# NTSB DEN87LA001: Cessna 177RG, N33215, Glenwood Spring, CO, October 6, 1986

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Limited investigation · Final report
- Date: October 6, 1986, 07:25 local (13:25 UTC)
- Place: Glenwood Spring, CO
- Coordinates: 39.540515, -107.329597 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=39.5405&lon=-107.3296&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 17141
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN87LA001
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/17141/pdf
- Page: https://openairdocs.org/ntsb/DEN87LA001

## Sequence of events

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

- Loss of control - on ground/water, takeoff
  - rotation - premature, dual student (cause)
  - rotation - excessive, dual student (cause)
  - lift-off - premature, dual student (cause)
  - remedial action - delayed, pilot in command(cfi) (cause)
  - abort - not performed, pilot in command(cfi) (cause)
  - supervision - inadequate, pilot in command(cfi) (cause)
- In flight collision with terrain/water, takeoff - roll/run
  - airspeed(vlof) - not attained, pilot in command(cfi) (cause)

## Analysis

WHILE ON TAKEOFF THE ACFT BECAME AIRBORNE, SETTLED BACK ONTO THE RWY, RAN OFF THE END OF THE RWY INTO A 150 FOOT DEEP RIVER GORGE, AND IMPACTED IN THE RIVER.

## Aircraft

- Registration: [N33215](https://openairdocs.org/deregistered/N33215-2013-08-15), registration cancelled 2013-08-15, S/N 177RG0922, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 177RG
- Registry model: [Cessna 177RG](https://openairdocs.org/model/cessna-177rg) (registry code 2073709) (OpenAirDocs)
- Registry engine: [Lycoming IO-360-A1B6D](https://openairdocs.org/engine/lycoming-io-360-a1b6d) (registry code 41593, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 177RG0922
- Airframe hours: 1893
- Engines: LYCOMING I0360-A1B6D 200 horsepower reciprocating
- Damage: Destroyed
- Flight: Instructional, Part 91
- Registered owner: Triple S Flying Service
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, August 12, 1986, 93 hours before
- Destination: APA, DENVER, CO
- Airport: GWS, Glenwood Springs, runway 14, 3,305 × 50 ft, asphalt

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 64; flight instructor, commercial; airplane ratings: single-engine land, multi-engine land; instrument ratings: airplane; medical: class 2, valid medical--w/ waivers/lim; seat: right; flight hours: 6,598 total, 147 in this make and model, 6,598 as pilot in command, 159 in the last 90 days

## Weather

- Conditions: Visual (VMC), Day
- Wind: calm
- Visibility: 35 statute miles
- Lowest ceiling: none
- Temperature: 28 °F, dew point 27 °F
- Altimeter: 30.00 inHg
- Observed at: EGE, 20 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 19861006047899A](https://openairdocs.org/incident/19861006047899A), Oct 6, 1986: Cessna 177RG, Glenwood Spring, CO, Destroyed. CFI unable to recover after student lifted off early. Impacted in a river gorge. Frost on aircraft a factor.

## Other investigations on N33215 (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 DEN84LA201](https://openairdocs.org/ntsb/DEN84LA201), Jun 29, 1984: Cessna 177RG (N33215), Cheyenne, WY, substantial damage

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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