# NTSB SEA85LA041: Cessna 441, N441CF, Coeur D' Alene, ID, December 21, 1984

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 21, 1984, 09:15 local (15:15 UTC)
- Place: Coeur D' Alene, ID
- Coordinates: 47.590053, -116.91024 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=47.5901&lon=-116.9102&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 40103
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA85LA041
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/40103/pdf
- Page: https://openairdocs.org/ntsb/SEA85LA041

## Sequence of events

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

- Loss of control - on ground/water, takeoff - roll/run
  - directional control - not maintained, pilot in command (cause)
  - airport facilities,runway/landing area condition - snow covered (contributing factor)
- On ground/water encounter with terrain/water, takeoff - roll/run
  - airport facilities,runway/landing area condition - snowbank (contributing factor)

## Analysis

ON TAKEOFF RUN, ACFT DRIFTED LEFT OF CENTER LINE, LEFT SEAT PILOT MADE CORRECTIVE RUDDER INPUT THEN RIGHT SEAT PILOT MADE ADDITIONAL CORRECTIVE INPUT. ACFT YAWED MODERATELY TO LEFT AND CONTACTED A SNOW BERM. ACFT SPUN LEFT 180 DEGREES AND SLID BACKWARD TO A STOP.

## Aircraft

- Registration: N441CF (not matched to a registry record)
- Reported make and model: CESSNA 441
- Category: Airplane
- Serial number: 4410060
- Airframe hours: 1338
- Engines: GARRETT TPE33184015 636 horsepower turbo prop
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: Empire Airways
- Registered owner: Mercury Aviation Companies
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, December 12, 1984, 8 hours before
- Departed: COE, COEUR D'ALENE, ID
- Destination: BOI, BOISE, ID
- Flight plan: IFR
- Airport: COE, Coeur D'Alene Air Term., runway 19, 5,400 × 75 ft, snow

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 35; commercial, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--no waivers/lim.; seat: left; flight hours: 1,690 total, 330 in this make and model, 1,370 as pilot in command, 212 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Instrument (IMC), Day
- Wind: calm
- Visibility: 5 statute miles
- Lowest ceiling: 900 ft overcast
- Temperature: 16 °F, dew point 9 °F
- Altimeter: 30.00 inHg
- Observed at: COE

## 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 19841221075879A](https://openairdocs.org/incident/19841221075879A), Dec 21, 1984: Cessna 441, Coeur D Alene, ID, Substantial damage. Snow cover obscured runway on takeoff. Misaligned with centerline. Prop hit snow berm. Swerved, right gear broke.

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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