# Incident 20180803013629I: Cessna 206H, St. Louis, MO, August 3, 2018

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: August 3, 2018, 13:17 local time
- Place: St. Louis, MO
- Damage: Minor damage
- Phase of flight: Maneuver
- Operating rules: General operating rules (Part 91)
- Location: 38.6273° N, 90.1979° W: Placed by OpenAirDocs: center of St. Louis, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.6273&lon=-90.1979&mi=10
- Aircraft: N9536F, registered now (https://openairdocs.org/aircraft/N9536F) (OpenAirDocs)
- Registry model: Cessna 206H (registry code 2073301, https://openairdocs.org/model/cessna-206h) (OpenAirDocs)
- Registry engine: Lycoming IO-540-AC1A5 (registry code 41809, https://openairdocs.org/engine/lycoming-io-540-ac1a5) (OpenAirDocs)
- Reported make and model: CESSNA 206H
- Reported engine: LYCOMING IO-540-AC1A5
- People aboard: 1
- Fatal injuries: 0
- Other injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/20180803013629I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

N9536F DEPARTED SPIRIT OF ST. LOUIS AIRPORT (KSUS) AND WAS ON A VFR PHOTO FLIGHT IN THE VICINITY OF LAMBERT AIRPORT (KSTL) APRROXIMALTY 5 NM EAST OF THE AIRPORT. DURING THE FLIGHT NO INDICATIONS OF AN IMMINENT ISSUES WAS NOTICED BY THE PILOT. DURING A TURN THE AIRCRAFT EXPERIENCED PARTIAL POWER LOSS. IMMEDIATELY THE PILOT FLEW DIRECTLY TO CARDINAL VOR, AND SHORTLY AFTER BEING ADVISED BY ATC OF TRAILING WHITE SMOKE, THE PILOT DECLARED AN EMERGENCY AND LAND AT SAINT. LOUIS AIRPORT (KSTL) ON RUNWAY 29 WITHOUT INCIDENT. THE AIRCRAFT WAS TOWED OFF THE RUNWAY AND SECURED.  AFTER THE MAINTENANCE TECHNICIAN ARRIVED ON  SITE, IT WAS NOTED A SIGNIFICANT AMOUNT OF ENGINE OIL IN THE EXHAUST SYSTEM. A COMPRESSION TEST WAS COMPLETED AND FOUND ZERO COMPRESSION ON THE NUMBER ONE CYLINDER. A BORESCOPE INSPECTION WAS PERFORMED AND FOUND THE INTAKE VALVE HAD BROKEN AND STRUCK THE NUMBER ONE PISTON. REMOVING THE OIL FILTER AND CUTTING OPEN IT WAS NOTED A SIGNIFICATE AMOUNT OF METAL IN THE FILTER. THE ENGINE WAS REMOVED AND SENT TO LYCOMING FOR DISASSEMBLE AND INSPECTION.

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.

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