: Aircraft control was not maintained while maneuvering at low altitude. An inadvertent stall was a factor.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: SEA99LA120
Status: Investigation completed
Duration: 1 year and 4 months
Download report: Final report

Sources:

NTSB SEA99LA120

Location

Revision history:

Date/timeContributorUpdates
24-Oct-2008 10:30 ASN archive Added
21-Dec-2016 19:24 ASN Update Bot Updated [Time, Damage, Category, Investigating agency]
14-Dec-2017 08:41 ASN Update Bot Updated [Operator, Source, Narrative]
07-Apr-2024 19:11 ASN Update Bot Updated [Time, Operator, Other fatalities, Phase, Source, Narrative, Category, Accident report]

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