| Type of Event | Accident |
| Event Date | 3/18/1987 |
| Event Day of the Week | Wednesday |
| Time of Event | 2140 |
| Event Time Zone | Mountain Standard Time |
| Event City | MISSOULA |
| Event State | MONTANA |
| Event Country | -- |
| Zipcode of the event site | 59802 |
| Event Date Year | 1987 |
| Event Date Month | 3 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | Yes |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | MISSOULA |
| Event Location Nearest Airport ID | MSO |
| 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 | 3201 |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 2148 Mountain Standard Time |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | MSO |
| Elevation of weather observation facility | 3201 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | MST |
| Lighting Conditions | Night/Dark |
| Lowest Ceiling Height | 1600 |
| Lowest Non-Ceiling Height | 1000 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Overcast |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 4 |
| Air Temperature at event time (in degrees celsius) | 0 |
| Dew Point at event time (in degress fahrenheit) | -1 |
| Wind Direction (degrees magnetic) | 320 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 3 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | Light |
| 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 | 10 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 275 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Mar 18 1987 12:00AM |
| NTSB Notification Time | 2210 |
| Fiche Number and/or location -used to find docket information | 33263 |
| Date of most recent change to record | Apr 7 2001 12:43PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | N3529W | N124AV |
| NTSB Number | DEN87LA067A | DEN87LA067B |
| Missing Aircraft Indicator | N | N |
| Federal Aviation Reg. Part | Part 135: Air Taxi & Commuter | Part 135: Air Taxi & Commuter |
| Type of Flight Plan filed | IFR | IFR |
| Flight plan Was Activated? | -- | -- |
| Damage | Minor | Substantial |
| Aircraft Fire | None | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | PIPER | SWEARINGEN |
| Aircraft Model | PA-31-350 | SA-226TC |
| Aircraft Series Identifier | PA-31-350 | SA-226TC |
| Aircraft Serial Number | 317952159 | TC364 |
| Certified Max Gross Weight | 7000 | 12500 |
| Aircraft Category | Airplane | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No | No |
| Flight Crew Seats | -- | -- |
| Cabin Crew Seats | -- | -- |
| Passenger Seats | -- | -- |
| Total number of seats on the aircraft | 2 | 22 |
| Number of Engines | 2 | 2 |
| Fixed gear or retractable gear | Retractable | Retractable |
| Aircraft, Type of Last Inspection | Annual | AAIP |
| Date of Last Inspection | Feb 17 1987 12:00AM | Mar 9 1987 12:00AM |
| Airframe hours since last inspection | 83 | 47 |
| Airframe Hours | 3166 | 11493 |
| ELT Installed | Yes | Yes |
| ELT Activated | No | No |
| ELT Aided Location of Event Site | No | No |
| ELT Type | -- | -- |
| Aircraft Owner Name | BIGHORN AIRWAYS | ITT INDUSTRIAL CREDIT COMPANY |
| Aircraft Owner Street Address | BOX 4037 | P.O. BOX 43777 |
| Aircraft Owner City | SHERIDAN | ST. PAUL |
| Aircraft Owner State | WY | MN |
| Aircraft Owner Country | ||
| Aircraft Owner Zipcode | 82801 | 55164 |
| Operator is an individual? | -- | -- |
| Operator Name | BIGHORN AIRWAYS, INC. | BIG SKY AIRLINES |
| Operator Same as Owner? | No | No |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | No | No |
| Operator Street Address | BOX 4037 | P. O. BOX 31397 |
| Operator City | SHERIDAN | BILLINGS |
| Operator State | WY | MT |
| Operator Country | ||
| Operator Zip code | 82801 | 59107 |
| Operator Code | ||
| Owner has at least one certificate | Yes - certificate holder | Yes - certificate holder |
| Other Operator of large aircraft? | No | No |
| Certified for Part 133 or 137 Operation | Unknown | Unknown |
| Operator Certificate Number | -- | -- |
| Indicates whether an air carrier operation was scheduled or not | Non-scheduled | Scheduled |
| Indicates Domestic or International Flight | Domestic | Domestic |
| Operator carrying Pax/Cargo/Mail | Cargo | Passenger Only |
| Type of Flying (Per_Bus / Primary) | Unknown | Unknown |
| Second Pilot on Board | No | Yes |
| Departure Point Same as Event | No | No |
| Departure Airport Code | MSO | MSO |
| Departure City | MISSOULA | MISSOULA |
| Departure State | MT | MT |
| Departure Country | ||
| Departure Time | 0 | 0 |
| Departure Time Zone | ||
| Destination Same as Local Flt | -- | -- |
| Destination Airport Code | HLN | GTF |
| Destination City | HELENA | GREAT FALLS |
| Destination State | MT | MT |
| Destination Country | ||
| Specific Phase of Flight | Taxi | Standing |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Jan 2 2001 10:35AM | Jan 2 2001 10:30AM |
| User who most recently changed record | dbo | dbo |
| Since inspection or accident | -- | -- |
| Event Location Runway Number and Location | 0 | 0 |
| Runway Length | -- | -- |
| Runway Width | -- | -- |
| Sight Seeing flight | No | No |
| Air Medical Flight | No | No |
| Medical Flight | -- | -- |