- Date
- July 8, 1991, 13:09 local (19:09 UTC)
- Place
- Dayton, WY
- Injuries
- 1 minor, 1 uninjured
- Damage
- Substantial damage
- Phase of flight
- Maneuvering
- Aircraft
- N5826DPiper PA-22-150
- Weather
- Visual (VMC) · Day
- Status
- Completed · report May 27, 1993
- Report
- Approved by Office Director
- FAA report
- 19910708026589A
- Case key
- 41476
From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.
On this page
Probable cause
Severe down drafts. Factors to the accident were: terrain clearance was not maintained, and a poor weather evaluation, by the pilot.
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
While maneuvering in mountainous terrain, the airplane encountered severe down drafts. Unable to maintain altitude, the airplane collided with the terrain.
Aircraft
- Registration
- N5826D
- Reported as
- Piper PA-22-150
- Category
- Airplane
- Serial number
- 22-4501
- Engine
- Lycoming O-320-A2B, 150 horsepower, reciprocating
- Damage
- Substantial damage
- Flight
- Personal · Part 91
- Operator
- Larry L. Bradley
- Registered owner
- Larry L. Bradley
- Departed
- Dayton, WY
- Destination
- GEY · Greybull, WY
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
- 50
- Certificate
- Private
- Airplane ratings
- Single-engine land
- Medical
- Class 3, Valid Medical--no waivers/lim.
- Flight hours
- 265 total · 265 in this make and model · 234 as pilot in command · 25 in the last 90 days · 24 in the last 30 days · 4 in the last 24 hours
Weather
- Conditions
- Visual (VMC) · Day
- Wind
- 290° at 5 knots
- Visibility
- 60 statute miles
- Lowest ceiling
- None
- Temperature
- 79 °F, dew point 52 °F
- Altimeter
- 29.00 inHg
- Observed at
- SHR, 13 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.
Other investigations on N5826D · 1
Matched to the same aircraft by N-number and date.