- Date
- June 2, 1990, 20:15 local (Jun 3, 1990, 02:15 UTC)
- Place
- Dillon, CO
- Injuries
- 1 fatal
- Damage
- Substantial damage
- Phase of flight
- Enroute
- Aircraft
- N3944VCessna 170A
- Weather
- Visual (VMC) · Day
- Status
- Completed · report September 5, 1991
- Report
- Approved by Office Director
- FAA report
- 19900602018149A
- Case key
- 17835
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Improper planning/decision by the pilot, and his failure to maintain airspeed, which resulted in an inadvertent stall. Factors related to the accident were: the high density altitude and terrain conditions.
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
The plt depd fm Alaska svrl days before the acdnt & was en route to canton, Ohio. On the day of the acdnt, he took off from moab, Utah & was flwg interstate 70 (a major hwy). There were witnesses nr the eisenhower tunnel (evel 11,145 ft) at the Continental divide in Colorado. They saw an acft that matched the description of N3944V. They rprtd the acft was eastbound at low alt as it passed the west entrance, then it began climbing. Before reaching the divide, the acft turnedabruptly north & was last seen flying up a valley. Subsequently, it crashed on a snow field in a bowl area, surrounded on the west, north & east by peaks & ridges. Terrain around the acdnt site rose upward to 13,000 ft. there was evidence the acft had impacted in a steep nose down attitude. During impact, the leading edges of the wings were crushed & the empennage had broken about 4 ft aft of the wings & had folded aft & right. There was evidence the plt had survived the impact, but died from complications of hypothermia. His student plt/med cert had been issued on 4/24/86.
Aircraft
- Registration
- N3944V
- Reported as
- Cessna 170A
- Category
- Airplane
- Serial number
- 18263
- Engine
- Continental O-300, 165 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Registered owner
- Charles L. Guedel
- Airworthiness certificate
- Standard, Normal
- Departed
- CNY · Moab, UT
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 39
- Medical
- Class 2, Expired
- Seat
- Left
- Toxicology
- Performed
- Flight hours
- 315 total · 287 in this make and model · 259 as pilot in command · 28 in the last 90 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 200° at 20 knots
- Visibility
- 50 statute miles
- Lowest ceiling
- None
- Temperature
- 39 °F
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.
Other investigations on N3944V · 1
Matched to the same aircraft by N-number and date.