# NTSB WPR14CA314: Cessna 182Q, N624M, Warren, ID, July 26, 2014 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: July 26, 2014, 08:15 local (14:15 UTC) - Place: Warren, ID - Coordinates: 45.289413, -115.589103 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=45.2894&lon=-115.5891&mi=10 - Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping) - Defining event: [Taxi-into takeoff position: Miscellaneous/other](https://openairdocs.org/ntsb-events/900) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report September 2, 2014 - Report: Approved by Office Director - NTSB office: Western Pacific Region - Parties: FAA FSDO - NTSB case key (mKey): 89742 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR14CA314 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/89742/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=89742 - Page: https://openairdocs.org/ntsb/WPR14CA314 ## Probable cause The pilot's attempt to depart on an unpaved road, which he mistook for the unpaved runway. Contributing to the accident was the fact that the road and the runway were conjoined for the first few hundred feet of the runway. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Planning/preparation: flight planning/navigation](https://openairdocs.org/ntsb-findings/02061025): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Cessna 182Q, 2 cases](https://openairdocs.org/ntsb-findings/02061025/cases.md?model=2072732), [All aircraft, 179 cases](https://openairdocs.org/ntsb-findings/02061025/cases.md) - [Terrain: rough terrain](https://openairdocs.org/ntsb-findings/03021015): Environmental issues › Physical environment · Contributed to outcome; cases with it: [Cessna 182Q, 2 cases](https://openairdocs.org/ntsb-findings/03021015/cases.md?model=2072732), [All aircraft, 442 cases](https://openairdocs.org/ntsb-findings/03021015/cases.md) - [Airport facilities/design](https://openairdocs.org/ntsb-findings/03017000): Environmental issues › Operating environment · Availability of related info; cases with it: [Cessna 182Q, 1 case](https://openairdocs.org/ntsb-findings/03017000/cases.md?model=2072732), [All aircraft, 52 cases](https://openairdocs.org/ntsb-findings/03017000/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Taxi-into takeoff position: Miscellaneous/other](https://openairdocs.org/ntsb-events/900) (defining event); cases with it: [Cessna 182Q, 5 cases](https://openairdocs.org/ntsb-events/900/sequence.md?model=2072732), [All aircraft, 1,556 cases](https://openairdocs.org/ntsb-events/900/sequence.md) - [Takeoff: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Cessna 182Q, 28 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=2072732), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) - [Takeoff: Loss of control on ground](https://openairdocs.org/ntsb-events/230); cases with it: [Cessna 182Q, 13 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2072732), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) ## Analysis The private pilot/owner planned to fly to at least two back country airports in a neighboring state. His first destination was an unpaved United States Forest Service strip. The runway, designated 11/29, was reported to be 2,765 feet long and 50 feet wide. It was located in a narrow valley, and situated about 30 feet southwest of the main road that transited the valley. An unpaved road exited the main road immediately southeast of the threshold of runway 29, and then turned northwest to initially merge with the runway. About 300 feet northwest of the threshold, the unpaved road diverged slightly southwest of the runway, before assuming a track separate from but parallel to the runway. The pilot landed uneventfully on runway 11, and since the wind was calm, planned to depart from runway 29. He taxied to the end, turned around, and idled for a few minutes while reviewing the next flight leg. He then began his takeoff roll on what he believed to be runway 29, and at some point the left main tire struck a hole. The airplane veered to the left, and the left wingtip struck trees. This resulted in the pilot's inability to maintain directional control. The airplane veered further left, struck additional trees, and came to rest oriented about 90 degrees from the runway heading. The wings and fuselage sustained substantial damage, but the pilot was uninjured. Subsequent to the accident, the pilot recognized that he had inadvertently tracked the unpaved road instead of the runway for the takeoff attempt. Review of photographs of the runway environment indicated that the conjoined runway and road was conducive to such confusion. Commercial and Federal Aviation Administration documents contained a notation that the road crossed the runway about 800 feet from the threshold of runway 11, but the documents did not contain any information regarding the conjoining of the road and runway at the threshold of runway 29, or any remarks regarding the potential for confusion of the two. Subsequent to the accident, the Idaho Transportation Department added a cautionary note regarding the road to its Airport Facility Directory. ## Factual narrative The private pilot/owner planned to fly to at least two back country airports in a neighboring state. His first destination was an unpaved United States Forest Service strip. The runway, designated 11/29, was reported to be 2,765 feet long and 50 feet wide. It was located in a narrow valley, and situated about 30 feet southwest of the main road that transited the valley. An unpaved road exited the main road immediately southeast of the threshold of runway 29, and then turned northwest to initially merge with the runway. About 300 feet northwest of the threshold, the unpaved road diverged slightly southwest of the runway, before assuming a track separate from but parallel to the runway. The pilot landed uneventfully on runway 11, and since the wind was calm, planned to depart from runway 29. He taxied to the end, turned around, and idled for a few minutes while reviewing the next flight leg. He then began his takeoff roll on what he believed to be runway 29, and at some point the left main tire struck a hole. The airplane veered to the left, and the left wingtip struck trees. This resulted in the pilot's inability to maintain directional control. The airplane veered further left, struck additional trees, and came to rest oriented about 90 degrees from the runway heading. The wings and fuselage sustained substantial damage, but the pilot was uninjured. Subsequent to the accident, the pilot recognized that he had inadvertently tracked the unpaved road instead of the runway for the takeoff attempt. Review of photographs of the runway environment indicated that the conjoined runway and road was conducive to such confusion. Commercial and Federal Aviation Administration documents contained a notation that the road crossed the runway about 800 feet from the threshold of runway 11, but the documents did not contain any information regarding the conjoining of the road and runway at the threshold of runway 29, or any remarks regarding the potential for confusion of the two. Subsequent to the accident, the Idaho Transportation Department added a cautionary note regarding the road to its Airport Facility Directory. ## Aircraft - Registration: [N624M](https://openairdocs.org/aircraft/N624M), registered now, S/N 18266624, built 1978 (OpenAirDocs) - Reported make and model: CESSNA 182Q (Q) - Registry model: [Cessna 182Q](https://openairdocs.org/model/cessna-182q) (registry code 2072732) (OpenAirDocs) - Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 18266624 - Year built: 1978 - Airframe hours: 1498 - Engines: CONT MOTOR IO 550 SERIES 300 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Standard, Normal - Last inspection: Annual, May 1, 2014 - Departed: 3U1, Warren, ID - Destination: A05, Dixie, ID - Airport: 3U1, Warren USFS, runway 29, 2,765 × 50 ft, grass/turf - Equipment: Stall warning system ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 54; injuries: none; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, with waivers/limitations; last flight review August 4, 2012; seat: left; restraint: 3-point; flight hours: 499 total, 395 in this make and model, 401 as pilot in command, 59 in the last 90 days, 17 in the last 30 days, 4 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 100 statute miles - Lowest ceiling: none - Icing: Unknown ## 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 20140726011229A](https://openairdocs.org/incident/20140726011229A), Jul 26, 2014: Cessna 182Q, Warren, ID, Substantial damage. The pilot landed in Warren, ID (3U1), did not shut down, checked his flight plan for the day (next destination) the sectional and input the GPS destination.… ## Docket (7 files) The files NTSB released with the investigation on August 12, 2014, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=89742. 5.6 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 3.7 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414936&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.PDF - FAA Pilot Interview Summary (item 2, .PDF, 91 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414937&FileExtension=.PDF&FileName=FAA%20Pilot%20Interview%20Summary-Redacted.PDF - Photo 1 – Front View of Airplane After Accident (Photo Courtesy of Owner) (item 3, .PDF, 279 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414938&FileExtension=.PDF&FileName=Photo%201%20%E2%80%93%20Front%20View%20of%20Airplane%20After%20Accident%20(Photo%20Courtesy%20of%20Owner)%0D%0A-Master.PDF - Photo 2 – Rear View of Airplane After Accident (Photo Courtesy of Owner) (item 4, .PDF, 272 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414939&FileExtension=.PDF&FileName=Photo%202%20%E2%80%93%20Rear%20View%20of%20Airplane%20After%20Accident%20(Photo%20Courtesy%20of%20Owner)-Master.PDF - Airport Information (item 5, .PDF, 673 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414940&FileExtension=.PDF&FileName=Airport%20Information-Master.PDF - Original ITD Plate for 124 Warren USFS (item 6, .PDF, 460 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414941&FileExtension=.PDF&FileName=Original%20ITD%20Plate%20for%20124%20Warren%20USFS-Master.PDF - Revised ITD Plate for 124 Warren USFS (item 7, .PDF, 59 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40414942&FileExtension=.PDF&FileName=Revised%20ITD%20Plate%20for%20124%20Warren%20USFS-Master.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.