# NTSB WPR10CA409: Cessna TP206B, N8611Z, Saint Maries, ID, August 18, 2010 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: August 17, 2010, 19:15 local (Aug 18, 2010, 02:15 UTC) - Place: Saint Maries, ID - Coordinates: 47.326782, -116.58311 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=47.3268&lon=-116.5831&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-landing roll: Wildlife encounter (non-bird)](https://openairdocs.org/ntsb-events/310) - Highest injury: No injuries - Injuries: 2 uninjured - Status: Completed, report March 16, 2011 - Report: Approved by Office Director - NTSB office: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 77001 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR10CA409 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/77001/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=77001 - Page: https://openairdocs.org/ntsb/WPR10CA409 ## Probable cause A loss of aircraft control during takeoff due to an inadvertent collision with a deer that ran onto the runway. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [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 TP206B, 1 case](https://openairdocs.org/ntsb-findings/03022045/cases.md?model=2073311), [All aircraft, 358 cases](https://openairdocs.org/ntsb-findings/03022045/cases.md) - [Object/animal/substance: animal(s)/bird(s)](https://openairdocs.org/ntsb-findings/03022045): Environmental issues › Physical environment · Contributed to outcome (probable cause); cases with it: [Cessna TP206B, 1 case](https://openairdocs.org/ntsb-findings/03022045/cases.md?model=2073311), [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. - [Landing-landing roll: Wildlife encounter (non-bird)](https://openairdocs.org/ntsb-events/310) (defining event); cases with it: [Cessna TP206B, 1 case](https://openairdocs.org/ntsb-events/310/sequence.md?model=2073311), [All aircraft, 107 cases](https://openairdocs.org/ntsb-events/310/sequence.md) ## Analysis The certificated flight instructor (CFI) reported that during the landing roll a deer ran onto the runway in front of the airplane. The CFI applied full power and pulled up the nose to attempt a go-around. The deer struck the airplane’s nose and right main landing gear. The CFI reported that he could not maintain control of the airplane and the airplane struck the ground, sliding approximately 500 feet before coming to a rest. The airplane’s wings and empennage were substantially damaged. The CFI stated there were no mechanical failures or malfunctions with the airframe or engine prior to the accident. ## Factual narrative The certificated flight instructor (CFI) reported that during the landing roll, a deer ran onto the runway in front of the airplane. The CFI applied full power and pulled up the nose to attempt a go around. The deer struck the airplane’s nose and right main landing gears followed by the empennage. The CFI reported he could not maintain control of the airplane and the airplane struck the ground and slid approximately 500 feet before coming to a rest. The airplane’s wings and empennage were substantially damaged. The CFI stated there were no mechanical failures or malfunctions with the airframe or engine prior to the accident. ## Aircraft - Registration: [N8611Z](https://openairdocs.org/deregistered/N8611Z-2013-11-06), registration cancelled 2013-11-06, S/N P206-0411, built 1967 (OpenAirDocs) - Reported make and model: CESSNA TP206B - Registry model: [Cessna TP206B](https://openairdocs.org/model/cessna-tp206b) (registry code 2073311) (OpenAirDocs) - Registry engine: [Continental GTSIO-520-C](https://openairdocs.org/engine/continental-gtsio-520-c) (registry code 17035, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: P206-0411 - Engines: CONT MOTOR TSIO-520-C 285 horsepower reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Airworthiness certificate: Standard, Normal - Departed: S72, St Maries, ID - Destination: S72, St Maries, ID - Airport: S72, St Maries Municipal, runway 10, 4,250 × 60 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Flight instructor; age 57; injuries: none; flight instructor, airline transport; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, with waivers/limitations; last flight review August 3, 2010; seat: right; flight hours: 18,210 total, 2,000 in this make and model, 17,565 as pilot in command, 210 in the last 90 days, 70 in the last 30 days, 6 in the last 24 hours ## Weather - Conditions: Visual (VMC), Dusk - Wind: 50° at 4 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 84 °F, dew point 46 °F - Altimeter: 29.79 inHg - Observed at: KCOE, 33 nm away ## 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 20100817040939A](https://openairdocs.org/incident/20100817040939A), Aug 17, 2010: Cessna TP206B, St. Maries, IA, Substantial damage. N8611Z, a 1967 Cessna 206 received substanial damage as the result of hitting a small deer landing on runway 28 at the St. Maries, Idaho Airport. The deer… ## Other investigations on N8611Z (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 MKC80DCG24](https://openairdocs.org/ntsb/MKC80DCG24), Jun 3, 1980: Cessna 206 (N8611Z), Atchinson, KS, substantial damage ## Docket (1 files) The files NTSB released with the investigation on October 6, 2010, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=77001. 270 KB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 270 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40335414&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.