Browne Airport
Aircraft Accident/Incident Report

Zilwauker, Michigan
Thursday, September 9, 1982 13:00 EDT

NTSB Narrative Summary Released at Completion of Accident

DURING FLIGHT AT ABOUT 1500 FT AGL, THE AIRCRAFT ENGINE LOST POWER. THE PILOT MADE A STEEP APPROACH TO LAND IN A SMALL FIELD SURROUNDED BY POWER LINES. HE STATED THAT DURING AN EXTREME FLARE TO STOP THE FORWARD FLIGHT, THE MAIN ROTOR BLADES HIT THE GROUND AND THE ROTOR MAST FAILED. AN EXAMINATION OF THE ENGINE REVEALED THAT THE NO. 1 AND NO. 2 PISTONS WERE DAMAGED BY NEEDLE BEARINGS FROM THE NO. 2 WRIST PIN, MCCULLOCK PN GB138X.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/9/1982
Event Day of the Week Thursday
Time of Event 1300
Event Time Zone Eastern Daylight Time
Event City ZILWAUKER
Event State MICHIGAN
Event Country --
Zipcode of the event site
Event Date Year 1982
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude --
Event Location Longitude --
Event Location Airport BROWNE
Event Location Nearest Airport ID 11
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 Unknown
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 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 75
Dew Point at event time (in degress fahrenheit) 0
Wind Direction (degrees magnetic) 210
Variable Wind Indicator Unknown
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 0
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1918
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information
Date of most recent change to record Oct 31 2002 4:04PM
User who most recently changed record NTSB\ZUZL
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N9463A
NTSB Number CHI82DA349
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 BENSEN
Aircraft Model BM8
Aircraft Series Identifier BM8
Aircraft Serial Number 6776
Certified Max Gross Weight 700
Aircraft Category Gyrocraft
Aircraft Registration Class Unknown
Aircraft is a homebuilt? Yes
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 63
Airframe Hours 63
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name RALPH R. PORLAF
Aircraft Owner Street Address 129 GOETZ STREET
Aircraft Owner City SAGINAW
Aircraft Owner State MI
Aircraft Owner Country
Aircraft Owner Zipcode 48602
Operator is an individual? --
Operator Name RALPH R. PORLAF
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 129 GOETZ STREET
Operator City SAGINAW
Operator State MI
Operator Country
Operator Zip code 48602
Operator Code
Owner has at least one certificate Yes - certificate holder
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 Yes
Departure Airport Code 11
Departure City ZILWAUKER
Departure State MI
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code 11
Destination City ZILWAUKER
Destination State MI
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Sep 18 2002 4:50PM
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 --