# NTSB WPR24LA276: Maule M4, N9849M, Scappoose, OR, August 6, 2024 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: August 6, 2024, 13:02 local (20:02 UTC) - Place: Scappoose, OR - Coordinates: 45.771028, -122.86183 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=45.7710&lon=-122.8618&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-flare/touchdown: 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): 194924 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR24LA276 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/194924/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=194924 - Page: https://openairdocs.org/ntsb/WPR24LA276 ## Probable cause The pilot’s loss of directional control after an encounter with a wind gust. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Wind: gusts](https://openairdocs.org/ntsb-findings/03034045): Environmental issues › Conditions/weather/phenomena · Response/compensation; cases with it: [Maule M-4-210C, 1 case](https://openairdocs.org/ntsb-findings/03034045/cases.md?model=5460112), [All aircraft, 1,199 cases](https://openairdocs.org/ntsb-findings/03034045/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: [Maule M-4-210C, 2 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=5460112), [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: [Maule M-4-210C, 5 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=5460112), [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-flare/touchdown: Other weather encounter](https://openairdocs.org/ntsb-events/400); cases with it: [Maule M-4-210C, 2 cases](https://openairdocs.org/ntsb-events/400/sequence.md?model=5460112), [All aircraft, 1,127 cases](https://openairdocs.org/ntsb-events/400/sequence.md) - [Landing-flare/touchdown: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Maule M-4-210C, 1 case](https://openairdocs.org/ntsb-events/230/sequence.md?model=5460112), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) ## Analysis The pilot reported that shortly after touching down in the tail wheel equipped airplane, as the tail was settling the airplane encountered a gust of wind from the right. The right wing lifted and the pilot was unable to maintain directional control, which resulted in a ground loop. The left main landing gear collapsed, and the left wing was substantially damaged. The pilot reported there were no mechanical failures or malfunctions that contributed to the accident. ## Aircraft - Registration: [N9849M](https://openairdocs.org/aircraft/N9849M), registered now, S/N 1032C, built 1966 (OpenAirDocs) - Reported make and model: MAULE M4 (210C) - Registry model: [Maule M-4-210C](https://openairdocs.org/model/maule-m-4-210c) (registry code 5460112) (OpenAirDocs) - Registry engine: [Continental IO-360 series](https://openairdocs.org/engine/continental-io-360-series) (registry code 17025, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 1032C - Year built: 1966 - Airframe hours: 2351 - Engines: Continental IO-360-A-1 210 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Standard, Normal - Last inspection: Annual, January 29, 2024 - Destination: Same as departure - Airport: KSPB, Scappoose Airport, runway 33, 5,100 × 100 ft, asphalt - Equipment: ADS-B, Stall warning system ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 52; injuries: none; private; airplane ratings: single-engine land; medical: class 3, with waivers/limitations; last flight review March 8, 2024; seat: left; restraint: lap only; flight hours: 130 total, 27 in this make and model, 62 as pilot in command, 28 in the last 90 days, 25 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 60° at 11 knots, gusting 17 - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 32 °F, dew point 32 °F - Altimeter: 30.16 inHg - Observed at: KSPB - METAR: KSPB 061953Z AUTO 06011G17KT 10SM CLR A3016 RMK AO2 SLPNO ## 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 20240806011239A](https://openairdocs.org/incident/20240806011239A), Aug 6, 2024: Maule M-4-210C, Scappoose, OR, Substantial damage. The PIC was sole occupant of [privacy data omitted] (Maule M4) on August 6th 2024, doing touch and go landings on runway (rwy) 33. On touch-down the aircraft… ## Docket (2 files) The files NTSB released with the investigation on March 6, 2025, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=194924. 2.4 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 2.1 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17520499&FileExtension=pdf&FileName=6120_Redacted-Rel.pdf - Photos (item 2, PDF, 4 pages, 3 photos, 304 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=17508240&FileExtension=pdf&FileName=WPR24LA276%20Photos-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.