- Date
- August 13, 1987, 12:05 local (18:05 UTC)
- Place
- Bozeman, MT
- Injuries
- 1 fatal
- Damage
- Destroyed
- Phase of flight
- Maneuvering
- Aircraft
- N313YGreat Lakes 2T-1A
- Weather
- Visual (VMC) · Day
- Status
- Completed · report November 29, 1988
- Report
- Approved by Office Director
- FAA report
- 19870813079709A
- Case key
- 17123
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Sequence of events
NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.
Analysis
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.
Aircraft
- Registration
- N313Y
- Reported as
- Great Lakes 2T-1A
- Category
- Airplane
- Serial number
- 200
- Airframe hours
- 1,446
- Engine
- Warner R-500-7, 165 horsepower, reciprocating
- Damage
- Destroyed
- Flight
- Personal · Part 91
- Registered owner
- A. C. Newby
- Airworthiness certificate
- Standard, Normal; Standard, Utility; Standard, Aerobatic
- Last inspection
- Annual · July 10, 1987 · 2 hours before
- Departed
- BZN · Belgrade, MT
- Airport
- Edsall, runway 29, 2,600 × 80 ft, grass/turf
Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.
Flight crew
As NTSB recorded them. NTSB leaves out names.
- Role
- Pilot
- Age
- 74
- Certificate
- Commercial
- Airplane ratings
- Single-engine sea, Multi-engine land, Single-engine land
- Instrument ratings
- Airplane
- Medical
- Class 2, Valid Medical--w/ waivers/lim
- Seat
- Rear
- Toxicology
- Performed
- Flight hours
- 23,933 total · 500 in this make and model · 23,764 as pilot in command · 16 in the last 90 days · 6 in the last 30 days
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 10° at 7 knots
- Visibility
- 30 statute miles
- Lowest ceiling
- None
- Temperature
- 72 °F, dew point 37 °F
- Altimeter
- 29.00 inHg
- Observed at
- BZN, 7 nm away
FAA reports on this event · 1
The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.