Aircraft Accident/Incident Report

Palmyra, Wisconsin 53156
Saturday, August 4, 1984 11:27 CDT

NTSB Narrative Summary Released at Completion of Accident

WHILE ON A PERSONAL FLT THE ENG AND AIRFRAME BEGAN TO VIBRATE SEVERELY. THE PLT CLOSED THE THROTTLE AND TURNED EASTWARD TO LAND IN A MINT FIELD. AS HE APPROACHED THE FIELD HE APPLIED POWER TO CLEAR A ROW OF SMALL HOUSES, BUT DURING THIS MANEUVER STRUCK A UTILITY POLE WITH THE RT WING. THE PASSENGERS RELATED THAT THE POLE WAS ON THE FAR SIDE OF THE HOUSES AND NOT SEEN BY ANYONE ON BOARD UNTIL JUST BEFORE IMPACT. INVESTIGATION REVEALED THAT ABOUT 6 INCHES OF ONE PROPELLER TIP WAS MISSING. EXAMINATION OF THE PROPELLER REVEALED EXISTING NICKS AND ROUGH FILE WORK ON PREVIOUS NICKS. A FATIGUE FAILURE ORIGINATED FROM ONE OF THE NICKS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/4/1984
Event Day of the Week Saturday
Time of Event 1127
Event Time Zone Central Daylight Time
Event City PALMYRA
Event State WISCONSIN
Event Country --
Zipcode of the event site 53156
Event Date Year 1984
Event Date Month 8
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 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 5000
Lowest Non-Ceiling Height 5000
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 15
Air Temperature at event time (in degrees celsius) 27
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious 2
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 2585
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26525
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5086W
NTSB Number CHI84LA338
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-28-160
Aircraft Series Identifier PA-28-160
Aircraft Serial Number 28-95
Certified Max Gross Weight 2200
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 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Aug 4 1983 12:00AM
Airframe hours since last inspection 27
Airframe Hours 3067
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name GORDON MARTY & RICHARD SAUTER
Aircraft Owner Street Address ROUTE 1
Aircraft Owner City PALMYRA
Aircraft Owner State WI
Aircraft Owner Country
Aircraft Owner Zipcode 53156
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 88C
Departure City PALMYRA
Departure State WI
Departure Country
Departure Time 1124
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 Descent
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --