# NTSB ANC25LA121: Maule M-4-210C, N4612T, Lime Village, AK, September 18, 2025 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: September 17, 2025, 18:25 local (Sep 18, 2025, 02:25 UTC) - Place: Lime Village, AK · Remote airstrip - Coordinates: 61.71947, -153.36714 - Nearby events: https://openairdocs.org/map.md?lat=61.7195&lon=-153.3671&mi=10 - Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping) - Defining event: [Takeoff: Unknown or undetermined](https://openairdocs.org/ntsb-events/000) - Highest injury: No injuries - Injuries: 3 uninjured - Status: Completed, report June 22, 2026 - Report: Approved by Office Director - Investigation class: Class 4 - Basic report with no Prelim publish - NTSB office: Alaska Regional Office - Parties: FAA - NTSB case key (mKey): 201915 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC25LA121 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/201915/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=201915 - Page: https://openairdocs.org/ntsb/ANC25LA121 ## Probable cause A collision with terrain during takeoff. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Terrain](https://openairdocs.org/ntsb-findings/03021000): Environmental issues › Physical environment · Effect on operation; cases with it: [Maule M-4-210C, 1 case](https://openairdocs.org/ntsb-findings/03021000/cases.md?model=5460112), [All aircraft, 267 cases](https://openairdocs.org/ntsb-findings/03021000/cases.md) - [Experience/qualifications: qualification/certification](https://openairdocs.org/ntsb-findings/02031010): Personnel issues › Experience/knowledge · Pilot; cases with it: [Maule M-4-210C, 1 case](https://openairdocs.org/ntsb-findings/02031010/cases.md?model=5460112), [All aircraft, 280 cases](https://openairdocs.org/ntsb-findings/02031010/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) - [Performance/control parameters](https://openairdocs.org/ntsb-findings/01062000): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Maule M-4-210C, 1 case](https://openairdocs.org/ntsb-findings/01062000/cases.md?model=5460112), [All aircraft, 1,269 cases](https://openairdocs.org/ntsb-findings/01062000/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Takeoff: Unknown or undetermined](https://openairdocs.org/ntsb-events/000) (defining event); cases with it: [Maule M-4-210C, 1 case](https://openairdocs.org/ntsb-events/000/sequence.md?model=5460112), [All aircraft, 1,703 cases](https://openairdocs.org/ntsb-events/000/sequence.md) - [Takeoff: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Maule M-4-210C, 4 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=5460112), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis Witnesses reported a tailwheel-equipped airplane crashed on takeoff from a remote gravel bar. The non-certificated pilot did not report the accident, and the pilot and passengers did not provide statements. The wreckage was not available for examination. The airplane sustained substantial damage to both wing lift struts. The pilot did not submit the National Transportation Safety Board Pilot/Operator Aircraft Accident/Incident Report Form 6120.1. ## Aircraft - Registration: [N4612T](https://openairdocs.org/aircraft/N4612T), registered now, S/N 1001C (OpenAirDocs) - Reported make and model: MAULE M-4-210C - 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: 1001C - Engines: Continental IO-360 210 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Standard, Normal - Equipment: Unknown ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 39; injuries: unknown; medical: class 3, without waivers/limitations ## Weather - Conditions: Visual (VMC), Day - Wind: 190° at 5 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 59 °F, dew point 43 °F - Altimeter: 29.53 inHg - Observed at: ATK, 99 nm away - METAR: METAR PATK 180253Z AUTO 19005KT 10SM CLR 15/06 A2953 RMK AO2 SLP003 T01500061 53007 TSNO $= ## 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 20250917018849A](https://openairdocs.org/incident/20250917018849A), Sep 17, 2025: Maule M-4-210C, Lime Village, AK, Substantial damage. During investigation into [privacy data omitted] accident, it was discovered that the pilot, also the [privacy data omitted], did not report the accident and… ## Docket (3 files) The files NTSB released with the investigation on June 22, 2026, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=201915. 999 KB in all. - Memorandum for record (item 1, PDF, 2 pages, 123 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=19518040&FileExtension=pdf&FileName=ANC25LA121%20MOR_Redacted-Rel.pdf - Pilot's statement (item 2, PDF, 1 page, 67 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=19679533&FileExtension=pdf&FileName=ANC25LA121%20Pilot%20statement-Rel.pdf - Investigative photograph (item 3, PDF, 1 page, 809 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=19518308&FileExtension=pdf&FileName=ANC25LA121%20photo-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.