# NTSB FTW84LA112: Beech 65-90, N85NL, Okemah, OK, January 10, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: January 10, 1984, 14:10 local (20:10 UTC)
- Place: Okemah, OK
- Coordinates: 35.419605, -96.289871 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=35.4196&lon=-96.2899&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 5 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 21244
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW84LA112
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/21244/pdf
- Page: https://openairdocs.org/ntsb/FTW84LA112

## Sequence of events

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

- Overrun, landing - roll
  - unsuitable terrain or takeoff/landing/taxi area - improper, pilot in command (cause)
  - airport facilities,runway/landing area condition - wet (contributing factor)
  - airport facilities,runway/landing area condition - icy (contributing factor)
  - go-around - not performed, pilot in command
- On ground/water collision with object, landing
  - object - tree(s) (contributing factor)
  - ground loop/swerve - attempted, pilot in command

## Analysis

THE PLT LANDED LONG ON A TURF RWY WITH STANDING WATER ON THE APPROACH END. THE PLT WAS UNABLE TO STOP ON THE RWY AND WAS ALSO UNSUCCESSFUL IN GROUNDLOOPING TO AVOID HITTING TREES OFF THE END OF THE RWY.

## Aircraft

- Registration: [N85NL](https://openairdocs.org/deregistered/N85NL-2011-03-29), registration cancelled 2011-03-29, S/N LJ-90, built 1965 (OpenAirDocs)
- Reported make and model: BEECH 65-90
- Registry model: [Beech 65-90](https://openairdocs.org/model/beech-65-90) (registry code 1152904) (OpenAirDocs)
- Registry engine: [U/A Canada PT6 SER 578HP](https://openairdocs.org/engine/u-a-canada-pt6-ser-578hp) (registry code 61501, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Serial number: LJ-90
- Airframe hours: 7930
- Engines: P&W PT6A-20 500 horsepower turbo prop
- Damage: Substantial damage
- Flight: Business, Part 91
- Operator: Comanche Energy Resources
- Registered owner: Midwest Jet Sales
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, December 6, 1983
- Departed: PWA, OKLAHOMA CITY, OK
- Airport: F81, Okemah, runway 17, 3,200 × 130 ft, grass/turf

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 30; commercial; airplane ratings: multi-engine land, single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 4,482 total, 748 in this make and model, 94 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 290° at 5 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 36 °F, dew point -0 °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 19840110000659A](https://openairdocs.org/incident/19840110000659A), Jan 10, 1984: Beech 65A90, Okemah, OK, Substantial damage. Landed long to avoid standing water. Unable to stop. Overran the wet sod runway into trees.

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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