# NTSB SEA87LA163: Cessna T-207, N6385H, Mccall, ID, July 9, 1987

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 9, 1987, 10:00 local (16:00 UTC)
- Place: Mccall, ID
- Coordinates: 44.259693, -114.969825 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=44.2597&lon=-114.9698&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 29, 1988
- Report: Approved by Office Director
- NTSB case key (mKey): 40675
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA87LA163
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40675/pdf
- Page: https://openairdocs.org/ntsb/SEA87LA163

## Sequence of events

In NTSB's coding before 2008 (https://www.ntsb.gov/GILS/Documents/codman.pdf).

- Loss of engine power(total) - mech failure/malf, climb - to cruise
  - exhaust system,turbocharger - worn (cause)
  - maintenance - inadequate, company maintenance personnel (cause)
  - exhaust system,turbocharger - leak (cause)
  - fluid,oil - starvation (cause)
- Forced landing, landing
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - high vegetation (contributing factor)

## Analysis

DURING CLIMB OUT TO CRUISE ALTITUDE THE PILOT NOTICED A DROP IN MANIFOLD PRESSURE AND A LOSS OF OIL PRESSURE. THE PILOT WAS IN THE PROCESS OF ATTEMPTING TO REACH AN AIRSTRIP WHEN THE OIL PRESSURE DROPPED TO ZERO FOLLOWED BY A TOTAL LOSS OF POWER. AN OFF AIRPORT LANDING HAD TO BE MADE ONTO SAGE BRUSH. FAA INSPECTORS DISCOVERED A HOLE IN THE CASE OF THE ENGINE. THE BEARINGS TO THE TURBOCHARGER WERE FOUND TO HAVE BEEN EXCESSIVELY WORN. THERE WAS OIL ON THE SPRING SIDE OF THE PISTON TO THE TURBOCHARGER CONTROL VALVE. THERE WAS ALSO EVIDENCE THAT THE PISTON WAS COCKED INSIDE OF THE CYLINDER TO THE POINT OF BEING WEDGED AND/OR OIL BYPASSING THE SEAL. THE TURBOCHARGER CONTROLLER WAS WORN AND HAD NOT BEEN REPLACED WHEN THE TURBOCHARGER HAD BEEN REPLACED SOME 10 FLIGHT HOURS AGO.

## Aircraft

- Registration: [N6385H](https://openairdocs.org/deregistered/N6385H-1995-08-03), registration cancelled 1995-08-03, S/N 20700505 (OpenAirDocs)
- Reported make and model: CESSNA T-207
- Registry model: [Cessna T207A](https://openairdocs.org/model/cessna-t207a) (registry code 2073614) (OpenAirDocs)
- Category: Airplane
- Serial number: 20700505
- Engines: CONTINENTAL TSIO-520M 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 135
- Registered owner: Mccall Air Taxi
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, October 21, 1986, 59 hours before
- Departed: USFS, INDIAN CREEK, ID
- Destination: 2UF, STANLEY, ID
- Flight plan: Company VFR

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; commercial, airline transport, flight instructor; airplane ratings: multi-engine land, single-engine land, single-engine sea; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 7,400 total, 7 in this make and model, 7,400 as pilot in command, 80 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 30 statute miles
- Lowest ceiling: none
- Temperature: 75 °F
- Altimeter: 30.00 inHg

## 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 19870709053329A](https://openairdocs.org/incident/19870709053329A), Jul 9, 1987: Cessna T207A, Mccall, ID, Substantial damage. Lost manifold and oil pressure and engine quit. Landed in sagebrush. Had a hole in engine case. Turbocharger failed

## Other investigations on N6385H (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 DEN86IA083](https://openairdocs.org/ntsb/DEN86IA083), Feb 25, 1986: Cessna T207A (N6385H), Longmont, CO, incident, minor damage

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.

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