# NTSB WPR11CA464: Cessna 180, N9361C, Orcas Island, WA, September 24, 2011 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: September 24, 2011, 15:05 local (22:05 UTC) - Place: Orcas Island, WA - Coordinates: 48.708057, -122.910552 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=48.7081&lon=-122.9106&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) - Highest injury: No injuries - Injuries: 3 uninjured - Status: Completed, report December 1, 2011 - Report: Approved by Office Director - NTSB office: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 81885 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR11CA464 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/81885/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=81885 - Page: https://openairdocs.org/ntsb/WPR11CA464 ## Probable cause The pilot's failure to maintain directional control during landing, which resulted in a ground loop. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Performance/control parameters: directional control](https://openairdocs.org/ntsb-findings/01062020): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Cessna 180, 64 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2072602), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md) - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Cessna 180, 65 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=2072602), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/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: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Cessna 180, 80 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2072602), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Landing-landing roll: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Cessna 180, 54 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=2072602), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The pilot reported that during the landing roll he lost control of the airplane, which resulted in a ground loop to the right. A postaccident examination of the airplane revealed damage to the left wing and aileron. The pilot reported no preimpact mechanical malfunctions with the airplane that would have precluded normal operation. ## Factual narrative The pilot reported that during the landing roll he lost control of the airplane, which resulted in a ground loop to the right. A post accident examination of the airplane revealed damage to the left wing and aileron. The pilot reported no preimpact mechanical malfunctions with the airplane. About 10 minutes after the accident, the wind was reported as calm. ## Aircraft - Registration: [N9361C](https://openairdocs.org/aircraft/N9361C), registered now, S/N 31759, built 1955 (OpenAirDocs) - Reported make and model: CESSNA 180 (UNDESIGNAT) - Registry model: [Cessna 180](https://openairdocs.org/model/cessna-180) (registry code 2072602) (OpenAirDocs) - Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 31759 - Airframe hours: 3806 - Engines: Continental Motors O-470K 230 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Operator: Maynard L Haverly - Registered owner: Maynard L Haverly - Airworthiness certificate: Standard, Normal - Last inspection: Annual, June 28, 2011, 3 hours before - Departed: S36, Kent, WA - Destination: ORS, Orcas Island, WA - Airport: ORS, Orcas Island Airport, runway 16, 2,900 × 60 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 63; injuries: none; private; airplane ratings: single-engine land; medical: class 3, with waivers/limitations; last flight review September 8, 2010; seat: left; flight hours: 446 total, 164 in this make and model, 386 as pilot in command, 3 in the last 90 days, 3 in the last 30 days, 2 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 63 °F, dew point 57 °F - Altimeter: 29.64 inHg - Observed at: ORS ## 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 20110924022129A](https://openairdocs.org/incident/20110924022129A), Sep 24, 2011: Cessna 180, Orcas Island, WA, Substantial damage. Flight started at crest airpark (S36)pilot lost directional control of aircraft during landing and caught the left wing in the grass and ground looped the… ## Docket (2 files) The files NTSB released with the investigation on October 26, 2011, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=81885. 1.3 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 1.3 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40356228&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.PDF - Weather Data (item 2, .PDF, 53 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40356229&FileExtension=.PDF&FileName=Weather%20Data-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.