CHI90DEP02

NTSB accident investigation · Rotec Panther 2+ · Holmen, WI · December 1, 1989

Accident · Serious injuriesFinal report
Date
December 1, 1989, 11:00 local (17:00 UTC)
Place
Holmen, WI
Injuries
1 serious
Damage
Substantial damage
Phase of flight
Initial climb
Aircraft
UNREGRotec Panther 2+
Weather
Visual (VMC) · Day
Status
Completed · report September 30, 1991
Report
Approved by Office Director
Case key
14475

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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Probable cause

Inadvertent partial deployment of the emergency ballistic recovery parachute resulting in a loss of engine thrust and aerodynamic control of the aircraft.

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/malfunctionTakeoff - initial climb
Misc eqpt/furnishings,parachute/drag chute - deployed inadvertentlyCause
Loss of engine power(total) - mech failure/malfTakeoff - initial climb
Propeller system/accessories,blade - entangledCause
Loss of control - in flightTakeoff - initial climb
Flight control system - movement restrictedCause
Aircraft control - not possiblePilot in commandCause

Aircraft

Registration
UNREG
Reported as
Rotec Panther 2+
Category
Airplane, amateur-built
Engine
Rotax 522, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Tryggestad, Michael
Destination
MY50 · Frontenac, MN
Airport
09WI · Packway Farm

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
36
Seat
Front
Flight hours
72 total

Weather

Conditions
Visual (VMC) · Day
Wind
170° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
37 °F, dew point 28 °F
Altimeter
30.00 inHg
Observed at
LSE, 9 nm away