ATL85IA132

NTSB incident investigation · Piper PA-32R-300 · Marion, AL · April 12, 1985

Incident · No injuriesIncident investigationFinal report
Date
April 12, 1985, 06:40 local (12:40 UTC)
Place
Marion, AL
Injuries
1 uninjured
Damage
Minor damage
Phase of flight
Enroute
Aircraft
N46PCPiper PA-32R-300
Weather
Visual (VMC) · Night/dark
Status
Completed
Report
Approved by Office Director
FAA report
19850412035949I
Case key
6675

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

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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.

Airframe/component/system failure/malfunctionCruise - normal
Propeller system/accessories,pitch change mech - failure,total
Maintenance,100-hour inspection - inadequateCompany maintenance personnelCause
Propeller system/accessories,pitch change mech - fatigue
Maintenance,lubrication - not performedCompany maintenance personnelCause
Propeller system/accessories,blade - failure,partial
Propeller system/accessories,blade - vibration
Forced landingLanding
On ground/water encounter with terrain/waterLanding - flare/touchdown
Terrain condition - crop

Analysis

Cruising at 4000 ft MSL when engine vibration occurred and became severe. Reduced throtte but roughness persisted. Unable to mntn altitude with 2000 RPM and 25 inches map. Made forced ldg in corn field. Nose ldg gr collapsed. Engine checked out okay. One propeller pin broken due to fatigue. Opposite outer bearing race rusted and broken with fatigue fracture. Lubricant was dry and caked on bearings and bearing race. 34 hrs since 100-HR inspection. 1084 hours since prop overhaul.

Aircraft

Registration
N46PC
Reported as
Piper PA-32R-300
Category
Airplane
Serial number
32R7680202
Airframe hours
3,752
Engine
Lycoming IO-540-K1G5D, 300 horsepower, reciprocating
Damage
Minor damage
Flight
Part 135
Registered owner
Condor Aero Services, Inc.
Airworthiness certificate
Standard, Normal
Last inspection
100 hour · February 27, 1985 · 34 hours before
Departed
BHM · Birmingham, AL
Destination
BFM · Mobile, AL
Flight plan
IFR
Airport
A09 · Perry County, runway 16, 3,000 × 80 ft

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
24
Certificates
Commercial, Flight instructor
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Left
Flight hours
1,329 total · 65 in this make and model · 1,224 as pilot in command · 358 in the last 90 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Night/dark
Wind
60° at 4 knots
Visibility
8 statute miles
Lowest ceiling
8,000 ft broken
Temperature
57 °F, dew point -0 °F
Altimeter
30.00 inHg
Observed at
CKL, 24 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.