National Transportation Safety Board
Aviation Accident Final Report

 

 

Location:

CRESTONE, CO

Accident Number:

DEN89FA154

Date & Time:

06/29/1989, 0000 MDT

Registration:

N7509Q

Aircraft:

CESSNA 310Q

Aircraft Damage:

Destroyed

Defining Event:

 

Injuries:

2 Fatal

Flight Conducted Under:

Part 91: General Aviation - Personal

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.

Probable Cause and Findings

The National Transportation Safety Board determines the probable cause(s) of this accident to be:
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.

Findings

 

Occurrence #1: IN FLIGHT COLLISION WITH TERRAIN/WATER
Phase of Operation: CLIMB

Findings
1. (C) IN-FLIGHT PLANNING/DECISION - IMPROPER - PILOT IN COMMAND
2. (F) WEATHER CONDITION - HIGH DENSITY ALTITUDE
3. (F) TERRAIN CONDITION - MOUNTAINOUS/HILLY
4. (F) TERRAIN CONDITION - BLIND/BOX CANYON
5. (C) PROPER ALTITUDE - NOT ATTAINED - PILOT IN COMMAND

 

Factual Information

 

 

 

 

Pilot Information

Certificate:

Commercial

Age:

43, Male

Airplane Rating(s):

Multi-engine Land; Single-engine Land

Seat Occupied:

Left

Other Aircraft Rating(s):

None

Restraint Used:

Seatbelt

Instrument Rating(s):

Airplane

Second Pilot Present:

No

Instructor Rating(s):

None

Toxicology Performed:

Yes

Medical Certification:

Class 2 Valid Medical--no waivers/lim.

Last FAA Medical Exam:

07/13/1987

Occupational Pilot:

 

Last Flight Review or Equivalent:

 

Flight Time:

1042 hours (Total, all aircraft), 322 hours (Total, this make and model), 32 hours (Last 90 days, all aircraft)

 

 

Aircraft and Owner/Operator Information

Aircraft Make:

CESSNA

Registration:

N7509Q

Model/Series:

310Q 310Q

Aircraft Category:

Airplane

Year of Manufacture:

 

Amateur Built:

No

Airworthiness Certificate:

Normal

Serial Number:

310Q0009

Landing Gear Type:

Retractable - Tricycle

Seats:

6

Date/Type of Last Inspection:

03/09/1989, Annual

Certified Max Gross Wt.:

5300 lbs

Time Since Last Inspection:

 

Engines:

2 Reciprocating

Airframe Total Time:

 

Engine Manufacturer:

CONTINENTAL

ELT:

Installed, activated, did not aid in locating accident

Engine Model/Series:

IO-470-V

Registered Owner:

STENTORIAN, INC.

Rated Power:

260 hp

Operator:

STENTORIAN, INC.

Operating Certificate(s) Held:

None

 

Meteorological Information and Flight Plan

Conditions at Accident Site:

Visual Conditions

Condition of Light:

Day

Observation Facility, Elevation:

, 0 ft msl

Distance from Accident Site:

0 Nautical Miles

Observation Time:

0000

Direction from Accident Site:

Lowest Cloud Condition:

Clear / 0 ft agl

Visibility

50 Miles

Lowest Ceiling:

None / 0 ft agl

Visibility (RVR):

0 ft

Wind Speed/Gusts:

/

Turbulence Type Forecast/Actual:

/

Wind Direction:

 

Turbulence Severity Forecast/Actual:

/

Altimeter Setting:

 

Temperature/Dew Point:

35°C

Precipitation and Obscuration:

 

Departure Point:

PAGOSA SPRINGS, CO (2V1)

Type of Flight Plan Filed:

None

Destination:

OMAHA, NE (OMA)

Type of Clearance:

None

Departure Time:

0000

Type of Airspace:

Class G

 

 

Wreckage and Impact Information

Crew Injuries:

1 Fatal

Aircraft Damage:

Destroyed

Passenger Injuries:

1 Fatal

Aircraft Fire:

On-Ground

Ground Injuries:

N/A

Aircraft Explosion:

None

Total Injuries:

2 Fatal

Latitude, Longitude:

 

 


 


Administrative Information

Investigator In Charge (IIC):

GREGORY    A FEITH

Report Date:

06/18/1990

Additional Participating Persons:

RICHARD   ROWLAND; DENVER, CO

Publish Date:

 

Investigation Docket:

NTSB accident and incident dockets serve as permanent archival information for the NTSB’s investigations. Dockets released prior to June 1, 2009 are publicly available from the NTSB’s Record Management Division at pubinq@ntsb.gov, or at 800-877-6799. Dockets released after this date are available at http://dms.ntsb.gov/pubdms/.