# NTSB CHI01LA095: Piper PA-22-108, N5886Z, Overton, NE, February 18, 2001 - Type: NTSB accident investigation - Classification: Accident · No injuries · Limited investigation · Final report - Date: February 18, 2001, 14:30 local (20:30 UTC) - Place: Overton, NE - Coordinates: 40.739459, -99.530532 (estimated) - Nearby events: https://openairdocs.org/map.md?lat=40.7395&lon=-99.5305&mi=10 - Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping) - Highest injury: No injuries - Injuries: 1 uninjured - Status: Completed, report August 21, 2001 - Report: Approved by Office Director - Parties: FEDERAL AVIATION ADMINISTRATION - NTSB case key (mKey): 51832 - NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI01LA095 - NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/51832/pdf - Page: https://openairdocs.org/ntsb/CHI01LA095 ## Probable cause The open exhaust valve. Factors relating to the accident were the sticking exhaust valve guide and the snow drift the airplane encountered during the precautionary landing. ## Sequence of events In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf). - Loss of engine power(partial) - mech failure/malf, cruise - engine assembly,valve,exhaust - open (cause) - engine assembly,valve,exhaust - binding(mechanical) (contributing factor) - On ground/water encounter with terrain/water, emergency landing - terrain condition - snowbank (contributing factor) - precautionary landing - performed, pilot in command ## Analysis The pilot said that just south of Overton, Nebraska, the airplane's engine started running rough. The pilot said he elected to land on a corn stubble field. "I touched down normally and on roll out the aircraft contacted a snow drift and went over on its back." An examination of the airplane's engine revealed that the number 4 cylinder exhaust valve guide was sticking and the exhaust valve was not seating properly. ## Factual narrative On February 18, 2001, at 1430 central standard time, a Piper PA-22-108, N5886Z, operated by a commercial pilot, sustained substantial damage when the airplane nosed over during the landing roll following a precautionary landing on a cornfield. The accident occurred approximately 25 miles west of Kearney, Nebraska. Prior to the accident, the pilot said that the airplane's engine was running rough. Visual meteorological conditions prevailed at the time of the accident. The personal flight was being conducted under the provisions of 14 CFR Part 91 without a flight plan. The pilot reported no injuries. The cross-country flight originated at Kearney, Nebraska, at 1415, and was en route to Cheyenne, Wyoming. In his written statement, the pilot said that just south of Overton, Nebraska, the airplane's engine started running rough. The pilot said he elected to land in a corn stubble field. "I touched down normally and on roll out the aircraft contacted a snow drift and went over on its back." A Federal Aviation Administration inspector examined the airplane at the accident site. The airplane was found resting inverted in a cornfield. Both of the airplane's wings were bent downward. The vertical stabilizer and rudder were crushed downward. The windscreen was broken out. The smell of fuel was prevalent. Flight control continuity was confirmed. An examination of the airplane's engine revealed that the number 4 cylinder exhaust valve guide was sticking and the exhaust valve was not seating properly. ## Aircraft - Registration: [N5886Z](https://openairdocs.org/aircraft/N5886Z), registered now, S/N 22-9750, built 1963 (OpenAirDocs) - Reported make and model: Piper PA-22-108 - Registry model: [Piper PA-22-108](https://openairdocs.org/model/piper-pa-22-108) (registry code 7102204) (OpenAirDocs) - Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs) - Category: Airplane - Serial number: 22-9750 - Airframe hours: 5561 - Engines: Lycoming O-280-D 125 horsepower reciprocating - Damage: Substantial damage - Flight: Personal, Part 91 - Registered owner: Jerold D. Wing & Susan K. Wing - Airworthiness certificate: Standard, Normal - Last inspection: Annual, March 10, 2000, 17 hours before - Departed: EAR, Kearney, NE - Destination: CYS, Cheyenne, WY ## Flight crew As NTSB recorded them. NTSB leaves out names. - Pilot; age 69; injuries: none; flight instructor, commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; last flight review January 1, 2001; seat: left; flight hours: 4,105 total, 19 in the last 90 days, 7 in the last 30 days, 2 in the last 24 hours ## Weather - Conditions: Visual (VMC), Day - Wind: 170° at 18 knots, gusting 24 - Visibility: 10 statute miles - Lowest ceiling: none - Temperature: 30 °F, dew point 27 °F - Altimeter: 30.01 inHg - Observed at: GRI, 58 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 20010218011869A](https://openairdocs.org/incident/20010218011869A), Feb 18, 2001: Piper PA22108, Kearney, NE, No damage. (-23)Pilot departed Kearney, Nebraska (ear) VFR with a destination of cheyenne Wyoming. One passenger on board. Approximately 25 miles east of ear, the engine… 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.