DEN86LA250

NTSB accident investigation · Piper PA-18A-150 · Casper, WY · September 12, 1986

Accident · No injuriesLimited investigationFinal report
Date
September 12, 1986, 08:00 local (14:00 UTC)
Place
Casper, WY
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Enroute
Aircraft
N8595DPiper PA-18A-150
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860912045229A
Case key
17048

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.

In flight encounter with weatherCruise - normal
Weather condition - downdraftCause
Loss of control - in flightCruise - normal
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - rough/unevenCause
Terrain condition - none suitableCause

Analysis

While in normal cruise flt, after crossing a ridgeline, the plt encountered downdraft wind currents. The acft entered a descent from which the plt could not recover. He attempted to make an emergency forced landing in rough desert terrain. The acft impacted uneven terrain and was substantially damaged.

Aircraft

Registration
N8595D
Reported as
Piper PA-18A-150
Category
Airplane
Serial number
18-6257
Airframe hours
3,696
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Roy W. Haines
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 10, 1986 · 59 hours before
Departed
Casper, 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
37
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
83 total · 83 in this make and model · 44 as pilot in command · 30 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
340° at 9 knots
Visibility
50 statute miles
Lowest ceiling
None
Temperature
48 °F, dew point 37 °F
Altimeter
30.00 inHg
Observed at
CPR, 34 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.