# NTSB LAX08CA222: Cessna 172R, N354ES, Byron, CA, July 9, 2008 - Type: NTSB accident investigation - Classification: Accident · No injuries · Data collection · Final report - Date: July 9, 2008, 08:54 local (15:54 UTC) - Place: Byron, CA - Coordinates: 37.828334, -121.625831 - Nearby events: https://openairdocs.org/map.md?lat=37.8283&lon=-121.6258&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: 1 uninjured - Status: Completed, report August 28, 2008 - Report: Approved by Office Director - Parties: Federal Aviation Administration - NTSB case key (mKey): 68415 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX08CA222 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/68415/pdf - Page: https://openairdocs.org/ntsb/LAX08CA222 ## Probable cause The pilot's failure to maintain directional control during the landing rollout. ## 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 172R, 37 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md?model=2072401), [All aircraft, 3,958 cases](https://openairdocs.org/ntsb-findings/01062020/cases.md) - [Object/animal/substance: sign/marker](https://openairdocs.org/ntsb-findings/03022015): Environmental issues › Physical environment · Not specified; cases with it: [Cessna 172R, 7 cases](https://openairdocs.org/ntsb-findings/03022015/cases.md?model=2072401), [All aircraft, 214 cases](https://openairdocs.org/ntsb-findings/03022015/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 172R, 40 cases](https://openairdocs.org/ntsb-events/230/sequence.md?model=2072401), [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 172R, 46 cases](https://openairdocs.org/ntsb-events/470/sequence.md?model=2072401), [All aircraft, 10,189 cases](https://openairdocs.org/ntsb-events/470/sequence.md) ## Analysis The student pilot reported that he was practicing touch-and-go landings at Byron Airport on runway 5. The wind was nearly calm. His third approach to the runway, with 30 degrees of wing flaps extended, was normal. The airplane touched down at near its stall speed without incident. After touching down softly, the airplane suddenly veered left. The pilot reported that he attempted to redirect the airplane back toward the runway, but he was not successful. The airplane impacted a taxiway directional sign, and the left wing's lift strut was bent. No mechanical failures or malfunctions were reported by the student pilot during the flight. The Federal Aviation Administration coordinator reported that a subsequent examination of the airplane by the flight school's operator revealed the brakes functioned normally following the accident. ## Factual narrative The student pilot reported that he was practicing touch-and-go landings at Byron Airport on runway 5. The wind was nearly calm. His third approach to the runway, with 30 degrees of wing flaps extended, was normal. The airplane touched down at near its stall speed without incident. After touching down softly, the airplane suddenly veered left. The pilot reported that he attempted to redirect the airplane back toward the runway, but he was not successful. The airplane impacted a taxiway directional sign, and the left wing's lift strut was bent. No mechanical failures or malfunctions were reported by the student pilot during the flight. The Federal Aviation Administration coordinator reported that a subsequent examination of the airplane by the flight school's operator revealed the brakes functioned normally following the accident. ## Aircraft - Registration: [N354ES](https://openairdocs.org/aircraft/N354ES), registered now, S/N 17280047, built 1997 (OpenAirDocs) - Reported make and model: Cessna 172R - Registry model: [Cessna 172R](https://openairdocs.org/model/cessna-172r) (registry code 2072401) (OpenAirDocs) - Registry engine: [Lycoming I0360 SER A&C](https://openairdocs.org/engine/lycoming-i0360-ser-a-c) (registry code 41511, reciprocating) (OpenAirDocs) - Category: Airplane - Serial number: 17280047 - Airframe hours: 2465 - Engines: Lycoming IO-360-L2A reciprocating - Damage: Substantial damage - Flight: Instructional, Part 91 - Operator: Ahart Aviation, Inc., doing business as Ahart Aviation Services - Registered owner: Plane Guys, LLC - Airworthiness certificate: Standard, Normal - Last inspection: 100 hour, June 1, 2008 - Departed: LVK, Livermore, CA - Destination: C83, Byron, CA - Airport: C83, Byron Airport, runway 5, 3,000 × 75 ft, asphalt ## Flight crew As NTSB recorded them. NTSB leaves out names. - Student pilot; age 46; student; medical: class 3; flight hours: 55 total, 55 in this make and model, 17 in the last 90 days, 12 in the last 30 days ## Weather - Conditions: Visual (VMC), Day - Wind: calm - Visibility: 8 statute miles - Lowest ceiling: none - Temperature: 70 °F - Observed at: LVK, 12 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). - [Accident 20080709841899A](https://openairdocs.org/incident/20080709841899A), Jul 9, 2008: Cessna 172R, Byron, CA, Substantial damage. (-23) Student pilot took off from lvk at approximately 0815 without incident. All systems normal on preflight, taxi, and takeoff. After doing a couple of touch… 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.