DEN86LA203

NTSB accident investigation · Rotec Panther II Plus · Sundance, WY · July 20, 1986

Accident · No injuriesLimited investigationFinal report
Date
July 20, 1986, 11:45 local (17:45 UTC)
Place
Sundance, WY
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
N990RERotec Panther II Plus
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19860720034289A
Case key
17017

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 control - in flightTakeoff - initial climb
Altitude - uncontrolledPilot in commandCause
In flight collision with terrain/waterDescent - uncontrolled
Terrain condition - open fieldFactor

Analysis

The plt said that on the first flight of N990RE, the vehicle revealed some undesirable flt control characteristics. He said that after landing he installed both doors and then attempted another take off. It was shortly after take off that the plt lost control of the vehicle and collided with the ground. The vehicle was substantially damaged however, the pilot was uninjured.

Aircraft

Registration
N990RE
Reported as
Rotec Panther II Plus (PANTHER II)
Category
Airplane, amateur-built
Serial number
69043
Airframe hours
1
Engine
Rotax 532, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Gaylord G. Lenz
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · July 20, 1986 · 1 hours before
Departed
Sundance, 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
Age
47
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,070 total · 1 in this make and model · 6 in the last 90 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
Calm
Visibility
15 statute miles
Lowest ceiling
None
Temperature
75 °F

FAA reports on this event · 1

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