# NTSB CHI93LA241: Cessna U206A, N4938F, Kimberling City, MO, July 2, 1993

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 2, 1993, 17:00 local (22:00 UTC)
- Place: Kimberling City, MO
- Coordinates: 36.639842, -93.419761 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=36.6398&lon=-93.4198&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 3, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 15752
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI93LA241
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/15752/pdf
- Page: https://openairdocs.org/ntsb/CHI93LA241

## Probable cause

A ROCK LODGED IN THE LEFT BRAKE ASSEMBLY.

## Sequence of events

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

- Loss of control - on ground/water, landing - roll
  - landing gear,normal brake system - jammed (cause)
  - directional control - not maintained, pilot in command
- Nose over, landing - roll

## Analysis

DURING LANDING ROLL OUT THE AIRCRAFT DIRFTED TO THE LEFT. THE PILOT TRIED TO CORRECT THE DRIFT WITH FULL RIGHT RUDDER AND BRAKE BUT THE AIRCRAFT WENT OFF THE RUNWAY TO THE LEFT, SLID FOR APPROXIMATELY 100 FEET AT WHICH TIME THE NOSE WHEEL CAUGHT AND THE AIRCRAFT NOSED OVER. FURTHER INSPECTION REVEALED THAT A PIECE OF GRAVEL WAS WEDGED BETWEEN THE LEFT BRAKE DISK AND BRAKE HOUSING AND WAS HOLDING THE LEFT WHEEL IN THE LOCKED POSITION.

## Aircraft

- Registration: [N4938F](https://openairdocs.org/deregistered/N4938F-1999-03-10), registration cancelled 1999-03-10, S/N U206-0638 (OpenAirDocs)
- Reported make and model: CESSNA U206A
- Registry model: [Cessna U206A](https://openairdocs.org/model/cessna-u206a) (registry code 2073316) (OpenAirDocs)
- Category: Airplane
- Serial number: U206-0638
- Engines: CONTINENTAL IO-520 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: Joseph Fisk
- Registered owner: Donald L. Mc Farlane
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, January 2, 2000
- Departed: PLK, POINT LOOKOUT, MO
- Airport: MO64, Kimberling Airways, runway 3, 2,800 × 25 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 41; private; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 2,019 total, 316 in this make and model, 227 in the last 90 days, 5 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 180° at 4 knots
- Visibility: 10 statute miles
- Lowest ceiling: none
- Temperature: 84 °F

## 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 19930702022119A](https://openairdocs.org/incident/19930702022119A), Jul 2, 1993: Cessna U206A, Kimberling City, MO, Substantial damage. Veered left on landing. Ran off runway. Nosed over. Found gravel wedged in brake. Locking left wheel.

## Other investigations on N4938F (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 LAX68F0279](https://openairdocs.org/ntsb/LAX68F0279), Jan 15, 1968: Cessna U206A (N4938F), Calexico, CA, substantial 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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