# NTSB ATL83LA082: Cessna T210L, N1741X, Horse Cave, KY, January 5, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 5, 1983, 14:30 local (19:30 UTC)
- Place: Horse Cave, KY
- Coordinates: 37.169517, -85.910247 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.1695&lon=-85.9102&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): 5995
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ATL83LA082
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/5995/pdf
- Page: https://openairdocs.org/ntsb/ATL83LA082

## Sequence of events

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

- Airframe/component/system failure/malfunction, cruise - normal
  - propeller system/accessories,pitch change mech - fatigue (cause)
- Forced landing, landing - flare/touchdown
- On ground/water collision with object, landing - roll
  - object - vehicle (contributing factor)
- On ground/water encounter with terrain/water, landing - roll
  - terrain condition - dirt bank/rising embankment (contributing factor)

## Analysis

THE PILOT REPORTED THAT HE ENCOUNTERED TURBULENCE, AND AT ABOUT THE SAME TIME, THE ENGINE BEGAN RUNNING ROUGH. HE BEGAN TROUBLESHOOTING AND DISCOVERED THAT THE ROUGHNESS WAS DIRECTLY PROPORTIONAL TO THROTTLE MOVEMENT; WHEN THE THROTTLE WAS ADVANCED, THE ROUGHNESS INCREASED. HE BELIEVED THE PROPELLER CONTROL HAD NO EFFECT ON THE ROUGHNESS. HE REPORTED THAT THE ENGINE RPM BEGAN TO DROP REGARDLESS OF MANIFOLD PRESSURE. HE ELECTED TO LAND ON AN INTERSTATE HIGHWAY. DURING THE LANDING, THE AIRCRAFT STRUCK A MOTOR VEHICLE AND AN EMBANKMENT. AFTER LANDING, THE PROPELLER BLADES WERE FOUND IN THE FEATHERED POSITION. AN EXAMINATION OF THE PROPELLER SYSTEM REVEALED THE BLADE ACTUATING PIN ON ONE BLADE HAD SEPARATED FROM THE BLADE BUTT, AT A PRE-EXISTING CRACK. THE PROPELLER HAD BEEN OVERHAULED ON 1/6/78 AT 932.8 HRS. THE RECOMMEND OVERHAUL PERIOD WAS 1200 HRS OR 5 YRS, WHICHEVER WAS FIRST.

## Aircraft

- Registration: N1741X (not matched to a registry record)
- Reported make and model: CESSNA T210L
- Category: Airplane
- Serial number: 2073449
- Airframe hours: 1873
- Engines: CONTINENTAL TS10-52OH 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Raja Karalakulashingam
- Last inspection: 100 hour, December 4, 1982, 0 hours before
- Departed: SDF, LOUISVILLE, KY
- Destination: IM5, PORTLAND, TN

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 38; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 701 total, 253 in this make and model, 529 as pilot in command, 80 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Visibility: 10 statute miles

## 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 19830105000859A](https://openairdocs.org/incident/19830105000859A), Jan 5, 1983: Cessna T210L, Horse Cave, KY, Substantial damage. Rough engine en route. Struck a vehicle and an embankment landing on a highway. Prop blade actuating pin had broken.

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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