# NTSB DEN84FA298: Cessna 182P, N1939M, Glen Canyon, UT, September 18, 1984

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Field investigation · Final report
- Date: September 17, 1984, 20:30 local (Sep 18, 1984, 03:30 UTC)
- Place: Glen Canyon, UT
- Coordinates: 37.270507, -112.230651 (estimated)
- Nearby events: https://openairdocs.org/map.md?lat=37.2705&lon=-112.2307&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed
- Report: Approved by Office Director
- NTSB case key (mKey): 16243
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN84FA298
- NTSB report (PDF, downloads): https://data.ntsb.gov/carol-repgen/api/Aviation/ReportMain/GenerateNewestReport/16243/pdf
- Page: https://openairdocs.org/ntsb/DEN84FA298

## Sequence of events

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

- In flight collision with terrain/water, cruise - normal
  - light condition - dark night (contributing factor)
  - altitude - improper, pilot in command (cause)
  - fatigue(chronic), pilot in command (contributing factor)
  - terrain condition - mountainous/hilly
  - fatigue(flight schedule), pilot in command (contributing factor)
  - lack of familiarity with geographic area, pilot in command (contributing factor)
  - lack of total experience in type operation, pilot in command (contributing factor)
  - inattentive, pilot in command (contributing factor)

## Analysis

THE ACFT CRASHED INTO THE 10388 FT HIGH NAVAHO MOUNTAIN AT ABOUT THE 9800 FT LEVEL. REPORTEDLY THERE WAS NO MOON THAT EVENING. THE PLT HAD DEPARTED HAYWARD, CA AT 1351 MDT & WAS ENROUTE TO FARMINGTON, NM. THE ACFT CRASHED AT 2027 MDT. INVESTIGATION REVEALED THE 67 YR OLD PILOT WAS SAID TO BE OVERWEIGHT, A HEAVY SMOKER, WAS UNDER GREAT PRESSURE, EASILY BECAME UPSET & HAD NEVER FLOWN THIS ROUTE BEFORE. THE FORMER WWII BOMBER PLT ALSO HAD LIMITED NIGHT & INSTRUMENT EXPERIENCE. THE PLT SEEMED CONFUSED DURING RADIO COMMUNICATIONS. THERE WERE SCATTERED & ISOLATED THUNDERSTORMS IN THE AREA.

## Aircraft

- Registration: [N1939M](https://openairdocs.org/deregistered/N1939M-2013-01-31), registration cancelled 2013-01-31, S/N 18264492, built 1976 (OpenAirDocs)
- Reported make and model: CESSNA 182P
- Registry model: [Cessna 182P](https://openairdocs.org/model/cessna-182p) (registry code 2075816) (OpenAirDocs)
- Registry engine: [Continental O-470 series](https://openairdocs.org/engine/continental-o-470-series) (registry code 17026, reciprocating) (OpenAirDocs)
- Category: Airplane
- Serial number: 182-64492
- Airframe hours: 16564
- Engines: Teledyne Cont O-470-S 265 horsepower reciprocating
- Damage: Destroyed
- Flight: Business, Part 91
- Registered owner: Lyle Rober Gibson
- Airworthiness certificate: Standard, Normal
- Last inspection: 100 hour, July 23, 1984, 674 hours before
- Departed: SGU, ST GEORGE, UT
- Destination: FMN, FARMINGTON, NM

## Flight crew

As NTSB recorded them. NTSB leaves out names.

- Pilot; age 67; commercial; airplane ratings: single-engine land; medical: class 3, valid medical--w/ waivers/lim; seat: left; toxicology performed; flight hours: 49,884 total, 484 in this make and model, 919 as pilot in command, 1 in the last 90 days

## Weather

- Conditions: Visual (VMC), Night/dark
- Wind: 90° at 5 knots
- Visibility: 15 statute miles
- Lowest ceiling: none
- Temperature: 70 °F, dew point 45 °F
- Altimeter: 30.00 inHg
- Observed at: CDC, 140 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 19840917050309A](https://openairdocs.org/incident/19840917050309A), Sep 17, 1984: Cessna 182P, Glen Canyon Cit, UT, Destroyed. Aircraft crashed into mountain north of course. Pilot not IFR rated for dark night flight above 9000 feet.

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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