# NTSB WPR10CA183: Stolp Starduster SA-300, N4493, Goodyear, AZ, March 28, 2010 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: March 28, 2010, 09:15 local (16:15 UTC) - Place: Goodyear, AZ - Coordinates: 33.42361, -112.374443 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=33.4236&lon=-112.3744&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-landing roll: Landing gear collapse](https://openairdocs.org/ntsb-events/094) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report July 1, 2010 - Report: Approved by Office Director - NTSB office: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 75589 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR10CA183 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/75589/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=75589 - Page: https://openairdocs.org/ntsb/WPR10CA183 ## Probable cause The pilot's failure to maintain directional control during landing rollout with a quartering tailwind, resulting in collapse of the right main landing gear. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Landing gear system: main landing gear](https://openairdocs.org/ntsb-findings/01023210): Aircraft › Aircraft systems · Failure; cases with it: [Stolp Starduster SA-300, 1 case](https://openairdocs.org/ntsb-findings/01023210/cases.md?model=86601S7), [All aircraft, 241 cases](https://openairdocs.org/ntsb-findings/01023210/cases.md) - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Stolp Starduster SA-300, 2 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=86601S7), [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: [Stolp Starduster SA-300, 1 case](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=86601S7), [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: Landing gear collapse](https://openairdocs.org/ntsb-events/094) (defining event); cases with it: [Stolp Starduster SA-300, 1 case](https://openairdocs.org/ntsb-events/094/sequence.md?model=86601S7), [All aircraft, 1,787 cases](https://openairdocs.org/ntsb-events/094/sequence.md) ## Analysis The pilot reported that during the landing roll of his experimental category biplane, a gust from a left quartering tailwind caused the airplane to drift left. When he corrected the drift with right rudder input the right main landing gear collapsed, causing damage to the right lower wing. ## Factual narrative The pilot reported that during the landing roll of his experimental category biplane, a gust from a left quartering tail wind caused the airplane to drift left. When he corrected the drift with right rudder input the right main landing gear collapsed causing damage to the right lower wing. ## Aircraft - Registration: [N4493](https://openairdocs.org/deregistered/N4493-2018-03-14), registration cancelled 2018-03-14, S/N 224, built 1971 (OpenAirDocs) - Reported make and model: STOLP STARDUSTER SA-300 - Registry model: [Stolp Starduster SA-300](https://openairdocs.org/model/stolp-starduster-sa-300) (registry code 86601S7) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: 224 - Airframe hours: 880 - Engines: LYCOMING 0-320 SERIES 180 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Condition, May 20, 2009 - Departed: KGYR, Goodyear, AZ - Destination: KGYR, Goodyear, AZ - Airport: KGYR, Goodyear, runway 21, 8,500 × 150 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 75; injuries: none; private; airplane ratings: single-engine land; medical: class 3; last flight review May 29, 2009; seat: rear; flight hours: 2,930 total, 10 in this make and model, 60 in the last 90 days, 15 in the last 30 days, 1 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: variable at 6 knots - Visibility: 30 statute miles - Lowest ceiling: none - Temperature: 70 °F, dew point 19 °F - Altimeter: 30.23 inHg - Observed at: KGYR ## 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 20100328031679A](https://openairdocs.org/incident/20100328031679A), Mar 28, 2010: Stolp Stard SA-300, Goodyear, AZ, Substantial damage. After three touch and go's, upon 4th touch down, right main landing gear strut collapsed inboard, causing right lower wing structure to contact runway, upper… ## Other investigations on N4493 (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 ERA14FA256](https://openairdocs.org/ntsb/ERA14FA256), May 26, 2014: Stolp Starduster SA-300 (N4493), Newton, NC, substantial damage, 1 fatal. Probable cause: The pilot’s failure to recover from an intentional spin. Contributing to the accident was the pilot’s lack of adequate spin entry and recovery training. ## Docket (1 files) The files NTSB released with the investigation on April 9, 2010, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=75589. 154 KB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 154 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40328202&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Redacted.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.