# NTSB ANC08CA090: Cessna 180G, N4631U, Anchorage, AK, July 28, 2008 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: July 28, 2008, 13:00 local (21:00 UTC) - Place: Anchorage, AK - Coordinates: 61.213611, -149.844451 - Nearby events: https://openairdocs.org/map.md?lat=61.2136&lon=-149.8445&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: 2 uninjured - Status: Completed, report August 28, 2008 - Report: Approved by Office Director - NTSB office: Alaska Regional Office - Parties: Anchorage FSDO-03 - NTSB case key (mKey): 68644 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC08CA090 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/68644/pdf - Page: https://openairdocs.org/ntsb/ANC08CA090 ## Probable cause The pilot's failure to maintain directional control during landing. Contributing to the accident was an inadvertent 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 180G, 4 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2072616), [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: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Cessna 180G, 5 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2072616), [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 180G, 5 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=2072616), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The private certificated pilot was practicing touch and go landings under Title 14, CFR Part 91, when the accident occurred. The pilot said he failed to maintain directional control during landing, and the airplane swerved to the left, striking the right wing on the ground. The airplane sustained damage to the right wing leading edge and ribs. He said there were no known mechanical problems with the airplane prior to the accident. ## Factual narrative The private certificated pilot was practicing touch and go landings under Title 14, CFR Part 91, when the accident occurred. The pilot said he failed to maintain directional control during landing, and the airplane swerved to the left, striking the right wing on the ground. The airplane sustained damage to the right wing leading edge and ribs. He said there were no known mechanical problems with the airplane prior to the accident. ## Aircraft - Registration: [N4631U](https://openairdocs.org/aircraft/N4631U), registered now, S/N 18051331, built 1963 (OpenAirDocs) - Reported make and model: Cessna 180G - Registry model: [Cessna 180G](https://openairdocs.org/model/cessna-180g) (registry code 2072616) (OpenAirDocs) - Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 18051331 - Airframe hours: 4600 - Engines: Continental O-470 230 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: David Streubel - Airworthiness certificate: Standard, Normal - Last inspection: Annual, June 1, 2008 - Departed: PAMR, Anchorage, AK ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 38; injuries: none; private; airplane ratings: single-engine land, single-engine sea; medical: class 3, without waivers/limitations; last flight review May 1, 2006; seat: left; flight hours: 550 total, 40 in this make and model, 2 in the last 90 days, 2 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: 190° at 5 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 57 °F, dew point 64 °F - Altimeter: 29.79 inHg - Observed at: PAMR ## 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 20080728843119A](https://openairdocs.org/incident/20080728843119A), Jul 28, 2008: Cessna 180G, Anchorage, AK, Substantial damage. (-23) Airman told investigators that he was performing touch and goes at Merrill Field in preparation to leave the state with the aircraft. On landing the… ## Other investigations on N4631U (3) 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 ANC25FA001](https://openairdocs.org/ntsb/ANC25FA001), Oct 5, 2024: Cessna 180 (N4631U), Big Lake, AK, substantial damage, 1 fatal, investigation ongoing - [NTSB ANC76DAH89](https://openairdocs.org/ntsb/ANC76DAH89), Sep 23, 1976: Cessna 180 (N4631U), Kulik Lake, AK, substantial damage - [NTSB FTW70D0189](https://openairdocs.org/ntsb/FTW70D0189), Aug 29, 1969: Cessna 180G (N4631U), Leeville, LA, substantial damage 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.