Individually Owned: 150,657
Corporate Owned: 137,281
Edsall Airport
Aircraft Accident/Incident Report
Bozeman, Montana 59715
Thursday, August 13, 1987 12:05 MDT
NTSB Narrative Summary Released at Completion of Accident
74-YEAR-OLD PLT WAS PERFORMING AEROBATICS AT SMALL ARPT FOR LOCAL TV NEWS STATION TO PROMOTE WEEKEND AIRSHOW. PLT MADE RIGHT & LEFT PASS, EACH PASS CONSISTING OF SHALLOW DESCENT, PULLUP FROM APRX 150 TO 200 FT AGL, & SLOW ROLL. PLT BEGAN THIRD PASS FROM STRAIGHT & LEVEL ATTITUDE & ROLLED ACFT INVERTED. AT 180 DEG POINT, ACFT YAWED 30 DEG LEFT OF RWY CENTERLINE. AS ACFT ROLLED PAST 270 DEG POINT, IT SIDE-SLIPPED, LOST ALT RAPIDLY, & COLLIDED WITH TELEPHONE POLE, GUY WIRE, & COMMERCIAL BUILDING. PLT EXPIRED APRX 31 HRS LATER. NO EVIDENCE OF PRE-IMPACT MECHANICAL FAILURE/MALFUNCTION OF ACFT, ENG, PROP, OR FLT CONTROLS FOUND. AUTOPSY & TOXICOLOGY RESULTS WERE NEGATIVE. WX WAS VFR. PLT HAD INNER EAR INFECTION IN LATE 1983. DOCTOR LATER DIAGNOSED IT AS 'BENIGN POSITIONAL PAROXYSMAL VERTIGO.' PLT WAS REPORTEDLY SYMPTOMATIC UP TO TIME OF ACCIDENT.
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 8/13/1987 |
| Event Day of the Week | Thursday |
| Time of Event | 1205 |
| Event Time Zone | Mountain Daylight Time |
| Event City | BOZEMAN |
| Event State | MONTANA |
| Event Country | -- |
| Zipcode of the event site | 59715 |
| Event Date Year | 1987 |
| Event Date Month | 8 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | EDSALL |
| Event Location Nearest Airport ID | |
| 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 | 4600 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1218 Mountain Daylight Time |
| Direction of event from weather observation facility (degrees) | 294 |
| Weather Observation Facility ID | BZN |
| Elevation of weather observation facility | 4474 |
| Distance of event from weather observation facility (units?) | 7 |
| Time Zone of the weather observation | MDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 6000 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 30 |
| Air Temperature at event time (in degrees celsius) | 22 |
| Dew Point at event time (in degress fahrenheit) | 3 |
| Wind Direction (degrees magnetic) | 10 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 7 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | 6389 |
| Intensity of Precipitation | Unknown |
| 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 | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1325 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Aug 13 1987 12:00AM |
| NTSB Notification Time | 1325 |
| Fiche Number and/or location -used to find docket information | 34682 |
| Date of most recent change to record | Dec 13 2000 2:42PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N313Y |
| NTSB Number | DEN87FA216 |
| 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 | GREAT LAKES |
| Aircraft Model | 2T-1A |
| Aircraft Series Identifier | 2T-1A |
| Aircraft Serial Number | 200 |
| Certified Max Gross Weight | 1618 |
| 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 | 2 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Jul 10 1987 12:00AM |
| Airframe hours since last inspection | 2 |
| Airframe Hours | 1446 |
| ELT Installed | No |
| ELT Activated | No |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | A. C. NEWBY |
| Aircraft Owner Street Address | P.O. BOX 107 |
| Aircraft Owner City | BLEGRADE |
| Aircraft Owner State | MT |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 59714 |
| 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 | BZN |
| Departure City | BELGRADE |
| Departure State | MT |
| Departure Country | |
| Departure Time | 1200 |
| Departure Time Zone | MDT |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | |
| Destination City | |
| Destination State | |
| Destination Country | |
| Specific Phase of Flight | Descent |
| 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 | 29 |
| Runway Length | 2600 |
| Runway Width | 80 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |