# NTSB SEA85LA055: Beech 58TC, N6588S, Spokane, WA, February 9, 1985

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: February 8, 1985, 16:30 local (Feb 9, 1985, 00:30 UTC)
- Place: Spokane, WA
- Coordinates: 47.689693, -117.44947 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.6897&lon=-117.4495&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): 40112
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA055
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40112/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA055

## Sequence of events

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

- On ground/water encounter with terrain/water, landing - flare/touchdown
  - weather condition - below approach/landing minimums (contributing factor)
  - ifr procedure - simulated, pilot in command (cause)
  - proper touchdown point - not identified, pilot in command (cause)
  - terrain condition - snow covered

## Analysis

THE ACFT TOUCHED DOWN TO THE LEFT OF THE RUNWAY ONTO SNOW. VISIBILITY AT THE TIME OF THE ACCIDENT WAS 1 MILE WITH SNOW AND A CEILING OF 700 FEET.

## Aircraft

- Registration: [N6588S](https://openairdocs.org/deregistered/N6588S-1994-10-06), registration cancelled 1994-10-06, S/N TK4 (OpenAirDocs)
- Reported make and model: BEECH 58TC
- Registry model: [Beech 58TC](https://openairdocs.org/model/beech-58tc) (registry code 1152746) (OpenAirDocs)
- Category: Airplane
- Serial number: TK4
- Engines: CONTINENTAL TSIO-520-L 310 horsepower reciprocating
- Damage: Substantial damage
- Flight: Positioning, Part 91
- Operator: M.C.Aldred, doing business as Barckley Flying Service
- Registered owner: Lester C. Barclay
- Airworthiness certificate: Standard, Normal
- Departed: S27, KALISPELL, MT
- Destination: SFF, SPOKANE, WA
- Flight plan: IFR
- Airport: SFF, Felts Field, runway 32, 4,500 × 150 ft, snow

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 53; airline transport, flight instructor; airplane ratings: single-engine sea, single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; seat: left; flight hours: 8,007 total, 50 in this make and model, 7,736 as pilot in command, 113 in the last 90 days, 4 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: 100° at 5 knots
- Visibility: 1 statute miles
- Lowest ceiling: 700 ft
- Temperature: 28 °F, dew point 25 °F
- Altimeter: 29.00 inHg
- Observed at: SFF

## 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 19850208025779A](https://openairdocs.org/incident/19850208025779A), Feb 8, 1985: Beech 58TC, Spokane, WA, Substantial damage. Landed off to one side and parallel to runway. Could not see runway or runway edge lights due to snow cover.

## Other investigations on N6588S (1)

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 ATL92FA031](https://openairdocs.org/ntsb/ATL92FA031), Dec 26, 1991: Beech 58TC (N6588S), Bluffton, SC, destroyed, 5 fatal. Probable cause: THE PILOT'S FAILURE TO MAINTAIN MINIMUM CONTROLLABLE AIRSPEED AFTER A REPORTED ENGINE POWER LOSS, RESULTING IN A LOSS OF AIRCRAFT CONTROL. A FACTOR WAS THE LOSS OF POWER ON THE LEFT ENGINE. THE…

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.
