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NTSB Report
March 5, 1992 · Mitsubishi MU-2B-60 · N303CA
New Castle, CO
Overview
Report Status
Probable Cause
Event Type
Accident
Date
March 5, 1992
Injury Outcomes
6 injuries (6 fatalities)
Location
New Castle, CO
Aircraft
Mitsubishi MU-2B-60
Tail Number
N303CA
Operator
Neece S R /Geesbreght J M
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
DEN92FA040
THE AIRPLANE IMPACTED MOUNTAINOUS TERRAIN APPROXIMATELY 10.5 DME FROM THE AIRPORT WHILE EXECUTING A LOC-DME INSTRUMENT APPROACH. THE AIRPLANE WAS CONFIGURED FOR LANDING. THE ELEVATOR TRIM JACKSCREW WAS APPROXIMATELY 18 DEGREES NOSE UP. THE ALTITUDE PRESELECT, COUPLED TO THE SPERRY AUTOPILOT SYSTEM, WAS SET AT 9,500 FEET. MINIMUM DESCENT ALTITUDE UNTIL REACHING THE FINAL APPROACH FIX IS 9,500 FEET. FINAL APPROACH FIX IS LOCATED AT 9.3 DME. TWENTY FOUR PRESCRIPTION AND NONPRESCRIPTION DRUGS WERE FOUND ABOARD THE AIRPLANE. THE PILOT'S TOXICOLOGY REPORT DISCLOSED 0.206 (UG/ML, UG/G) CHLORPHENIRAMINE, AN ANTIHISTAMINE, IN HIS LIVER FLUID. ACCORDING TO AN FAA FLIGHT SURGEON, THIS WOULD EQUATE TO APPROXIMATELY .034 UG/ML IN BLOOD. THERAPEUTIC DOSAGE IS .01 TO .04 UG/ML. THE DRUG IS CONTRAINDICATED FOR FLYING DUE TO ITS CAPABILITY OF PRODUCING DROWSINESS. CHLORPHENIRAMINE IS AN INGREDIENT FOUND IN COMTREX, ONE OF THE DRUGS FOUND ABOARD THE AIRPLANE.
NTSB Probable Cause
AN INADVERTENT STALL DURING AN INSTRUMENT APPROACH WITH THE AUTOPILOT ENGAGED. A FACTOR WAS: THE PILOT'S PHYSICAL IMPAIRMENT FROM A PRESCRIPTION DRUG.
Full Narrative
THE AIRPLANE IMPACTED MOUNTAINOUS TERRAIN APPROXIMATELY 10.5 DME FROM THE AIRPORT WHILE EXECUTING A LOC-DME INSTRUMENT APPROACH. THE AIRPLANE WAS CONFIGURED FOR LANDING. THE ELEVATOR TRIM JACKSCREW WAS APPROXIMATELY 18 DEGREES NOSE UP. THE ALTITUDE PRESELECT, COUPLED TO THE SPERRY AUTOPILOT SYSTEM, WAS SET AT 9,500 FEET. MINIMUM DESCENT ALTITUDE UNTIL REACHING THE FINAL APPROACH FIX IS 9,500 FEET. FINAL APPROACH FIX IS LOCATED AT 9.3 DME. TWENTY FOUR PRESCRIPTION AND NONPRESCRIPTION DRUGS WERE FOUND ABOARD THE AIRPLANE. THE PILOT'S TOXICOLOGY REPORT DISCLOSED 0.206 (UG/ML, UG/G) CHLORPHENIRAMINE, AN ANTIHISTAMINE, IN HIS LIVER FLUID. ACCORDING TO AN FAA FLIGHT SURGEON, THIS WOULD EQUATE TO APPROXIMATELY .034 UG/ML IN BLOOD. THERAPEUTIC DOSAGE IS .01 TO .04 UG/ML. THE DRUG IS CONTRAINDICATED FOR FLYING DUE TO ITS CAPABILITY OF PRODUCING DROWSINESS. CHLORPHENIRAMINE IS AN INGREDIENT FOUND IN COMTREX, ONE OF THE DRUGS FOUND ABOARD THE AIRPLANE.
Flight
Event TypeAccident
Event Time10:02 MST
Nearest AirportGarfield County Regional (11nm E)
Runway26
Runway Length7000 ft
Runway Width100 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftMitsubishi MU-2B-60
Tail NumberN303CA
Aircraft CategoryAir
DamageDestroyed
OperatorNeece S R /Geesbreght J M
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsGarrett · TPE331-10-511 · Turboprop · 778
People & Injuries
Injury Summary6 injuries (6 fatalities)
Fatal6
Serious0
Minor0
Uninjured0
Total6
Crew 1Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility8 sm
CeilingBroken clouds 1700 ft
Temperature / Dew Point39 C / 0 C
Altimeter29.00 inHg
Observation Time23:47
Weather SourceWFAC