# NTSB MKC86LA079: Cessna 172, N9866G, Ness City, KS, April 4, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: April 4, 1986, 15:00 local (21:00 UTC)
- Place: Ness City, KS
- Coordinates: 38.450553, -99.900245 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=38.4506&lon=-99.9002&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 34154
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC86LA079
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/34154/pdf
- Page: https://openairdocs.org/ntsb/MKC86LA079

## 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
  - weather condition - high wind (contributing factor)
  - wind information - conflicting, pilot in command (contributing factor)
  - weather condition - gusts
  - compensation for wind conditions - not possible, pilot in command (cause)
  - weather condition - crosswind (contributing factor)
- Miscellaneous/other, landing - roll

## Analysis

THE PILOT WAS LANDING TO THE NORTH WITH A WIND FROM THE WEST-NORTHWEST AT 15 KNOTS, GUSTING TO 20 KNOTS. THE PILOT STATED THAT HE HAD FULL AILERON INTO THE WIND AND DESPITE THIS ACTION, THE WING RAISED UP BY A STRONG GUST AND AIRPLANE FLIPPED OVER TO THE INVERTED POSITION.

## Aircraft

- Registration: [N9866G](https://openairdocs.org/aircraft/N9866G), registered now, S/N 17259766, built 1971 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172L](https://openairdocs.org/model/cessna-172l) (registry code 2072432) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17259766
- Airframe hours: 2500
- Engines: LYCOMING O-320-E2D 150 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Ness Air Inc.
- Airworthiness certificate: Standard, Normal
- Departed: GBD, GREAT BEND, KS
- Airport: 48K, Municipal, runway 35, 3,150 × 48 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 42; private; airplane ratings: single-engine land; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 400 total, 6 in this make and model, 400 as pilot in command, 50 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 250° at 20 knots, gusting 26
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 59 °F, dew point 37 °F
- Altimeter: 29.00 inHg
- Observed at: DDC, 45 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 19860404012719A](https://openairdocs.org/incident/19860404012719A), Apr 4, 1986: Cessna 172L, Ness City, KS, Substantial damage. During the landing roll, the strong crosswind flipped the aircraft to the inverted position.

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.
