Aircraft Accident/Incident Report

Butte Des Mort, Wisconsin 54903
Wednesday, July 20, 1994 16:35 CDT

NTSB Narrative Summary Released at Completion of Accident

THE INSTRUCTOR SAID HE WAS HAVING THE STUDENT PRACTICE POWER OFF APPROACHES WHEN HE SIMULATED AN ENGINE FAILURE. THE STUDENT DID NOT PITCH THE AIRPLANE'S NOSE DOWN TO ATTAIN THE PROPER GLIDE SPEED ACCORDING TO THE INSTRUCTOR. THE INSTRUCTOR TOLD THE STUDENT TO PITCH THE NOSE DOWN TWICE BEFORE TAKING CONTROL OF THE AIRPLANE. AS HE TOOK CONTROL OF THE AIRPLANE, THE INSTRUCTOR SAID HE APPLIED FULL POWER. THE AIRPLANE'S LEFT WING COLLIDED WITH THE WATER AS THE POWER WAS BEING APPLIED. THE AIRCRAFT TURNED ABOUT 180 DEGREES BUT REMAINED UPRIGHT ON THE FLOATS WITH DAMAGE TO THE LEFT WING.

NTSB Probable Cause Narrative

A DELAYED REMEDIAL ACTION BY THE INSTRUCTOR. A FACTOR IN THIS ACCIDENT WAS A PROPER AIRSPEED NOT BEING ATTAINED BY THE DUAL STUDENT.

Event Information

Type of Event Accident
Event Date 7/20/1994
Event Day of the Week Wednesday
Time of Event 1635
Event Time Zone Central Daylight Time
Event City BUTTE DES MORT
Event State WISCONSIN
Event Country --
Zipcode of the event site 54903
Event Date Year 1994
Event Date Month 7
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1647 Central Daylight Time
Direction of event from weather observation facility (degrees) 160
Weather Observation Facility ID OSH
Elevation of weather observation facility 740
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 8000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) 17
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1087
NTSB Notification Source --
NTSB Notification Date Jul 21 1994 12:00AM
NTSB Notification Time 1415
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 6 2000 11:41AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9843Q
NTSB Number CHI94LA237
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-18-135
Aircraft Series Identifier PA-18-135
Aircraft Serial Number 18-3524
Certified Max Gross Weight 1760
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Mar 1 1994 12:00AM
Airframe hours since last inspection 83
Airframe Hours 2599
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name VICTOR AHLQUIST
Aircraft Owner Street Address 2059 GREENVILLE DR.
Aircraft Owner City APPLETON
Aircraft Owner State WI
Aircraft Owner Country
Aircraft Owner Zipcode 54911
Operator is an individual? --
Operator Name PRO-AIRE TRAINING
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 3282 W. BREEZEWOOD
Operator City NEENAH
Operator State WI
Operator Country
Operator Zip code 54956
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Instructional
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1550
Departure Time Zone CDT
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --