DEN85LA050

NTSB accident investigation · Piper PA-18 · Poplar, MT · December 25, 1984

Accident · Minor injuriesLimited investigationFinal report
Date
December 25, 1984, 13:30 local (20:30 UTC)
Place
Poplar, MT
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N3180ZPiper PA-18
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19841225068109A
Case key
16615

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
In-flight planning/decision - improperPilot in commandCause
Carburetor heat - not usedPilot in commandCause
In flight collision with terrain/waterDescent - emergency
Terrain condition - mountainous/hilly

Analysis

According to the plt he was flying the acft 'low and slow' to look for deer when the accident occurred. He stated that he pulled the power back to glide down and observe wildlife and when he reapplied power there was severe hesitation and the eng did not pick up RPM. He pushed the nose down to gain airspeed and hit a hilltop with the landing gear. The plt described the terrain as hilly and reported the winds to be at 18 KTS gusting to 26 KTS. The temp was reported as -10 deg f. carburetor heat was not used during the glide.

Aircraft

Registration
N3180Z
Reported as
Piper PA-18
Category
Airplane
Serial number
18-7171
Airframe hours
3,647
Engine
Lycoming O-320, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
David Vosen
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 18, 1984

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
Front
Flight hours
1,300 total · 1,000 in this make and model · 1,300 as pilot in command · 150 in the last 90 days · 6 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
90° at 18 knots, gusting 26
Visibility
20 statute miles
Lowest ceiling
5,000 ft overcast
Temperature
-9 °F

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.