DEN85LA049

NTSB accident investigation · Piper PA-18 · Cody, WY · December 25, 1984

Accident · Serious injuriesLimited investigationFinal report
Date
December 25, 1984, 15:00 local (22:00 UTC)
Place
Cody, WY
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N1212APiper PA-18
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19841225068349A
Case key
16614

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.

In flight collision with terrain/waterManeuvering
Planning/decision - improperPilot in commandFactor
Overconfidence in personal abilityPilot in commandFactor
Low pass - performedPilot in commandFactor
Visual lookout - not maintainedPilot in commandCause
Diverted attentionPilot in commandFactor
Terrain condition - mountainous/hillyFactor
Clearance - not maintainedPilot in commandCause

Analysis

The student plt had the acft owner's (employer) permission to use the acft for solo practice toward obtaining his private plt certificate. Plt was ranch employee and knew one ranch manager would be looking for sheep, plt diverted from instructor's recommendation to practice take-offs and landings & flew to area of search. Using acft's on board loudspeaker. Plt flew over manager's vehicle broadcasting announcement. About 1/2 hour later, acft again flew over vehicle, plt made unintelligible broadcast and disappeared from view. Manager heard impact sounds. Acft had collided with ridge. Plt recalled being in a turn at impact.

Aircraft

Registration
N1212A
Reported as
Piper PA-18
Category
Airplane
Serial number
18-825
Airframe hours
2,485
Engine
Lycoming O-320-A2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
David Grabbert
Airworthiness certificate
Standard, Normal
Last inspection
Annual · May 10, 1984
Departed
GEY · Greybull, WY

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
Certificate
Student
Airplane ratings
Single-engine land
Medical
Class 3, Unknown
Seat
Front
Flight hours
63 total · 50 in this make and model · 37 as pilot in command · 39 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Lowest ceiling
None

FAA reports on this event · 1

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