# NTSB DEN91LA121: Cessna R182, N2628C, Parker, CO, August 29, 1991

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: August 29, 1991, 12:15 local (18:15 UTC)
- Place: Parker, CO
- Coordinates: 39.500247, -104.759635 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.5002&lon=-104.7596&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor, 2 uninjured
- Status: Completed, report March 2, 1993
- Report: Approved by Office Director
- NTSB case key (mKey): 18129
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN91LA121
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/18129/pdf
- Page: https://openairdocs.org/ntsb/DEN91LA121

## Probable cause

PARTIAL FAILURE OF THE AIRCRAFT POWERPLANT FOR UNDETERMINED REASONS. A RELATED FACTOR WAS: THE SOFT TERRAIN.

## Sequence of events

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

- Loss of engine power, approach
  - reason for occurrence undetermined (cause)
- Forced landing, descent - emergency
- Nose over, landing - flare/touchdown
  - terrain condition - soft (contributing factor)

## Analysis

THE INSTRUCTOR PILOT HAD JUST BEEN CLEARED TO REPORT ON A RIGHT BASE FOR RUNWAY 35.  HE SAID THAT THE ENGINE BEGAN TO RUN ROUGH AND LOSE POWER.  AN ATTEMPT TO RESTORE ENGINE POWER WAS UNSUCCESSFUL, AND THE PILOT WAS FORCED TO LAND ON UNSUITABLE TERRAIN.

## Aircraft

- Registration: [N2628C](https://openairdocs.org/deregistered/N2628C-1994-09-28), registration cancelled 1994-09-28, S/N R18200181 (OpenAirDocs)
- Reported make and model: CESSNA R182
- Registry model: [Cessna R182](https://openairdocs.org/model/cessna-r182) (registry code 2072734) (OpenAirDocs)
- Category: Airplane
- Serial number: R18200181
- Engines: LYCOMING O-540-J3C5D 235 horsepower reciprocating
- Damage: Substantial damage
- Flight: Instructional, Part 91
- Operator: P.C. Flyers, Inc.
- Departed: APA, ENGLEWOOD, CO

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 29; commercial, flight instructor; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 1, valid medical--no waivers/lim.; flight hours: 1,420 total, 70 in this make and model, 1,273 as pilot in command, 158 in the last 90 days, 8 in the last 30 days, 5 in the last 24 hours

## Weather

- Conditions: Visual (VMC), Day
- Wind: 340° at 14 knots
- Visibility: 50 statute miles
- Lowest ceiling: none
- Temperature: -0 °F, dew point -0 °F
- Observed at: APA, 8 nm away

## 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 19910829037899A](https://openairdocs.org/incident/19910829037899A), Aug 29, 1991: Cessna R182, Parker, CO, Substantial damage. Partial power loss and low fuel pressure. Nosed over landing. Engine test run post accident was normal.

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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