# NTSB ATL86LA255: Cessna T310R, N6171X, Louisville, KY, September 12, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: September 12, 1986, 12:00 local (16:00 UTC)
- Place: Louisville, KY
- Coordinates: 38.219688, -85.680351 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.2197&lon=-85.6804&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 7191
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL86LA255
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/7191/pdf
- Page: https://openairdocs.org/ntsb/ATL86LA255

## Sequence of events

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

- Airframe/component/system failure/malfunction, cruise
  - exhaust system,stack - burned (cause)
  - exhaust system,stack - separation (cause)
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - precautionary landing - performed, pilot in command

## Analysis

THE PLT WAS ON A VFR CROSS COUNTRY FLT WHEN THE LEFT ENG BEGAN TO RUN ROUGH. HE DIVERTED TO BOWMAN FIELD AND MADE A PRECAUTIONARY LANDING WHERE HE LEFT THE AIRCRAFT WITH A FBO TO BE REPAIRED. EXAMINATION SHOWED THAT THE OVERBOARD DUMP PART OF THE EXHAUST SYSTEM FOR THE NUMBER ONE ENG WAS MISSING. THERE WAS SUBSTANTIAL DAMAGE TO THE AREA INSIDE THE COWLING AND TO THE BOTTOM OF THE WING.

## Aircraft

- Registration: [N6171X](https://openairdocs.org/deregistered/N6171X-1989-03-03), registration cancelled 1989-03-03, S/N 310R1309 (OpenAirDocs)
- Reported make and model: CESSNA T310R
- Registry model: [Cessna T310R](https://openairdocs.org/model/cessna-t310r) (registry code 2074246) (OpenAirDocs)
- Category: Airplane
- Serial number: 310R1309
- Airframe hours: 2050
- Engines: CONTINENTAL TSIO-520-B 285 horsepower reciprocating
- Damage: Substantial damage
- Fire: In-Flight
- Flight: Personal, Part 91
- Registered owner: Robert Pace
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 1, 1985, 37 hours before
- Departed: MINOCQUAWOODRUF, WI
- Destination: POMPANO BEACH, FL
- Airport: LOU, Bowman Field

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; private; airplane ratings: multi-engine land, single-engine sea; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 4,160 total, 1,160 in this make and model, 4,160 as pilot in command, 100 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 320° at 10 knots
- Visibility: 7 statute miles
- Lowest ceiling: 3,000 ft overcast
- Temperature: 68 °F, dew point 55 °F
- Altimeter: 30.00 inHg
- Observed at: LOU

## 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 19860912045209A](https://openairdocs.org/incident/19860912045209A), Sep 12, 1986: Cessna T310R, Louisville, KY, Substantial damage. The pilot landed due to a rough running engine. The turbo dump exhaust pipe separated and damaged the compartment.

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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