# NTSB ANC21LA058: Maule M-5-210C, N349X, Anchorage, AK, July 7, 2021 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: July 7, 2021, 15:00 local (23:00 UTC) - Place: Anchorage, AK - Coordinates: 61.161813, -149.98618 - Nearby events: https://openairdocs.org/map.md?lat=61.1618&lon=-149.9862&mi=10 - Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping) - Defining event: [Approach-VFR go-around: Collision during takeoff/land](https://openairdocs.org/ntsb-events/490) - 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: Alaska Regional Office - NTSB case key (mKey): 103469 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC21LA058 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/103469/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=103469 - Page: https://openairdocs.org/ntsb/ANC21LA058 ## Probable cause The pilot’s impact with a log while dragging an off-airport landing site. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Attention/monitoring: monitoring environment](https://openairdocs.org/ntsb-findings/02021545): Personnel issues › Psychological · Pilot (probable cause); cases with it: [Maule M-5-210C, 1 case](https://openairdocs.org/ntsb-findings/02021545/cases.md?model=5460134), [All aircraft, 809 cases](https://openairdocs.org/ntsb-findings/02021545/cases.md) - [Object/animal/substance: debris/dirt/foreign object](https://openairdocs.org/ntsb-findings/03022055): Environmental issues › Physical environment · Effect on equipment (probable cause); cases with it: [Maule M-5-210C, 1 case](https://openairdocs.org/ntsb-findings/03022055/cases.md?model=5460134), [All aircraft, 101 cases](https://openairdocs.org/ntsb-findings/03022055/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Approach-VFR go-around: Collision during takeoff/land](https://openairdocs.org/ntsb-events/490) (defining event); cases with it: [Maule M-5-210C, 1 case](https://openairdocs.org/ntsb-events/490/sequence.md?model=5460134), [All aircraft, 1,309 cases](https://openairdocs.org/ntsb-events/490/sequence.md) ## Analysis The pilot of the tailwheel-equipped airplane reported that he was practicing dragging an off-airport landing site when he impacted a log during the go-around. After evaluating the damage, he elected to return to the departure airport and conducted an emergency landing which resulted in a ground loop and nose-down. The airplane sustained substantial damage to the rudder. The pilot reported that there were no preaccident mechanical malfunctions or anomalies with the airplane that would have precluded normal operation. ## Aircraft - Registration: [N349X](https://openairdocs.org/aircraft/N349X), registered now, S/N 6161C, built 1976 (OpenAirDocs) - Reported make and model: MAULE M-5-210C - Registry model: [Maule M-5-210C](https://openairdocs.org/model/maule-m-5-210c) (registry code 5460134) (OpenAirDocs) - Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs) - Category: Airplane - Serial number: 6161C - Year built: 1976 - Airframe hours: 1409.18 - Engines: Continental IO-360-D33A 210 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Christopher Coplin - Airworthiness certificate: Standard, Normal - Last inspection: Annual, October 17, 2020 - Departed: Willow, AK - Destination: Same as departure - Airport: LHD, Lake Hood, runway 14/32, 2,200 × 75 ft, dirt - Equipment: Electronic flight bag or handheld device, Stall warning system ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 29; injuries: none; private; airplane ratings: single-engine land; medical: class 3, without waivers/limitations; last flight review January 28, 2020; seat: left; restraint: 3-point; flight hours: 131 total, 19 in this make and model, 69 as pilot in command ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 9 statute miles - Lowest ceiling: 3,500 ft broken - Temperature: 57 °F, dew point 45 °F - Altimeter: 29.85 inHg - Observed at: PALH, 1 nm away - METAR: PALH 072153Z 00000KT 9SM BKN035 14/07 A2985 RMK AO2 SLP108 T01440072 ## FAA reports on this event (1) The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs). - [Incident 20210707012749I](https://openairdocs.org/incident/20210707012749I), Jul 7, 2021: Maule M-5-210C, Anchorage, AK, Minor damage. Pilot was conducting off airport training. The instructor was in another aircraft observing and instructing. Pilot was conducting touch and go landings on sand… ## Other investigations on N349X (1) 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. - [NTSB SEA01LA126](https://openairdocs.org/ntsb/SEA01LA126), Jul 6, 2001: Maule M-5-210C (N349X), Big Creek, ID, substantial damage. Probable cause: The pilot's failure to adequately compensate for the wind conditions during the landing roll. High and gusting winds were factors. ## Docket (2 files) The files NTSB released with the investigation on November 12, 2021, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=103469. 3.8 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 9 pages, 2.9 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=12505426&FileExtension=pdf&FileName=6120_Redacted-Rel.pdf - Photos (item 2, PDF, 2 pages, 931 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=12637558&FileExtension=pdf&FileName=Photo%20array-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.