MKC85LA125

NTSB accident investigation · Snow AT301 · Marianna, AR · June 8, 1985

Accident · No injuriesLimited investigationFinal report
Date
June 8, 1985, 18:00 local (23:00 UTC)
Place
Marianna, AR
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N5078SSnow AT301
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850608026159A
Case key
33959

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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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 powerManeuvering - aerial application
Engine assembly,connecting rod - failure,totalCause
Nose overLanding - flare/touchdown
Terrain condition - soft

Analysis

After departing the ag strip the plt rptd a vibrating engine which shook violently until finally quitting. The plt responded with an emergency landing attempt to a plowed bean field. The acft impacted the soft terrain at a high rate of speed where the acft flipped over inverted. Theacft commenced to burn after impact, which totally consumed the acft structure. Inspection of the acft engine found a broken number one cylinder connection rod.

Aircraft

Registration
N5078S
Reported as
Snow AT301
Category
Airplane
Serial number
AT301-0115
Airframe hours
2,000
Engine
P&W R-1340 AN1, 600 horsepower, reciprocating
Damage
Substantial damage
Fire
On-Ground
Flight
Aerial application · Part 91
Registered owner
Jackie Frost
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Annual · February 27, 1985
Departed
6M7 · Marianna, AR

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
30
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
1,794 total · 878 in this make and model · 1,738 as pilot in command · 117 in the last 90 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
110° at 7 knots
Visibility
6 statute miles
Lowest ceiling
None
Temperature
86 °F, dew point 68 °F
Altimeter
29.00 inHg
Observed at
MEM, 45 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.