20011006031589I

Incident

FAA incident report · Cessna 206H · Manheim, PA · October 6, 2001

Date: October 6, 2001 · 18:30 local
Place: Manheim, PA
Phase of flight: Normal Cruise
Operating rules: General operating rules (Part 91)
Aircraft: N2449X
Reported as: Cessna 206H
Reported engine: Lycoming IO540AC1A5
People aboard: 2
Fatal injuries: 0
Pilot’s flight hours: 1,991 total219 in this make and model36 in the last 90 days

N2449XRegistration cancelled Sep 23, 2010 · Cessna 206HS/N 20608071 · Built 1999 Airframe modelCessna 206H Engine modelLycoming IO-540 seriesReciprocating

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry 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.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

(-23) During a local flight from (9D4) to (lns) the pilot noticed the propeller RPM begin to increase by itself, so he reset it to 2200. Afterwards the propeller began to lose RPM then started losing power. The pilot turned the aircraft towards a suitable farm field, contacted lns-atct and completed his emergency procedures. The aircraft made an uneventful landing into a harvested cornfield without damage or injury. Investigation at the site revealed an internal engine failure occurred. The subject aircraft was new with only 93.5 hours total time. An engine disassembly inspection conducted on 10/17/2001 at Textron Lycoming, williamsport, PA, revealed that the cork gasket used on the replacement vaccuum pump installed at 5 hours total time failed. The oil ported to lower vaccuum pump pad was allowed to leak out, depleting the engine oil system, resulting in engine failure. The manufacturing district office, inspector, ron naylor, is submitting a safety recommendation.

As the FAA filed it

(-23) DURING A LOCAL FLIGHT FROM (9D4) TO (LNS) THE PILOT NOTICED THE PROPELLER RPM BEGIN TO INCREASE BY ITSELF, SO HE RESET IT TO 2200. AFTERWARDS THE PROPELLER BEGAN TO LOSE RPM THEN STARTED LOSING POWER. THE PILOT TURNED THE AIRCRAFT TOWARDS A SUITABLE FARM FIELD, CONTACTED LNS-ATCT AND COMPLETED HIS EMERGENCY PROCEDURES. THE AIRCRAFT MADE AN UNEVENTFUL LANDING INTO A HARVESTED CORNFIELD WITHOUT DAMAGE OR INJURY. INVESTIGATION AT THE SITE REVEALED AN INTERNAL ENGINE FAILURE OCCURRED. THE SUBJECT AIRCRAFT WAS NEW WITH ONLY 93.5 HOURS TOTAL TIME. AN ENGINE DISASSEMBLY INSPECTION CONDUCTED ON 10/17/2001 AT TEXTRON LYCOMING, WILLIAMSPORT, PA, REVEALED THAT THE CORK GASKET USED ON THE REPLACEMENT VACCUUM PUMP INSTALLED AT 5 HOURS TOTAL TIME FAILED. THE OIL PORTED TO LOWER VACCUUM PUMP PAD WAS ALLOWED TO LEAK OUT, DEPLETING THE ENGINE OIL SYSTEM, RESULTING IN ENGINE FAILURE. THE MANUFACTURING DISTRICT OFFICE, INSPECTOR, RON NAYLOR, IS SUBMITTING A SAFETY RECOMMENDATION.