Aircraft Accident/Incident Report

Westcliffe, Colorado 81252
Tuesady, May 25, 1993 21:45 MDT

NTSB Narrative Summary Released at Completion of Accident

THE INSTRUMENT RATED PILOT OBTAINED A WEATHER BRIEFING THAT INDICATED VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT DURANGO AND DENVER, AND WAS FORECAST ALONG HIS PROPOSED ROUTE OF FLIGHT. THE PILOT FILED AN IFR FLIGHT PLAN AND WAS CLEARED TO MAINTAIN VFR ON TOP. THE FLIGHT DEPARTED DURANGO AT 2045 AND PROCEEDED WITHOUT KNOWN DIFFICULTY UNTIL IT WAS OVER THE SANGRE DE CRISTO MOUNTAINS NEAR WESTCLIFFE, COLORADO. RADAR DATA SHOWED THE AIRPLANE IN A LEFT TURN AND DESCENDING OUT OF 16,400 FEET. THE WRECKAGE WAS LOCATED THE FOLLOWING MORNING AT THE 11,900 FOOT LEVEL. A SHERIFF'S DEPUTY REPORTED THAT ALTHOUGH VISUAL METEOROLOGICAL CONDITIONS PREVAILED AT WESTCLIFFE, THUNDERSTORMS WERE ACTIVE ALONG THE MOUNTAIN RANGE AT ABOUT THE TIME OF THE ACCIDENT.

NTSB Probable Cause Narrative

THE PILOT'S LOSS OF AIRCRAFT CONTROL AS HE ATTEMPTED TO TURN AWAY FROM A LINE OF THUNDERSTORMS. FACTORS WERE THUNDERSTORMS AND ASSOCIATED TURBULENCE.

Event Information

Type of Event Accident
Event Date 5/25/1993
Event Day of the Week Tuesday
Time of Event 2145
Event Time Zone Mountain Daylight Time
Event City WESTCLIFFE
Event State COLORADO
Event Country --
Zipcode of the event site 81252
Event Date Year 1993
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 653
NTSB Notification Source --
NTSB Notification Date May 26 1993 12:00AM
NTSB Notification Time 1000
Fiche Number and/or location -used to find docket information 50840
Date of most recent change to record Dec 11 2000 1:18PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5741Q
NTSB Number DEN93FA063
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name MOONEY
Aircraft Model M20E
Aircraft Series Identifier M20E
Aircraft Serial Number 729
Certified Max Gross Weight 2575
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 5 1993 12:00AM
Airframe hours since last inspection 23
Airframe Hours 5208
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SCAMMAN, JAMES P.
Aircraft Owner Street Address 141 MARION STREET
Aircraft Owner City DENVER
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode 80218
Operator is an individual? --
Operator Name SCAMMAN, JAMES P.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 141 MARION STREET
Operator City DENVER
Operator State CO
Operator Country
Operator Zip code 80218
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code DRO
Departure City DURANGO
Departure State CO
Departure Country
Departure Time 2046
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code DEN
Destination City DENVER
Destination State CO
Destination Country
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --