MKC84LA190

NTSB accident investigation · Piper PA-25-235 · Atwood, KS · June 29, 1984

Accident · No injuriesLimited investigationFinal report
Date
June 29, 1984, 07:10 local (12:10 UTC)
Place
Atwood, KS
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N6797ZPiper PA-25-235
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19840629028429A
Case key
33723

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.

Loss of engine power(partial) - mech failure/malfManeuvering - aerial application
Engine assembly,valve,intake - jammedCause
Engine assembly,push rod - bentCause
Forced landingDescent - emergency
Nose overLanding - roll
Terrain condition - softFactor

Analysis

During a swath run, the eng began losing power. The plt pulled up & looked for a place to land, then dumped his chemical load. Eng RPM continued decreasing so he elected to land in a field that was being summer fallowed. During the landing, the acft nosed over. An exam of the eng revealed that the #4 exhaust valve had become frozen shut & the push rod had bent.

Aircraft

Registration
N6797Z
Reported as
Piper PA-25-235
Category
Airplane
Serial number
25-2444
Airframe hours
4,484
Engine
Lycoming O-540-B2B5, 235 horsepower, reciprocating
Damage
Substantial damage
Fire
On-Ground
Flight
Aerial application · Part 137
Registered owner
Anthony C. Schmid
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · January 10, 1984 · 141 hours before
Departed
ADT · Atwood, KS

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
29
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Center
Flight hours
1,298 total · 300 in this make and model · 1,153 as pilot in command · 148 in the last 90 days · 9 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
280° at 5 knots
Visibility
15 statute miles
Lowest ceiling
None
Temperature
55 °F, dew point 55 °F
Altimeter
30.00 inHg
Observed at
GLD, 25 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.