# NTSB SEA89LA028: Cessna 210D, N3815Y, Twin Falls, ID, December 17, 1988

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 17, 1988, 15:25 local (22:25 UTC)
- Place: Twin Falls, ID
- Coordinates: 42.410064, -114.589256 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=42.4101&lon=-114.5893&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 28, 1989
- Report: Approved by Office Director
- NTSB case key (mKey): 40964
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA89LA028
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40964/pdf
- Page: https://openairdocs.org/ntsb/SEA89LA028

## Sequence of events

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

- Gear not extended, approach
  - landing gear,nose gear - failure,partial (cause)
- Nose down, landing

## Analysis

PRIOR TO LANDING, THE PILOT WAS UNABLE TO LOWER THE NOSE GEAR BY USING EITHER THE NORMAL OR EMERGENCY SYSTEMS. SUBSEQUENTLY, HE LANDED THE ACFT WITH THE MAIN GEAR EXTENDED & THE NOSE GEAR IN THE RETRACTED POSITION. AFTER LANDING, THE NOSE GEAR UPLOCK ACTUATOR WAS REMOVED FROM THE ACFT & INSPECTED, BUT NO ABNORMALITIES WERE FOUND.

## Aircraft

- Registration: [N3815Y](https://openairdocs.org/aircraft/N3815Y), registered now, S/N 21058315, built 1964 (OpenAirDocs)
- Reported make and model: CESSNA 210D
- Registry model: [Cessna 210D](https://openairdocs.org/model/cessna-210d) (registry code 2073414) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 21058315
- Airframe hours: 2290
- Engines: CONTINENTAL IO-520-A 285 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Operator: High Country Aero Club
- Registered owner: High Country Aero Club
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, March 1, 1988, 100 hours before
- Departed: SUN, HAILEY, ID
- Destination: TWF, TWIN FALLS, ID
- Airport: TWF, Twin Falls, runway 25, 8,703 × 150 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 52; private; airplane ratings: single-engine land; medical: unknown, valid medical--no waivers/lim.; seat: left; flight hours: 1,391 total, 342 in this make and model, 1,310 as pilot in command, 19 in the last 90 days, 2 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 100° at 8 knots
- Visibility: 40 statute miles
- Lowest ceiling: none
- Temperature: 34 °F
- Observed at: TWF

## 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 19881217055489A](https://openairdocs.org/incident/19881217055489A), Dec 17, 1988: Cessna 210D, Twin Falls, ID, Substantial damage. Unable to extend nose gear hydraulically or manual. Landed nose gear up. No defects found. Prior same problem unsolved

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.