# NTSB DEN84LA055: Cessna 152, N49786, Hudson, CO, December 30, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: December 30, 1983, 09:10 local (16:10 UTC)
- Place: Hudson, CO
- Coordinates: 40.0802, -104.800743 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=40.0802&lon=-104.8007&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): 16311
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84LA055
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16311/pdf
- Page: https://openairdocs.org/ntsb/DEN84LA055

## Sequence of events

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

- Loss of control - on ground/water, landing - flare/touchdown
  - airport facilities,runway/landing area condition - snow covered (contributing factor)
  - unsuitable terrain or takeoff/landing/taxi area - selected, pilot in command (cause)
  - directional control - not possible, pilot in command
  - ground loop/swerve - uncontrolled, pilot in command
- Nose over, landing - roll

## Analysis

AFTER RETURNING FROM A MAINTENANCE TEST FLT, THE PLT MADE A NORMAL APCH TO LAND ON A SNOW COVERED RWY. ACCORDING TO THE PLT & HIS PASSENGER, THE ACFT TOUCHED DOWN ALONG THE RIGHT SIDE OF THE RWY IN SNOW. THE PLANE THEN VEERED TO THE RIGHT & NOSED OVER. NO MALFUNCTION OF THE ACFT'S FLT CONTROLS OR BRAKING SYS WAS FOUND.

## Aircraft

- Registration: [N49786](https://openairdocs.org/deregistered/N49786-2012-12-18), registration cancelled 2012-12-18, S/N 15281316, built 1978 (OpenAirDocs)
- Reported make and model: CESSNA 152
- Registry model: [Cessna 152](https://openairdocs.org/model/cessna-152) (registry code 2071835) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Serial number: 15281316
- Airframe hours: 3431
- Engines: LYCOMING O-235-L2C 110 horsepower reciprocating
- Damage: Substantial damage
- Flight: Part 91
- Operator: Associates Flying Club
- Registered owner: Andrew R. Sommers
- Airworthiness certificate: Standard, Utility
- Last inspection: Annual, May 18, 1983, 112 hours before
- Departed: 18V, PLATTE VALLEY, CO
- Airport: 18V, Platte Valley, runway 15, 4,150 × 44 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 36; private; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; flight hours: 225 total, 150 in this make and model, 7 in the last 90 days, 1 in the last 30 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 90° at 5 knots
- Visibility: 15 statute miles
- Lowest ceiling: 15,000 ft overcast
- Temperature: 36 °F, dew point -0 °F

## 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 19831230064999A](https://openairdocs.org/incident/19831230064999A), Dec 30, 1983: Cessna 152, Hudson, CO, Substantial damage. Landed on edge of snow drifted runway. Wheels caught in snow and aircraft veered right and flipped inverted.

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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