# NTSB SEA86LA186: Cessna 210, N1782X, Hillsboro, OR, August 1, 1986

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: July 31, 1986, 17:38 local (Aug 1, 1986, 00:38 UTC)
- Place: Hillsboro, OR
- Coordinates: 45.440914, -122.960159 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=45.4409&lon=-122.9602&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40459
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA86LA186
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40459/pdf
- Page: https://openairdocs.org/ntsb/SEA86LA186

## Sequence of events

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

- In flight collision with object, takeoff - initial climb
  - airport facilities,runway/landing area condition - high obstruction(s) (contributing factor)
  - airport facilities,runway/landing area condition - dirt bank/rising embankment (contributing factor)
  - object - utility pole (contributing factor)
  - preflight planning/preparation - inadequate, pilot in command (cause)
  - lift-off - misjudged, pilot in command (cause)
- Dragged wing,rotor,pod,float or tail/skid, landing - flare/touchdown
  - emergency procedure - initiated, pilot in command (cause)

## Analysis

THE PILOT REPORTED THAT HE STRUCK A POST ON TAKE-OFF AND BROKE OFF THE MAIN LANDING GEAR WHEEL. THE PILOT PROCEEDED TO HILLSBORO, OREGON WHERE AN EMERGENCY LANDING WAS MADE ON A PAVED RUNWAY WITH THE LANDING GEAR STILL EXTENDED. THE STUB CAUGHT IN THE RUNWAY CAUSING THE AIRCRAFT TO VEER ONTO THE GRASS ON THE WING. THE PILOT REPORTED THAT HE HAD TRIMMED THE AIRCRAFT FOR A SHORT FIELD TAKE OFF AND CHECKED THE WINDSOCK BEFORE STARTING HIS TAKE OFF ROLL. LIFT OFF WAS ABOUT 1200 FEET DOWN THE 2400 FOOT GRASS RUNWAY. DURING INITIAL CLIMB THE AIRCRAFT SEEMED TO SETTLE A BIT BUT INDICATED AIRSPEED WAS MOVING FROM 70 TO 75 MPH. BEYOND THE DEPARTURE END OF THE RUNWAY WAS A 5 FOOT HIGH DIKE AND BEYOND THE DIKE A 4 FOOT POST. DURING CLIMB OUT A 'LOUD BANG' WAS HEARD. A VISUAL CHECK DISCLOSED THE RIGHT MAIN LANDING GEAR WHEEL WAS MISSING. THE LANDING GEAR WAS LEFT IN THE DOWN POSITION AND THE AIRCRAFT WAS FLOWN TO HILLSBORO, OREGON WHERE A LANDING WAS MADE. THE RIGHT WHEEL WAS FOUND AT THE DEPARTURE AIRPORT.

## Aircraft

- Registration: [N1782X](https://openairdocs.org/deregistered/N1782X-2014-09-10), registration cancelled 2014-09-10, S/N 21060802, built 1975 (OpenAirDocs)
- Reported make and model: CESSNA 210
- Registry model: [Cessna T210L](https://openairdocs.org/model/cessna-t210l) (registry code 2073449) (OpenAirDocs)
- Registry engine: [Continental TSIO-520 series](https://openairdocs.org/engine/continental-tsio-520-series) (registry code 17040, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 21060802
- Airframe hours: 1435
- Engines: CONTINENTAL TS10-520-H 300 horsepower reciprocating
- Damage: Substantial damage
- Flight: Business, Part 91
- Registered owner: West Side Timber Co.
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, November 21, 1985
- Departed: YAKIMA, WA
- Airport: HIO, Hillsboro

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 44; commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 3, valid medical--no waivers/lim.; seat: left; flight hours: 6,081 total, 240 in this make and model, 5,913 as pilot in command, 30 in the last 90 days, 3 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 0° at 3 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 84 °F, dew point -0 °F
- Altimeter: 30.00 inHg

## 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 19860731036699A](https://openairdocs.org/incident/19860731036699A), Jul 31, 1986: Cessna T210L, Hillsboro, OR, Substantial damage. The aircraft struck a post on takeoff which detached the right wheel. High density altitude was a factor.

## Other investigations on N1782X (2)

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 OAK76DVH17](https://openairdocs.org/ntsb/OAK76DVH17), Sep 22, 1976: Cessna 210 (N1782X), St.Helena, CA, substantial damage
- [NTSB OAK76FVG35](https://openairdocs.org/ntsb/OAK76FVG35), Nov 13, 1975: Cessna 210 (N1782X), Redding, CA, 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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