ASN Wikibase Occurrence # 73575
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| Date: | Tuesday 23 March 2010 |
| Time: | 14:15 |
| Type: |  Cessna U206B Skywagon |
| Owner/operator: | Homer Air |
| Registration: | N522HA |
| MSN: | U206-0755 |
| Year of manufacture: | 1966 |
| Total airframe hrs: | 10543 hours |
| Engine model: | Continental IO-520 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Homer Airport, AK -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Homer, AK (PAHO) |
| Nanwalek, AK (KEB) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot departed on a scheduled passenger flight and, shortly after takeoff, about 300 feet above the ground, the engine began to run rough, lose power, and vibrate violently. He attempted to return to the runway, but, during the turn, the airplane impacted snow-covered terrain, coming to rest inverted about 500 feet from the runway. The airplane sustained substantial damage to the wings, fuselage, and empennage. A postaccident examination revealed that the No. 4 engine cylinder head was cracked and separated from the cylinder barrel, resulting in the power loss. The pilot's decision to attempt to return to the departure runway with insufficient altitude, instead of landing in the 1,800 foot long clearway, precipitated a loss of control and impact with terrain, adding to the severity of the accident.
Probable Cause: The fatigue failure of the No. 4 engine cylinder head resulting in a loss of engine power. Contributing to the severity of the accident was the pilot's decision to attempt a low altitude turn back to the airport, resulting in a loss of control.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2010 22:16 | RobertMB | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 26-Nov-2017 15:56 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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