Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Buffalo, Wyoming 82834
Wednesday, October 22, 1986 21:00 MDT
NTSB Narrative Summary Released at Completion of Accident
AT APRX 1720 MDT, TOWER PSNL AT THE DEP ARPT RECEIVED A PHONE CALL FROM THE PLT. HE SAID HE WISHED TO DEPART WITH AN INOP 2-WAY RADIO. HE WAS ADVISED THAT IMC PREVAILED & THAT A RADIO WOULD BE REQUIRED TO DEPART WITH AN IFR OR SPECIAL VFR CLNC. AT 1907 (AFTER OBTAINING A PORTABLE 2-WAY RADIO) THE NON-INSTRUMENT RATED PLT REQUESTED & RECEIVED CLNC FOR A SPECIAL VFR DEPARTURE. HE TOOK OFF WITH A PAX ABOARD, & AT 1917, RPRTD CLEAR OF THE CONTROL ZONE. SUBSEQUENTLY, THE ACFT CRASHED IN MTNS AT AN ELEV OF ABOUT 9500'. INITIAL IMPACT WAS WITH TREES ON RISING TERRAIN AS THE ACFT WAS IN WINGSLVL FLT. THE SURVIVING PAX RPRTD ICE ON THE WINGS & SAID THE ENG WAS RUNNING ROUGH. ALSO, HE SAID THEY WERE FLYING IN SNOW, & WHEN THE PLT PULLED THE CARB HEAT CTL, IT CAME OUT IN HIS HAND; THE CABLE WAS FND BROKEN NR THE BUTTERFLY VLV & ICE & SNOW WERE FND IN THE CARB AIR INTAKE OPENING. CHECKS OF THE PLT'S BLOOD & URINE SHOWED ALCOHOL LVLS OF 0.031% & 0.034%, RESPECTIVELY. COCAINE, METHYL ECGONINE & METHAMPHETAMINE WERE DETECTED IN HIS URINE, BUT NONE FND IN HIS BLOOD.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 10/22/1986 |
| Event Day of the Week | Wednesday |
| Time of Event | 2100 |
| Event Time Zone | Mountain Daylight Time |
| Event City | BUFFALO |
| Event State | WYOMING |
| Event Country | -- |
| Zipcode of the event site | 82834 |
| Event Date Year | 1986 |
| Event Date Month | 10 |
| 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 | 0 |
| Weather Briefing Completeness | Unknown |
| 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 | Heavy |
| 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 | 1 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | 1 |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2224 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Oct 23 1986 12:00AM |
| NTSB Notification Time | 1400 |
| Fiche Number and/or location -used to find docket information | 32843 |
| Date of most recent change to record | Feb 26 2001 8:06AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Instrument Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N74739 |
| NTSB Number | DEN87FA008 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | MOONEY |
| Aircraft Model | M20B |
| Aircraft Series Identifier | M20B |
| Aircraft Serial Number | 1739 |
| Certified Max Gross Weight | 2450 |
| 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 | Unknown |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | -- |
| Airframe Hours | 2192 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | Yes |
| ELT Type | -- |
| Aircraft Owner Name | T.J. STROPPEL |
| Aircraft Owner Street Address | 3920 VICTORY CIRCLE, #91 |
| Aircraft Owner City | BILLINGS |
| Aircraft Owner State | MT |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 59102 |
| Operator is an individual? | -- |
| Operator Name | TERRENCE J. SCHRAPPS |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 319 DANI ST. |
| Operator City | BILLINGS |
| Operator State | MT |
| Operator Country | |
| Operator Zip code | 59105 |
| 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 | GCC |
| Departure City | GILLETTE |
| Departure State | WY |
| Departure Country | |
| Departure Time | 1912 |
| Departure Time Zone | MDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | BIL |
| Destination City | BILLINGS |
| Destination State | MT |
| Destination Country | |
| Specific Phase of Flight | Descent |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Feb 26 2001 8:06AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 0 |
| Runway Length | 0 |
| Runway Width | 0 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |