DEN83LA199

NTSB accident investigation · Piper PA-25B-235 · Montrose, SD · August 26, 1983

Accident · Serious injuriesLimited investigationFinal report
Date
August 26, 1983, 08:30 local (13:30 UTC)
Place
Montrose, SD
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N4473YPiper PA-25B-235
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19830826044369A
Case key
16145

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 collision with objectManeuvering - aerial application
Weather condition - whiteoutFactor
Visual lookout - inadequatePilot in commandCause
In-flight planning/decision - poorPilot in commandCause
Clearance - not maintainedPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - groundFactor

Analysis

The pilot stated that he was spraying a field that was divided in half by a 60 foot high powerline. As he made a turn to enter the south side of the field, parallel to the powerlines, flying east into the sun, he struck the unseen guy cables out in the field. He struck the cables with the left wing tip which threw the plane into an uncontrollable roll to the left. The acft struck the ground with its nose and left side.

Aircraft

Registration
N4473Y
Reported as
Piper PA-25B-235
Category
Airplane
Serial number
254130
Airframe hours
4,000
Engine
Lycoming O-540-B2C5, 235 horsepower, reciprocating
Damage
Destroyed
Flight
Aerial application · Part 137
Registered owner
Gregory A. Kohlhof
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Unknown · March 14, 1983
Departed
MDS · Madison, SD

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
26
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
763 total · 432 in this make and model · 662 as pilot in command · 120 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
10 statute miles
Lowest ceiling
None
Temperature
75 °F, dew point 72 °F
Altimeter
30.00 inHg
Observed at
FSD, 21 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.