Accident Kolb Twinstar Mark-III N128BB,
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ASN Wikibase Occurrence # 43097
 
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Date:Tuesday 8 April 1997
Time:12:00 LT
Type:Kolb Twinstar Mark-III
Owner/operator:Ivor James Lee Ii
Registration: N128BB
MSN: 1015
Engine model:Rotax 912
Fatalities:Fatalities: 1 / Occupants: 1
Aircraft damage: Substantial
Category:Accident
Location:Winter Haven, FL -   United States of America
Phase: Initial climb
Nature:Private
Departure airport:(KGIF)
Destination airport:
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
Witnesses located at a seaplane base and boaters on a lake observed the airplane making touch-and-go landings at the lake. The airplane took off to the north and turned to the west. Blue and white smoke was observed coming from the vicinity of the engine. The airplane appeared to loose forward airspeed while in a climb at about 100 to 200 feet. The left wing dropped, then the airplane entered a spin to the left and collided with a house trailer and the ground. Examination revealed the oil sump return line was disconnected from the oil sump, and oil was found on the leading edge of the empennage (behind the engine). The oil sump was empty, and the stainless steel clamp on the return line was loose. No other precrash mechanical failure was found with the engine, airframe, or flight controls.

Probable Cause: failure of the pilot to maintain airspeed after an oil leak occurred, which resulted in an inadvertent stall/spin and subsequent collision with a residence and the terrain. The oil leak and the pilot's diverted attention were related factors.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: MIA97LA120
Status: Investigation completed
Duration: 4 months
Download report: Final report

Sources:

NTSB MIA97LA120

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]
08-Apr-2024 16:04 ASN Update Bot Updated [Time, Operator, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report]

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