# NTSB MKC88LA063: Beech C23, N1986L, Sullivan, MO, March 15, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: March 15, 1988, 17:45 local (23:45 UTC)
- Place: Sullivan, MO
- Coordinates: 38.209606, -91.160942 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.2096&lon=-91.1609&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 21, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 34548
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC88LA063
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34548/pdf
- Page: https://openairdocs.org/ntsb/MKC88LA063

## Sequence of events

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

- Overrun, landing - roll
  - compensation for wind conditions - not performed, pilot in command (cause)
  - proper touchdown point - misjudged, pilot in command (cause)
  - lack of total experience, pilot in command (contributing factor)
  - go-around - not performed, pilot in command (contributing factor)
- Main gear collapsed, landing - roll
  - terrain condition - soft (contributing factor)
  - landing gear,main gear - overload
  - landing gear,main gear - separation

## Analysis

WHEN THE PIC ARRIVED AT HIS DESTINATION, DURING A PERSONAL CROSS COUNTRY FLIGHT, HE CIRCLED THE UNFAMILIAR ARPT THREE TIMES, OBSERVING TREES ON BOTH ENDS, AND A CROSSWIND OF ABOUT 60 DEGREES TO THE ACTIVE RUNWAY. AFTER LANDING, AND DURING THE LDG ROLL OUT, HE FELT HE WOULD BE UNABLE TO STOP BEFORE RUNNING OFF THE RUNWAY.  HE ELECTED TO TURN TO THE RIGHT, ON THE SOFT SHOULDER, INSTEAD OF GOINT STRAIGHT AHEAD INTO THE TREES AND FENCE. WHEN LEAVING THE HARD SURFACE RNWY, THE LEFT GEAR STRUCK THE SOFT SURFACE, BROKE OFF, STRIKING THE WING, FLAP, THEN THE FUSELAGE NEAR THE HORIZONTAL STABILATOR.  THE PROPELLER AND THE WING TIP THEN STRUCK THE TERRAIN.

## Aircraft

- Registration: [N1986L](https://openairdocs.org/aircraft/N1986L), registered now, S/N M-1843, built 1976 (OpenAirDocs)
- Reported make and model: BEECH C23
- Registry model: [Beech C23](https://openairdocs.org/model/beech-c23) (registry code 1151242) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: M-1843
- Airframe hours: 2175
- Engines: LYCOMING O-360-A4J 180 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Seaton, Jimmie R.
- Airworthiness certificate: Standard, Normal
- Departed: IXD, OLATHE, KS
- Flight plan: VFR
- Airport: H62, Sullivan, runway 24, 2,100 × 45 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 37; private; airplane ratings: single-engine land; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 94 total, 84 in this make and model, 38 as pilot in command, 7 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 300° at 15 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 36 °F
- Observed at: COU

## 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 19880315007889A](https://openairdocs.org/incident/19880315007889A), Mar 15, 1988: Beech C23, Sullivan, MO, Substantial damage. Unable to stop on runway after landing,veered off near end into soft mud severing left main gear.

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
