# NTSB ANC10CA078: Cessna U206F, N35851, Aleknagik, AK, August 27, 2010 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: August 27, 2010, 10:30 local (18:30 UTC) - Place: Aleknagik, AK - Coordinates: 59.946388, -158.198059 - Nearby events: https://openairdocs.org/map.md?lat=59.9464&lon=-158.1981&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Defining event: [Enroute-cruise: Birdstrike](https://openairdocs.org/ntsb-events/901) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report December 20, 2010 - Report: Approved by Office Director - NTSB office: Alaska Regional Office - NTSB case key (mKey): 77106 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC10CA078 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/77106/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=77106 - Page: https://openairdocs.org/ntsb/ANC10CA078 ## Probable cause A bird strike which penetrated the airplane's windscreen. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Windows-windshield system: flight compartment windows](https://openairdocs.org/ntsb-findings/01035610): Aircraft › Aircraft structures · Damaged/degraded; cases with it: [Cessna U206F, 1 case](https://openairdocs.org/ntsb-findings/01035610/cases.md?model=2073333), [All aircraft, 42 cases](https://openairdocs.org/ntsb-findings/01035610/cases.md) - [Object/animal/substance: animal(s)/bird(s)](https://openairdocs.org/ntsb-findings/03022045): Environmental issues › Physical environment · Effect on equipment (probable cause); cases with it: [Cessna U206F, 2 cases](https://openairdocs.org/ntsb-findings/03022045/cases.md?model=2073333), [All aircraft, 358 cases](https://openairdocs.org/ntsb-findings/03022045/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Enroute-cruise: Birdstrike](https://openairdocs.org/ntsb-events/901) (defining event); cases with it: [Cessna U206F, 2 cases](https://openairdocs.org/ntsb-events/901/sequence.md?model=2073333), [All aircraft, 253 cases](https://openairdocs.org/ntsb-events/901/sequence.md) ## Analysis The commercial pilot was on a local flight in support of a remote lodge operation, operating under Title 14, CFR Part 91. He said during cruise flight a Loon struck and penetrated the right side of the cockpit windscreen, and came to rest in the unoccupied passenger cabin. ## Factual narrative The commercial pilot was on a local flight in support of a remote lodge operation, operating under Title 14, CFR Part 91. He said during cruise flight a Loon struck and penetrated the right side of the cockpit windscreen, and came to rest in the unoccupied passenger cabin. ## Aircraft - Registration: [N35851](https://openairdocs.org/aircraft/N35851), registered now, S/N U20602757 (OpenAirDocs) - Reported make and model: CESSNA U206F - Registry model: [Cessna U206F](https://openairdocs.org/model/cessna-u206f) (registry code 2073333) (OpenAirDocs) - Registry engine: [Continental IO-550 series](https://openairdocs.org/engine/continental-io-550-series) (registry code 17042, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: U20602757 - Airframe hours: 6388 - Engines: CONT MOTOR IO 520 SERIES 285 horsepower reciprocating - Damage: Substantial damage - Flight: Other work use, Part 91 - Operator: Tikchik Narrows Lodge Inc - Registered owner: Tikchik Narrows Lodge Inc - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, August 18, 2010 - Departed: AK56, Tikchik Narrows, AK - Destination: AK56, Tikchik Narrows, AK - Flight plan: Company VFR ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 55; injuries: none; commercial; airplane ratings: single-engine sea, single-engine land; instrument ratings: airplane; medical: class 2, with waivers/limitations; last flight review July 21, 2010; seat: left; flight hours: 9,336 total, 2,140 in this make and model, 9,267 as pilot in command, 245 in the last 90 days, 120 in the last 30 days, 3 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Visibility: 10 statute miles - Lowest ceiling: 700 ft broken ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Accident 20100827043929A](https://openairdocs.org/incident/20100827043929A), Aug 27, 2010: Cessna U206F, Dillingham, AK, Substantial damage. N35851, a Cessna 206 operated by fred hodson was involved in a bird strike involving a loon. Loon struck and shattered the right side of the wind screen and… ## Other investigations on N35851 (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB ANC86LA004](https://openairdocs.org/ntsb/ANC86LA004), Oct 16, 1985: Cessna 206 (N35851), Tanana, AK, substantial damage ## Docket (1 files) The files NTSB released with the investigation on October 28, 2010, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=77106. 639 KB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 639 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40338413&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.PDF From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.