Yampa Valley Airport
Aircraft Accident/Incident Report

Hayden, Colorado 81639
Wednesday, February 3, 1982 17:15 MST

NTSB Narrative Summary Released at Completion of Accident

THE AIRCRAFT WAS 20 FEET AGL DURING LANDING WHEN THE CREW HEARD A PROPELLER GO INTO BETA MODE AND THE AIRCRAFT YAWED TO THE RIGHT. THE PILOT LOST CONTROL OF THE AIRCRAFT AND IT COLLIDED WITH A SNOW BANK WHICH SEPARATED THE WINGS FROM THE FUSELAGE. IMPACT DAMAGE MADE IT IMPOSSIBLE TO TELL WHY THE PROPELLER WENT INTO BETA MODE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 2/3/1982
Event Day of the Week Wednesday
Time of Event 1715
Event Time Zone Mountain Standard Time
Event City HAYDEN
Event State COLORADO
Event Country --
Zipcode of the event site 81639
Event Date Year 1982
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport YAMPA VALLEY
Event Location Nearest Airport ID HDN
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Full
Investigator's weather source Unknown
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 Day
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) 1
Air Temperature at event time (in degrees celsius) 15
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 270
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Light
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 6
Injury Total None --
Injury Total Serious --
Injury Total All 6
Investigating Agency NTSB
NTSB Docket Number (internal use) 3254
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N149JA
NTSB Number DEN82DA029
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 MITSUBISHI
Aircraft Model MU2B-40
Aircraft Series Identifier MU2B-40
Aircraft Serial Number 4025A
Certified Max Gross Weight 9920
Aircraft Category Airplane
Aircraft Registration Class Unknown
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 9
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 1203
Airframe Hours 1203
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name JA BALDWIN MFG CO
Aircraft Owner Street Address PO BOX 610
Aircraft Owner City KEARNY
Aircraft Owner State NB
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name JA BALDWIN MFG CO
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address PO BOX 610
Operator City KEARNY
Operator State NB
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate Yes - certificate holder
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 Yes
Departure Point Same as Event No
Departure Airport Code
Departure City KEARNY
Departure State NB
Departure Country
Departure Time 1634
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code
Destination City HAYDEN
Destination State CO
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:49PM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 10
Runway Length 6999
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --