# NTSB DEN83LA151: Cessna 172, N75958, Ellicott, CO, June 17, 1983

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Limited investigation · Final report
- Date: June 17, 1983, 08:35 local (14:35 UTC)
- Place: Ellicott, CO
- Location: 38.8256° N, 104.3829° W: Placed by OpenAirDocs: center of Ellicott, CO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8256&lon=-104.3829&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16103
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN83LA151
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16103/pdf
- Page: https://openairdocs.org/ntsb/DEN83LA151

## Sequence of events

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

- Loss of engine power(total) - nonmechanical, descent - normal
  - fuel system,carburetor - ice (contributing factor)
  - carburetor heat - improper use of, pilot in command (cause)
  - weather condition - carburetor icing conditions (contributing factor)
  - throttle/power control - improper use of, pilot in command (cause)
- Forced landing, landing - flare/touchdown
- On ground/water collision with object, landing - roll
  - object - fence (contributing factor)

## Analysis

THE ACFT COLLIDED WITH A FENCE DURING A FORCED LANDING AFTER THE ENGINE QUIT. THE PLT WAS DESCENDING FROM AIRWORK AT 10800 FT MSL TO RETURN TO THE ARPT. THE ENGINE WAS REDUCED TO IDLE AND THE CARBURETOR HEAT WAS ON BUT THE ENGINE WOULD NOT RESPOND WHEN THE THROTTLE WAS ADVANCED. EMERGENCY PROCEDURES WERE INTITATED AND A LANDING SITE CHOSEN. THE DIRT ROADCHOSEN HAD A CROSSWIND SO AN ALTERNATE FIELD WAS CHOSEN. THE GRASS FIELD GAVE POOR DECELERATION AND AFTER 455 FT OF ROLLA FENCE WAS ENCOUNTERED. IN THE RECOMMENDATION SECTION OF THE PILOT'S ACCIDENT REPORT HE WROTE 'BE CAUTIOUS EVEN WITH NOVISIBLE MOISTURE WHEN IT WAS VISIBLE EARLIER.' ALL POST ACCIDENT TESTS ON THE ENGINE WERE NORMAL. THE FUEL SYSTEM CONTAINED NO WATER IN THE TANKS OR LINES. THE TEMPERATURE ON THE DAY OF THE ACCIDENT WAS 55 DEGREES F AND THE DEWPOINT WAS 32 DEGREES F.

## Aircraft

- Registration: [N75958](https://openairdocs.org/deregistered/N75958-2012-12-12), registration cancelled 2012-12-12, S/N 17268069, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 172
- Registry model: [Cessna 172N](https://openairdocs.org/model/cessna-172n) (registry code 2072434) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 17268069
- Airframe hours: 1795
- Engines: LYCOMING O-320-H2AD 160 horsepower reciprocating
- Damage: Substantial damage
- Flight: Personal, Part 91
- Registered owner: Robert Elliott
- Airworthiness certificate: Standard, Normal
- Last inspection: Annual, June 4, 1982, 20 hours before
- Departed: COS, COLORADO SPRING, CO

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 52; commercial; airplane ratings: single-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: left; flight hours: 3,419 total, 484 in this make and model, 3,318 as pilot in command, 7 in the last 90 days, 1 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 135° at 6 knots, gusting 10
- Visibility: 100 statute miles
- Lowest ceiling: none
- Temperature: 55 °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 19830617031909A](https://openairdocs.org/incident/19830617031909A), Jun 17, 1983: Cessna 172N, Ellicot, CO, Substantial damage. Engine failed to respond after a prolonged glide. Overshot forced landing area. Struck a fence.

## Other investigations on N75958 (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 FTW00LA107](https://openairdocs.org/ntsb/FTW00LA107), Mar 24, 2000: Cessna 172N (N75958), Maud, OK, substantial damage. Probable cause: the loss of engine power while maneuvering as a result of the separation of the exhaust rocker arm retaining stud due to fatigue, which resulted in a precautionary landing.

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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