Accident Cessna TU206A N206AK,
ASN logo
ASN Wikibase Occurrence # 291761
 
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information. If you feel this information is incomplete or incorrect, you can submit corrected information.

Date:Saturday 30 September 2006
Time:15:20 LT
Type:Cessna TU206A
Owner/operator:Private
Registration: N206AK
MSN: U2060521
Year of manufacture:1966
Total airframe hrs:2950 hours
Engine model:Continental TSIO 520C
Fatalities:Fatalities: 0 / Occupants: 2
Aircraft damage: Substantial
Category:Accident
Location:Juneau, Alaska -   United States of America
Phase: Unknown
Nature:Ferry/positioning
Departure airport:Cordova Seaplan, AK (CKU
Destination airport:Juneau, AK (5Z1)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
Narrative:
The commercial certificated pilot was on a cross-country positioning flight under Title 14, CFR Part 91, in a float-equipped airplane, when the number 6 engine cylinder separated from the engine through the engine cowling. The pilot made a hard emergency landing in steep ocean swells, and was able to beach the airplane. The airplane received structural damage to the wings and fuselage during the landing. An examination of the eight studs holding the number 6 cylinder to the engine case, revealed they were either broken or their threads were stripped. An examination of maintenance logbooks did not reveal any unresolved preaccident mechanical anomalies.

Probable Cause: The separation of the number 6 cylinder assembly from the engine during cruise flight, which resulted in a hard forced landing in rough ocean swells. A factor contributing to the accident was the rough ocean swells.

Accident investigation:
cover
  
Investigating agency: NTSB
Report number: ANC06LA144
Status: Investigation completed
Duration: 12 months
Download report: Final report

Sources:

NTSB ANC06LA144

Revision history:

Date/timeContributorUpdates
07-Oct-2022 18:38 ASN Update Bot Added

Corrections or additions? ... Edit this accident description

The Aviation Safety Network is an exclusive service provided by:
Quick Links:

CONNECT WITH US: FSF on social media FSF Facebook FSF Twitter FSF Youtube FSF LinkedIn FSF Instagram

©2024 Flight Safety Foundation

1920 Ballenger Av, 4th Fl.
Alexandria, Virginia 22314
www.FlightSafety.org