# NTSB SEA85LA169: Cessna 185F, N4309R, Boise, ID, July 17, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 17, 1985, 10:49 local (16:49 UTC)
- Place: Boise, ID
- Coordinates: 43.559429, -116.210472 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=43.5594&lon=-116.2105&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40202
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA169
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40202/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA169

## 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
  - directional control - not maintained, pilot in command (cause)
- Main gear collapsed, landing - roll
  - landing gear,main gear - overload

## Analysis

THE ACFT GROUND LOOPED AND THE LEFT MAIN GEAR COLLAPSED DURING A LANDING ROLL. THE PLT REPORTED THAT THE LEFT WING CAME UP DURING THE LANDING ROLL WHICH RESULTED IN THE ACFT VEERING TO THE RIGHT. WHEN THE WING SETTLED, THE LEFT MAIN GEAR COLLAPSED ALLOWING THE LEFT WING TO CONTACT THE RWY.

## Aircraft

- Registration: [N4309R](https://openairdocs.org/aircraft/N4309R), registered now, S/N 18502928, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 185F
- Registry model: [Cessna A185F](https://openairdocs.org/model/cessna-a185f) (registry code 2072821) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 18502928
- Airframe hours: 900
- Engines: CONTINENTAL IO-520-D 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Mike D. Browning
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, February 8, 1985
- Departed: SALMON, ID
- Airport: B01, Gowen Field, runway 28L, 9,763 × 190 ft, macadam

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 54; private; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 738 total, 666 in this make and model, 636 as pilot in command, 24 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 310° at 9 knots
- Visibility: 20 statute miles
- Lowest ceiling: none
- Temperature: 73 °F, dew point 43 °F
- Altimeter: 29.00 inHg
- Observed at: BOI

## 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 19850717031789A](https://openairdocs.org/incident/19850717031789A), Jul 17, 1985: Cessna A185F, Boise, ID, Substantial damage. During rollout aircraft ground looped. Left wing came up and gear collapsed when it struck the runway.

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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