# NTSB WPR23LA276: Cessna 150F, N300SS, Chelan, WA, July 18, 2023 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: July 18, 2023, 13:50 local (20:50 UTC) - Place: Chelan, WA · Lake Chelan Airport - Coordinates: 47.86601, -119.9427 - Nearby events: https://openairdocs.org/map.md?lat=47.8660&lon=-119.9427&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: 1 uninjured - Status: Completed - Report: Approved by Office Director - Investigation class: Class 4 - Basic report with no Prelim publish - NTSB office: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 192660 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR23LA276 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/192660/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=192660 - Page: https://openairdocs.org/ntsb/WPR23LA276 ## Probable cause The pilot's loss of directional control during the landing roll, which resulted in a ground loop and subsequent nose over. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot; cases with it: [Cessna 150F, 28 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=2071814), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md) - [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 150F, 14 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2071814), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/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: Attempted remediation/recovery](https://openairdocs.org/ntsb-events/060); cases with it: [Cessna 150F, 6 cases](https://openairdocs.org/ntsb-events/060/sequence.md?model=2071814), [All aircraft, 1,422 cases](https://openairdocs.org/ntsb-events/060/sequence.md) - [Landing-landing roll: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Cessna 150F, 12 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2071814), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) - [Landing-landing roll: Nose over/nose down](https://openairdocs.org/ntsb-events/096); cases with it: [Cessna 150F, 19 cases](https://openairdocs.org/ntsb-events/096/sequence.md?model=2071814), [All aircraft, 2,287 cases](https://openairdocs.org/ntsb-events/096/sequence.md) ## Analysis The pilot of the tailwheel equipped airplane reported that, during the landing roll the airplane veered left, he attempted to correct with opposite right rudder. The airplane then ground looped, the right wing struck the surface, and the airplane nosed over coming to rest inverted. The airplane sustained substantial damage to the empennage. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. ## Aircraft - Registration: [N300SS](https://openairdocs.org/deregistered/N300SS-2025-03-31), registration cancelled 2025-03-31, S/N 15062792, built 1966 (OpenAirDocs) - Reported make and model: CESSNA 150F - Registry model: [Cessna 150F](https://openairdocs.org/model/cessna-150f) (registry code 2071814) (OpenAirDocs) - Registry engine: [Continental 0-200 series](https://openairdocs.org/engine/continental-0-200-series) (registry code 17020, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 15062792 - Year built: 1966 - Airframe hours: 2538 - Engines: Lycoming O-320 D2A 160 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, February 15, 2023, 5 hours before - Departed: Loomis, WA - Destination: S10, Chelan, WA - Flight plan: VFR - Airport: S10, Lake Chelan Airport, runway 20, 3,506 × 60 ft, asphalt - Equipment: None ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 52; injuries: none; private; airplane ratings: single-engine land; medical: basicmed, without waivers/limitations; last flight review May 31, 2021; seat: left; flight hours: 277.9 total, 251 in this make and model, 5 in the last 90 days, 0.7 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 340° at 7 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 81 °F, dew point 39 °F - Altimeter: 30.07 inHg - Observed at: KEAT, 30 nm away - METAR: KEAT 182055Z AUTO 34007KT 10SM CLR 27/04 A3007 RMK AO2 SLP176 T02720039 58016 ## 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 20230718010659A](https://openairdocs.org/incident/20230718010659A), Jul 18, 2023: Cessna 150F, Chelan, WA, Substantial damage. Durning the landing rollout the airplane began to turn left. The pilot applied right rudder pressure and right brake to stop the turn. It appears that… ## Docket (2 files) The files NTSB released with the investigation on November 2, 2023, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=192660. 10.1 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 9 pages, 9.1 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=16186560&FileExtension=pdf&FileName=6120%20WPR23LA276%20Chelan,%20WA%20N300SS_Redacted-Rel.pdf - Photos (item 2, PDF, 1 page, 994 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=15877162&FileExtension=pdf&FileName=Photos%20WPR23LA276-Rel.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.