# NTSB GAA16CA136: Fox AL KIT FOX Model, N6394R, Slate Creek, ID, February 7, 2016 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: February 7, 2016, 13:45 local (21:45 UTC) - Place: Slate Creek, ID - Coordinates: 45.629722, -116.47528 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=45.6297&lon=-116.4753&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: 2 uninjured - Status: Completed, report May 3, 2016 - Report: Approved by Office Director - NTSB office: General Aviation Accidents - Parties: FAA - NTSB case key (mKey): 92778 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=GAA16CA136 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/92778/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=92778 - Page: https://openairdocs.org/ntsb/GAA16CA136 ## Probable cause The left main landing gear forward gear tube collapsed during the landing roll. ## 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 (probable cause); cases with it: [Fox AL KIT FOX MODEL IV, 1 case](https://openairdocs.org/ntsb-findings/01023210/cases.md?model=05607RD), [All aircraft, 241 cases](https://openairdocs.org/ntsb-findings/01023210/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: [Fox AL KIT FOX MODEL IV, 1 case](https://openairdocs.org/ntsb-events/094/sequence.md?model=05607RD), [All aircraft, 1,787 cases](https://openairdocs.org/ntsb-events/094/sequence.md) - [Landing-landing roll: Collision with terr/obj (non-CFIT) ](https://openairdocs.org/ntsb-events/470); cases with it: [Fox AL KIT FOX MODEL IV, 1 case](https://openairdocs.org/ntsb-events/470/sequence.md?model=05607RD), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The pilot of a tailwheel equipped airplane reported that during the landing roll, the left main landing gear slowly collapsed forward. During a postaccident examination of the airframe by the pilot it was revealed that the left main landing forward gear tube had collapsed, which resulted in substantial damage to the landing gear mounting bracket. Photographs provided by the pilot substantiated that the landing gear had collapsed forward. ## Factual narrative The pilot of a tailwheel equipped airplane reported that during the landing roll, the left main landing gear slowly collapsed forward. During a postaccident examination of the airframe by the pilot it was revealed that the left main landing forward gear tube had collapsed, which resulted in substantial damage to the landing gear mounting bracket. Photographs provided by the pilot substantiated that the landing gear had collapsed forward. ## Aircraft - Registration: [N6394R](https://openairdocs.org/aircraft/N6394R), registered now, S/N 1523AF, built 2000 (OpenAirDocs) - Reported make and model: FOX AL KIT FOX MODEL (IV) - Registry model: [Fox AL KIT FOX MODEL IV](https://openairdocs.org/model/fox-al-kit-fox-model-iv) (registry code 05607RD) (OpenAirDocs) - Registry engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050, reciprocating) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: 1523AF - Year built: 1991 - Airframe hours: 676.4 - Engines: Rotax 912UL 80 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Special, Experimental (Special) - Last inspection: Condition, January 11, 2016 - Departed: NoID, Imnaha, OR - Destination: None, Slate Creek, ID - Airport: None, Pittsburg Landing, runway 15, 850 × 50 ft, grass/turf - Equipment: Handheld GPS ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 58; injuries: none; sport pilot; airplane ratings: single-engine land; medical: sport pilot; last flight review November 7, 2014; seat: left; restraint: 4-point; flight hours: 314 total, 301 in this make and model, 286 as pilot in command, 6 in the last 90 days, 4 in the last 30 days, 2 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 100° at 6 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 43 °F, dew point 34 °F - Altimeter: 30.56 inHg - Observed at: KGIC, 24 nm away ## 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 20160207004339I](https://openairdocs.org/incident/20160207004339I), Feb 7, 2016: Fox Al KIT FOX MODEL IV, White Bird, ID, Substantial damage. During Landing rollout this aircraft's left main gear (forward leg) failed. The forward gear leg collapsed and the aircraft propeller (under power) and left… ## Docket (2 files) The files NTSB released with the investigation on April 26, 2016, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=92778. 2.9 MB in all. - Pilot/Operator Aircraft Accident Report, NTSB Form 6120.1 (item 1, .PDF, 1.9 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40439325&FileExtension=.PDF&FileName=Pilot%2FOperator%20Aircraft%20Accident%20Report,%20NTSB%20Form%206120.1-Master.PDF - Accident Photos (Courtesy of Pilot) (item 2, .PDF, 3 photos, 1.1 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=40439326&FileExtension=.PDF&FileName=Accident%20Photos%20(Courtesy%20of%20Pilot)-Master.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.