CHI85FEP02

NTSB accident investigation · Neyman-Pietenpol GN-2 · Brodhead, WI · July 25, 1985

Accident · Serious injuriesFinal report
Date
July 25, 1985, 09:20 local (14:20 UTC)
Place
Brodhead, WI
Injuries
1 serious
Damage
Destroyed
Phase of flight
Maneuvering
Aircraft
N13708Neyman-Pietenpol GN-2
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19850725036389A
Case key
12886

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 control - in flightManeuvering
Maneuver - performedPilot in command
Airspeed - not maintainedPilot in commandCause
Stall/spin - inadvertentPilot in commandCause
Remedial action - initiatedPilot in command
In flight collision with objectDescent - uncontrolled
Object - tree(s)Factor

Analysis

The acft was observed making steep turns at about 500 ft AGL just prior to the acdnt. One witness stated that the airspeed was decaying during these turns & the acft stalled while in a steep bank. Reportedly, the acft began spinning, then the plt stopped the spin & was recovering in a wings level attitude when the plane collided with trees. The eng was at full power when the acft contacted the trees.

Aircraft

Registration
N13708
Reported as
Neyman-Pietenpol GN-2
Category
Airplane, amateur-built
Serial number
305
Airframe hours
250
Engine
Franklin 4AC-17G-BA-2, 65 horsepower, reciprocating
Damage
Destroyed
Flight
Personal · Part 91
Registered owner
Merle H. Neyman
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · September 30, 1984 · 40 hours before
Airport
C37 · Brodhead, runway 21, 1,520 × ft, grass/turf

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
64
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Rear
Flight hours
2,511 total · 250 in this make and model · 21 in the last 90 days · 15 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
9 statute miles
Lowest ceiling
None
Temperature
73 °F, dew point 63 °F
Altimeter
30.00 inHg
Observed at
JVL, 18 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.

Other investigations on N13708 · 1

Matched to the same aircraft by N-number and date.