Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Glenrock, Wyoming 82637
Saturday, June 24, 1989 2:35 MDT
NTSB Narrative Summary Released at Completion of Accident
THE PLT DEPD JULESBURG, CO, BTN 1830 & 1900 MDT. HIS ORIGINAL DESTN WAS CASPER, WY, BUT DUE TO WX, HE FLEW TO BILLINGS, MT & LNDD AT ABT 2200 MDT. AT ABT 2347, HE TOOK OFF WITH ONE PAX ON A FLT TO BROOMFIELD, CO. BFR TAKEOFF, HE WAS ADZD THAT CLOUD BASES WERE AT 9000' MSL; HE REPLIED THEY WOULD NOT BE FLYING THAT HI. WHILE EN ROUTE, THE PAX NOTED THEY WEREAT 7300'; THE PLT EXPLAINED THAT WOULD BE ABT 2800' TO 3000' AGL. LATER, THE PAX NOTED THEY WERE AT 7500'; THE PLT SAID THAT WOULD BE ABT 2400' AGL IN THAT AREA. AT ABT 0200 MDT, THE PAX BCM SLEEPY & DOZED; WHEN SHE AWOKE, SHE BELIEVED THE PLT HAD DOZED ALSO. SHE NUDGED HIM & HE STRAIGHTENED UP, SLAPPED HIS FACE & SAID HE WAS FINE. LATER, THE PAX DOZED AGAIN& AWOKE WHEN THE ACFT IMPACTED THE TOP OF RISING TERRAIN (ELEVATION APRX 7000'). SOME 4 TO 5 HRS LTR, WHEN BOTH REGAINEDCONSCIOUSNESS, THE PAX ASKED THE PLT IF HE FELL ASLEEP. HIS RESPONSE INDCD TO HER THAT HE HAD. THE PLT DIED AT ABT 0900.WX DELAYED A SEARCH. THE ACFT WAS FND IN LATE AFTERNOON AFTER THE ELT SIGNAL WAS RCVD BY SATELLITES & OVERFLYING ACFT.
NTSB Probable Cause Narrative
PROPER ALTITUDE NOT MAINTAINED BY THE PILOT. THE WEATHER/NIGHT CONDITIONS AND PILOT FATIGUE WERE CONSIDERED TO BE CONTRIBUTING FACTORS.
Event Information
| Type of Event | Accident |
| Event Date | 6/24/1989 |
| Event Day of the Week | Saturday |
| Time of Event | 235 |
| Event Time Zone | Mountain Daylight Time |
| Event City | GLENROCK |
| Event State | WYOMING |
| Event Country | -- |
| Zipcode of the event site | 82637 |
| Event Date Year | 1989 |
| Event Date Month | 6 |
| 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 | Partial - limited by pilot |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 252 Mountain Daylight Time |
| Direction of event from weather observation facility (degrees) | 286 |
| Weather Observation Facility ID | CPR |
| Elevation of weather observation facility | 5348 |
| Distance of event from weather observation facility (units?) | 29 |
| Time Zone of the weather observation | MDT |
| Lighting Conditions | Night/Dark |
| Lowest Ceiling Height | 1400 |
| Lowest Non-Ceiling Height | 400 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | 8 |
| Dew Point at event time (in degress fahrenheit) | 8 |
| Wind Direction (degrees magnetic) | 100 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 8 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 5613 |
| Intensity of Precipitation | Light |
| 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) | 877 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Jun 24 1989 12:00AM |
| NTSB Notification Time | 1730 |
| Fiche Number and/or location -used to find docket information | 40389 |
| Date of most recent change to record | Dec 13 2000 12:45PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N1887D |
| NTSB Number | DEN89FA146 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | BEECH |
| Aircraft Model | 35 |
| Aircraft Series Identifier | 35 |
| Aircraft Serial Number | D-3159 |
| Certified Max Gross Weight | 2700 |
| 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 | Nov 1 1988 12:00AM |
| Airframe hours since last inspection | 166 |
| Airframe Hours | 4382 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | Yes |
| ELT Type | -- |
| Aircraft Owner Name | MENTER, WADE B |
| Aircraft Owner Street Address | 414 HIGHWAY 385 |
| Aircraft Owner City | JULESBURG |
| Aircraft Owner State | CO |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 80737 |
| Operator is an individual? | -- |
| Operator Name | MENTER, WADE B. |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 414 HIGHWAY 385 |
| Operator City | JULESBURG |
| Operator State | CO |
| Operator Country | |
| Operator Zip code | 80737 |
| 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) | Personal |
| Second Pilot on Board | No |
| Departure Point Same as Event | No |
| Departure Airport Code | BIL |
| Departure City | BILLINGS |
| Departure State | MT |
| Departure Country | |
| Departure Time | 2347 |
| Departure Time Zone | MDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | BJC |
| Destination City | BROOMFIELD |
| Destination State | CO |
| Destination Country | |
| Specific Phase of Flight | Cruise |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:35AM |
| 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 | -- |