Individually Owned: 150,657
Corporate Owned: 137,281
Medicine Bow Airport
Aircraft Accident/Incident Report
Medicine Bow, Wyoming 82329
Sunday, March 28, 1999 15:15 MST
NTSB Narrative Summary Released at Completion of Accident
Upon reaching 23,000 feet msl, the pilot leaned the engine's turbine inlet temperature (TIT). About 5 to 10 minutes later, the TIT started rising. He requested and received a clearance to descend to 17,000 feet. The TIT continued to climb, and he requested another descent to 12,000 and reduced power. At that time, the 'engine started to run very rough, popping and spitting and not developing any power.' He requested assistance for vectors to the closest airport. After locating the airport, he observed a tractor positioned in the middle of the runway, and selected a field 1/4 mile east of the airport on which to land. The aircraft landed hard, damaging the right wing and landing gear. Several postaccident examinations of the engine were performed. Fuel was observed in the engine and the fuel tanks and was present in each of the fuel injector nozzles. The fuel boost pump was turned off and the engine surged. The engine driven fuel pump was bench and flow tested, and no discrepancies were observed. A replacement turbocharger was installed on the engine and test run, and the engine continued to run rough and surge. Nothing was found during the investigation to determine what caused the loss of engine power.
NTSB Probable Cause Narrative
A fluctuating turbine inlet temperature and resulting loss of engine power for undetermined reasons. Factors were the rough, unsuitable terrain on which to make a forced landing.
Event Information
| Type of Event | Accident |
| Event Date | 3/28/1999 |
| Event Day of the Week | Sunday |
| Time of Event | 1515 |
| Event Time Zone | Mountain Standard Time |
| Event City | MEDICINE BOW |
| Event State | WYOMING |
| Event Country | -- |
| Zipcode of the event site | 82329 |
| Event Date Year | 1999 |
| Event Date Month | 3 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | -- |
| Event Location Longitude | -- |
| Event Location Airport | MEDICINE BOW AIRPORT |
| Event Location Nearest Airport ID | 80V |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | 6646 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Pilot |
| 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 | 3000 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Overcast |
| 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) | -1 |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Variable |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 1 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 112 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Mar 29 1999 12:00AM |
| NTSB Notification Time | 830 |
| Fiche Number and/or location -used to find docket information | IMAGE |
| Date of most recent change to record | Apr 27 2001 4:05AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N12HW |
| NTSB Number | DEN99LA061 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | VFR |
| Flight plan Was Activated? | -- |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Mooney |
| Aircraft Model | M20K |
| Aircraft Series Identifier | M20K |
| Aircraft Serial Number | 25-0557 |
| Certified Max Gross Weight | 2740 |
| 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 | Jul 1 1998 12:00AM |
| Airframe hours since last inspection | -- |
| Airframe Hours | 2486 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | BLAZIE MARKETING SERVICE |
| Aircraft Owner Street Address | 105 E. JARRETTSVILLE RD. |
| Aircraft Owner City | FOREST HILL |
| Aircraft Owner State | MD |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 21050 |
| Operator is an individual? | -- |
| Operator Name | |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | |
| Operator City | |
| Operator State | |
| Operator Country | |
| Operator Zip code | |
| 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 | SLC |
| Departure City | SALT LAKE CITY |
| Departure State | UT |
| Departure Country | |
| Departure Time | 1315 |
| Departure Time Zone | MST |
| Destination Same as Local Flt | -- |
| Destination Airport Code | OMA |
| Destination City | OMAHA |
| Destination State | NE |
| Destination Country | |
| Specific Phase of Flight | -- |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Apr 27 2001 4:05AM |
| 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 | -- |