# NTSB MKC86LA106: Cessna 188, N5531S, Lawrence, KS, May 11, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: May 11, 1986, 15:30 local (20:30 UTC)
- Place: Lawrence, KS
- Coordinates: 39.020584, -95.210723 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.0206&lon=-95.2107&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 34174
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC86LA106
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34174/pdf
- Page: https://openairdocs.org/ntsb/MKC86LA106

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - preflight planning/preparation - improper, pilot in command (contributing factor)
  - terrain condition - rough/uneven
  - landing gear,tire - burst (cause)
  - directional control - not maintained, pilot in command (cause)
- Nose over, takeoff - roll/run
  - terrain condition - soft (contributing factor)

## Analysis

THE PILOT STATED THAT THE RIGHT MAIN TIRE ROLLED OVER SHARP ROCKS AND WAS SUBSEQUENTLY DESTROYED DURING THE TAKEOFF ROLL. THE PILOT FURTHER STATED THAT HE APPARENTLY OVER CORRECTED AND DRIFTED LEFT, DIGGING INTO A SOFT SPOT ON THE RUNWAY, AND NOSED OVER.

## Aircraft

- Registration: [N5531S](https://openairdocs.org/deregistered/N5531S-1989-01-26), registration cancelled 1989-01-26, S/N 1880031 (OpenAirDocs)
- Reported make and model: CESSNA 188
- Registry model: [Cessna 188](https://openairdocs.org/model/cessna-188) (registry code 2073002) (OpenAirDocs)
- Category: Airplane
- Serial number: 188-0031
- Airframe hours: 2600
- Engines: CONTINENTAL O-470-R 230 horsepower reciprocating
- Damage: Substantial damage
- Flight: Aerial application, Part 137
- Operator: Merrill L. Johnson
- Airworthiness certificate: Special, Restricted (Special); Standard, Normal
- Last inspection: Annual, March 3, 1986, 18 hours before
- Departed: LAWRENCE, KS
- Airport: runway 24, 2,000 ×  ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 59; commercial; airplane ratings: single-engine land; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 4,000 total, 1,600 in this make and model, 4,000 as pilot in command, 18 in the last 90 days, 7 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 79 °F, dew point 55 °F
- Altimeter: 29.00 inHg
- Observed at: MKC, 31 nm away

## 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 19860511016929A](https://openairdocs.org/incident/19860511016929A), May 11, 1986: Cessna 188CESSNA, Lawrence, KS, Substantial damage. Sharp rocks caused main tire to fail. Pilot overcorrected and ran off the side of the grass strip and nosed over.

## Other investigations on N5531S (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 FTW70D0135](https://openairdocs.org/ntsb/FTW70D0135), Aug 2, 1969: Cessna 188 (N5531S), Guymon, OK, 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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