DEN89FA154

NTSB accident investigation · Cessna 310Q · Crestone, CO · June 29, 1989

Accident · FatalField investigationFinal report
Date
June 29, 1989, 00:00 local (06:00 UTC)
Place
Crestone, CO
Injuries
2 fatal
Damage
Destroyed
Phase of flight
Enroute
Aircraft
N7509QCessna 310Q
Weather
Visual (VMC) · Day
Status
Completed · report June 18, 1990
Report
Approved by Office Director
FAA report
19890629019419A
Case key
17595

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

Improper in-flight planning/decision by the pilot and his failure to attain sufficient altitude to safely clear the mountains. Contributing factors were: mountainous terrain, box canyon, and high density altitude.

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.

In flight collision with terrain/waterClimb
In-flight planning/decision - improperPilot in commandCause
Weather condition - high density altitudeFactor
Terrain condition - mountainous/hillyFactor
Terrain condition - blind/box canyonFactor
Proper altitude - not attainedPilot in commandCause

Analysis

The plt & pax were en route from California to Pennsylvania with refueling stops at pagosa spgs, CO & omaha, NE. At aprx 1030 MDT, the plt telephoned his daughter in omaha & said they would be arriving in early afternoon. The acft was rprtd overdue by relatives when it failed to arrive in omaha. The wreckage was located in a box canyon at an elevation of about 12,000 ft. the canyon terminated at mt eureka which had an elevation of 13,931 ft. the density altitude of the crash site was calculated to be 15,921 ft. a post crash exam of the acft & engs revealed evidence of normal operation. Weather in the area was rprtd to be clear with 50 mi visibility.

Aircraft

Registration
N7509Q
Reported as
Cessna 310Q
Category
Airplane
Serial number
310Q0009
Engine
Continental IO-470-V, 260 horsepower, reciprocating
Damage
Destroyed
Fire
On-Ground
Flight
Personal · Part 91
Registered owner
Stentorian, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
Annual · March 9, 1989
Departed
2V1 · Pagosa Springs, CO
Destination
OMA · Omaha, NE

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
43
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Toxicology
Performed
Flight hours
1,042 total · 322 in this make and model · 32 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Visibility
50 statute miles
Lowest ceiling
None
Temperature
95 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.