# NTSB WPR23LA114: Cessna 172K, N84717, Ephraim, UT, February 24, 2023 - Type: NTSB accident investigation - Classification: Accident · No injuries · Class 4 · Limited · Final report - Date: February 24, 2023, 12:15 local (19:15 UTC) - Place: Ephraim, UT · 49U - Coordinates: 39.331417, -111.61261 - Nearby events: https://openairdocs.org/map.md?lat=39.3314&lon=-111.6126&mi=10 - Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping) - Defining event: [Landing-flare/touchdown: Loss of control on ground](https://openairdocs.org/ntsb-events/230) - 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: Western Pacific Region - Parties: Federal Aviation Administration - NTSB case key (mKey): 106788 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=WPR23LA114 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/106788/pdf - NTSB docket: https://data.ntsb.gov/Docket?ProjectID=106788 - Page: https://openairdocs.org/ntsb/WPR23LA114 ## Probable cause The pilot’s improper landing flare and loss of directional control. ## Findings NTSB's coded findings; those marked are part of the probable cause. - [Use of equip/info: aircraft control](https://openairdocs.org/ntsb-findings/02063040): Personnel issues › Task performance · Pilot (probable cause); cases with it: [Cessna 172K, 33 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md?model=2072430), [All aircraft, 9,295 cases](https://openairdocs.org/ntsb-findings/02063040/cases.md) - [Performance/control parameters: landing flare](https://openairdocs.org/ntsb-findings/01062041): Aircraft › Aircraft oper/perf/capability · Incorrect use/operation (probable cause); cases with it: [Cessna 172K, 9 cases](https://openairdocs.org/ntsb-findings/01062041/cases.md?model=2072430), [All aircraft, 1,285 cases](https://openairdocs.org/ntsb-findings/01062041/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: [Cessna 172K, 13 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2072430), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md) - [Info processing/decision: decision making/judgment](https://openairdocs.org/ntsb-findings/02041520): Personnel issues › Action/decision · Student/instructed pilot (probable cause); cases with it: [Cessna 172K, 10 cases](https://openairdocs.org/ntsb-findings/02041520/cases.md?model=2072430), [All aircraft, 3,098 cases](https://openairdocs.org/ntsb-findings/02041520/cases.md) ## Sequence of events The events NTSB coded, in order, by phase of flight. The defining event best describes what happened. - [Landing-flare/touchdown: Loss of control on ground](https://openairdocs.org/ntsb-events/230) (defining event); cases with it: [Cessna 172K, 16 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2072430), [All aircraft, 4,585 cases](https://openairdocs.org/ntsb-events/230/sequence.md) ## Analysis The solo student pilot reported that, during landing, he “rounded out a little too late” and the airplane bounced after touchdown. The airplane settled back to the runway, left of the centerline, and veered to the left. The student attempted to correct with right rudder, and full engine power to abort the landing, however, the airplane continued to the left side of the runway and collided with a snowbank. The airplane nosed over coming to rest inverted. The right wing, vertical stabilizer, and rudder sustained substantial damage. The pilot reported that there were no preaccident mechanical malfunctions or failures that would have precluded normal operation. ## Aircraft - Registration: [N84717](https://openairdocs.org/aircraft/N84717), registered now, S/N 17258589, built 1969 (OpenAirDocs) - Reported make and model: CESSNA 172K - Registry model: [Cessna 172K](https://openairdocs.org/model/cessna-172k) (registry code 2072430) (OpenAirDocs) - Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 17256513 - Year built: 1969 - Airframe hours: 8801 - Engines: Lycoming O-360-A4M 180 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Worldwide Warbirds Inc - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, February 10, 2023, 21 hours before - Departed: KPVU, Provo, UT - Destination: 41U, Ephriam, UT - Airport: 41U, Manti-Ephriam, runway 21, 5,021 × 75 ft, asphalt - Equipment: ADS-B, Stall warning system, Electronic flight bag or handheld device ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 50; injuries: none; student; medical: class 3, with waivers/limitations; seat: left; restraint: 4-point; flight hours: 73.6 total, 73.6 in this make and model, 8.6 as pilot in command, 20.6 in the last 90 days, 13.1 in the last 30 days, 2.5 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 360° at 4 knots - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 27 °F, dew point 19 °F - Altimeter: 3010.00 inHg - Observed at: 41U - METAR: METAR K41U 241915Z AUTO 36004KT 10SM CLR M03/M07 A3009 RMK AO1 T10261074= ## 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 20230224002139A](https://openairdocs.org/incident/20230224002139A), Feb 24, 2023: Cessna 172K, Manti, UT, Substantial damage. Pilot departed provo (kpvu) at approximately 11:10 am local time, with intent on a solo cross country flight to Manti-ephraim airport (41U) and back to provo… ## Other investigations on N84717 (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 MKC75FCA18](https://openairdocs.org/ntsb/MKC75FCA18), Jan 11, 1975: Cessna 172 (N84717), Wentzville, MO, substantial damage ## Docket (2 files) The files NTSB released with the investigation on March 23, 2023, on NTSB's docket system: https://data.ntsb.gov/Docket?ProjectID=106788. 3.9 MB in all. - Pilot/operator aircraft accident report, NTSB form 6120.1 (item 1, PDF, 11 pages, 2.2 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=15174639&FileExtension=pdf&FileName=WPR23LA114_6120_flat_Redacted-Rel.pdf - Photos (item 2, PDF, 2 pages, 1.7 MB): https://data.ntsb.gov/Docket/Document/docBLOB?ID=15173683&FileExtension=pdf&FileName=WPR23LA114_508-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.