# Accident 20011025028659A: Cessna 152, Oklahoma City, OK, October 25, 2001 - Type: FAA accident report (Accident/Incident Data System), as reported - Date: October 25, 2001, 19:40 local time - Place: Oklahoma City, OK - Airport: Will Rogers World - Damage: Substantial damage - Phase of flight: Fcd/Prec Ldg From Cruise - Operating rules: General operating rules (Part 91) - Location: 35.4992° N, 97.6404° W: From the FAA, an estimate near the named town, within about 3 miles - Nearby events: https://openairdocs.org/map.md?lat=35.4992&lon=-97.6404&mi=10 - Aircraft: N67797, registered now (https://openairdocs.org/aircraft/N67797) (OpenAirDocs) - Registry model: Cessna 152 (registry code 2071835, https://openairdocs.org/model/cessna-152) (OpenAirDocs) - Registry engine: Lycoming 0-235 series (registry code 41505, https://openairdocs.org/engine/lycoming-0-235-series) (OpenAirDocs) - Reported make and model: CESSNA 152 - Reported engine: LYC O235L2C - People aboard: 1 - Fatal injuries: 0 - Pilot certificates: Student - Pilot flight hours: 140 total, 50 in this make and model, 30 in the last 90 days - NTSB investigation: [NTSB FTW02LA021](https://openairdocs.org/ntsb/FTW02LA021) (OpenAirDocs) - FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/) - Page: https://openairdocs.org/incident/20011025028659A ## Narrative As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^. (.19) ON OCTOBER 25, 2001, AT 1940 CENTRAL DAYLIGHT TIME, A CESSNA 152 SINGLE-ENGINE AIRPLANE N67797, WAS SUBSTANTIALLY DAMAGED WHEN IT IMPACTED A FENCE DURING A FORCED LANDING FOLLOWING A LOSS OF ENGINE POWER WHILE IN CRUISE FLIGHT NEAR BETHANY, OKLAHOMA. THE AIRPLANE WAS REGISTERED TO AND OPERATED BY AIRONE INC., OF OKLAHOMA CITY, OKLAHOMA. THE PRIVATE PILOT, WHO WAS THE SOLE OCCUPANT, WAS NOT INJURED. NIGHT VISUAL METEOROLOGICAL CONDITIONS PREVAILED AND A FLIGHT PLAN WAS NOT FILED FOR THE 14 CODE OF FEDERAL REGULATIONS PART 91 SOLO INSTRUCTIONAL FLIGHT. THE CROSS-COUNTRY FLIGHT ORIGINATED FROM THE WILEY POST AIRPORT, BETHANY, OKLAHOMA, AT 1800, FLEW TO DUNCAN, OKLAHOMA, AND WAS RETURNING TO THE WILEY POST AIRPORT WHEN THE ACCIDENT OCCURRED. ACCORDING TO THE OPERATOR, THE PILOT REPORTED THAT THE ENGINE BEGAN TO RUMBLE AND LOSE POWER. THE PILOT COULD NOT MAINTAIN ALTITUDE TO MAKE IT TO THE AIRPORT AND THEREFORE, ELECTED TO LAND IN A FIELD. THE PILOT LANDED THE AIRPLANE IN A FIELD WHERE IT IMPACTED A BARBED WIRE FENCE. THE PILOT REPORTED THAT HE COULD NOT SEE THE FENCE BECAUSE IT WAS DARK. ACCORDING TO THE OPERATOR, THE AIRPLANE SUSTAINED STRUCTURAL DAMAGE TO THE EMPENNAGE AND HORIZONTAL STABILIZER, AND THE RIGHT ELEVATOR WAS TORN FROM ITS HINGES. (-23) ON OCTOBER 25, 2001, AT 1940 CENTRAL DAYLIGHT TIME, A CESSNA 152, N67797, WAS FORCE LANDED IN A FIELD APPROXIMATELY FIVE MILES SW OF OKLAHOMA CITY WILL ROGERS FIELD. THE PILOT AND ONLY OCCUPANT, REPORTED THAT THE AIRCRAFT ENGINE BEGAN TO RUMBLE AND LOSE POWER DURING CRUISE, ON A RETURN FLIGHT TO BETHANY, OKLAHOMA. THE PILOT REPORTED THAT THE AIRCRAFT COULD NOT MAINTAIN ALTITUDE, THEREFORE, HE ELECTED TO LAND IN A FIELD. NIGHT VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT THE TIME THE AIRCRAFT WAS LANDED, WHERE IT IMPACTED A BARBED WIRE FENCE. THE AIRCRAFT SUSTAINED SUBSTANTIAL DAMAGE, HOWEVER, THERE WERE NO INJURIES TO THE PILOT. (.4) THE PRIVATE PILOT REPORTED THAT DURING A NIGHT CROSS-COUNTRY FLIGHT, THE ENGINE BEGAN TO LOSE POWER. THE PILOT COULD NOT MAINTAIN ALTITUDE TO REACH THE AIRPORT, AND THEREFORE, ELECTED TO LAND IN A FIELD. THE PILOT LANDED THE AIRPLANE IN A FIELD WHERE IT IMPACTED A BARBED WIRE FENCE. AN FAA AIRWORTHINESS INSPECTOR EXAMINED THE ENGINE WITH THE ASSISTANCE OF AN AIRCRAFT MECHANIC. THE FAA INSPECTOR REPORTED THAT THEY REMOVED THE #2 CYLINDER'S RO CKER ARM COVER AND NOTED THAT "THE EXHAUST VALVE ADJUSTER 'LOCK NUT' HAD LOOSENED AND COME COMPLETELY OFF." REVIEW OF A MAINTENANCE RECORD ENTRY DATED MAY 21, 2000, REVEALED THAT THE #2 CYLINDER HAD BEEN REMOVED, REPAIRED, AND REINSTALLED AT AN AIRCRAFT TOTAL TIME OF 825.0 HOURS. ON AUGUST 13, 2001, THE AIRPLANE AND ENGINE UNDERWENT THEIR MOST RECENT 100-HOUR INSPECTION AT AN AIRCRAFT AND ENGINE TOTAL TIME OF 1,077.0 HOURS. THE AIRCRAFT TOTAL TIME AT THE TIME OF THE ACCIDENT IS UNKNOWN. ACCORDING TO THE ENGINE OPERATOR'S MANUAL, PERSONS INSTALLING PUSHRODS FOR A CYLINDER ARE INSTRUCTED TO RECHECK THE TAPPET CLEARANCE AFTER RUN-IN AND LOCK THE VALVE CLEARANCE ADJUSTING SCREW IN PLACE WITH THE LOCKNUT. ## The NTSB's investigation of this event (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 FTW02LA021](https://openairdocs.org/ntsb/FTW02LA021), Oct 26, 2001: Cessna 152 (N67797), Bethany, OK, substantial damage. Probable cause: the mechanic's failure to properly lock the exhaust valve's clearance adjusting screw locknut, which resulted in a loose nut, disabling of the exhaust valve pushrod, and a partial loss of engine… ## Other reports on N67797 (1) Matched to the same aircraft by N-number and date. - [Accident 20090624010889A](https://openairdocs.org/incident/20090624010889A), Jun 24, 2009: Cessna 152 (N67797), Oklahoma City, OK, Substantial damage. (-23) Student pilot was practicing slips to runway 17, landed long, bounced and upon final touchdown with approximately 1000' remaining proceeded to use… From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record. --- 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.