# NTSB WPR24LA026: Zlin Aviation Sro Savage, N866SA, Fairfield, UT, October 13, 2023 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: October 13, 2023, 15:00 local (21:00 UTC) - Place: Fairfield, UT - Coordinates: 40.243268, -112.09205 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=40.2433&lon=-112.0921&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: Approved by Office Director - Investigation class: Class 4 - Basic report with no Prelim publish - NTSB office: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 193341 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR24LA026 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/193341/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=193341 - Page: https://openairdocs.org/ntsb/WPR24LA026 ## Probable cause The pilot’s failure to maintain airplane control during the landing, which resulted in a ground loop. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Attention/monitoring: task monitoring/vigilance](https://openairdocs.org/ntsb-findings/02021520): Personnel issues › Psychological · Pilot (probable cause); cases with it: [Zlin Aviation Sro SAVAGE, 1 case](https://openairdocs.org/ntsb-findings/02021520/cases.md?model=0600003), [All aircraft, 330 cases](https://openairdocs.org/ntsb-findings/02021520/cases.md) - [Performance/control parameters: airspeed](https://openairdocs.org/ntsb-findings/01062010): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Zlin Aviation Sro SAVAGE, 1 case](https://openairdocs.org/ntsb-findings/01062010/cases.md?model=0600003), [All aircraft, 1,681 cases](https://openairdocs.org/ntsb-findings/01062010/cases.md) - [Performance/control parameters: descent/approach/glide path](https://openairdocs.org/ntsb-findings/01062040): Aircraft › Aircraft oper/perf/capability · Not attained/maintained (probable cause); cases with it: [Zlin Aviation Sro SAVAGE, 1 case](https://openairdocs.org/ntsb-findings/01062040/cases.md?model=0600003), [All aircraft, 809 cases](https://openairdocs.org/ntsb-findings/01062040/cases.md) - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Zlin Aviation Sro SAVAGE, 2 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=0600003), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/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: [Zlin Aviation Sro SAVAGE, 2 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=0600003), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) ## Analysis The pilot of the tailwheel-equipped airplane reported that he was distracted by a sick passenger during the landing. The pilot subsequently lost control of the airplane on the landing rollout, and the airplane ground looped. The airplane sustained substantial damage to the left wing and aileron. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. ## Aircraft - Registration: [N866SA](https://openairdocs.org/aircraft/N866SA), registered now, S/N 0130, built 2007 (OpenAirDocs) - Reported make and model: ZLIN AVIATION SRO SAVAGE - Registry model: [Zlin Aviation Sro SAVAGE](https://openairdocs.org/model/zlin-aviation-sro-savage) (registry code 0600003) (OpenAirDocs) - Registry engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572, 4 cycle) (OpenAirDocs) - Category: Airplane, amateur-built - Serial number: 0130 - Year built: 2007 - Engines: Rotax 912ULS 100 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Airworthiness certificate: Special, Special light-sport (Special) - Last inspection: Annual, October 24, 2022, 855 hours before - Departed: KBMC, Brigham City, UT - Destination: Same as departure - Airport: UT9, West Desert Airpark, runway 17, 2,600 × 24 ft, asphalt - Equipment: Electronic multifunction display, ADS-B, Electronic flight bag or handheld device ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 29; injuries: none; private, commercial, airline transport, flight instructor; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 1, without waivers/limitations; last flight review October 10, 2022; seat: front; restraint: 3-point; flight hours: 3,089 total, 120 in this make and model, 1,551 as pilot in command, 5 in the last 90 days, 1.3 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: 280° at 5 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 57 °F, dew point 39 °F - Altimeter: 30.13 inHg - Icing: Unknown - Turbulence: Unknown - Observed at: KPVU, 17 nm away - METAR: METAR KPVU 132056Z 28005KT 10SM CLR 14/04 A3013 RMK AO2 SLP187 T01390039 58015 ## 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 20231013020899A](https://openairdocs.org/incident/20231013020899A), Oct 13, 2023: Zlin Aviation Sro SAVAGE, Fairfield, UT, Substantial damage. Pilot's passenger became ill thereofore the pilot intended to land a UT9. On final approach to the runway the passenger seated behind the pilot began to vomit.… ## Docket (2 files) The files NTSB released with the investigation on June 6, 2024, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=193341. 6.7 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 9 pages, 6.4 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=16356790&FileExtension=pdf&FileName=WPR24LA026%206120_Redacted-Rel.pdf - Photos (item 2, PDF, 1 page, 318 KB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=16358080&FileExtension=pdf&FileName=Docket%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.