Aircraft Accident/Incident Report

Dowagiac, Michigan 49047
Friday, August 5, 1988 19:14 EDT

NTSB Narrative Summary Released at Completion of Accident

THE PRIVATE PILOT WITH AN AIRPLANE SINGLE ENGINE LAND RATING WAS REPORTED TO BE ON HIS FIRST SELF-FAMILIARIZATION FLIGHT IN THIS MAKE & MODEL OF HELICOPTER. HE REPORTED THAT AFTER TAKING OFF, HE FLEW ABOUT 1/2 MILE & STARTED A TURN, THEN THE ENGINE BEGAN LOSING POWER. SUBSEQUENTLY, THE HELICOPTER SETTLED INTO TREES AND WAS DAMAGED. THERE WERE INDICATIONS THAT THE ENGINE WAS STILL PROVIDING POWER AS THE MAIN ROTOR BLADES CONTACTED SMALL TREES DURING THE LANDING. AN INVESTIGATION REVEALED THE LAST ANNUAL INSPECTION WAS DATED 8/22/85. RAT NEST MATERIAL WAS FOUND IN THE AIR FILTER IN SUFFICIENT QUANTITY TO ALMOST COMPLETELY BLOCK THE FLOW OF AIR. ALSO, THE PILOT'S LAST MEDICAL CERTIFICATE WAS DATED 1/2/86. AUTO FUEL WAS FOUND IN THE FUEL TANKS & CARBURETOR.

NTSB Probable Cause Narrative

FAILURE TO MAINTIAN ADEQUATE ROTOR RPM BY THE UNQUALIFIED PILOT.

Event Information

Type of Event Accident
Event Date 8/5/1988
Event Day of the Week Friday
Time of Event 1914
Event Time Zone Eastern Daylight Time
Event City DOWAGIAC
Event State MICHIGAN
Event Country --
Zipcode of the event site 49047
Event Date Year 1988
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1845 Eastern Standard Time
Direction of event from weather observation facility (degrees) 165
Weather Observation Facility ID SBN
Elevation of weather observation facility 778
Distance of event from weather observation facility (units?) 18
Time Zone of the weather observation EST
Lighting Conditions Day
Lowest Ceiling Height 10000
Lowest Non-Ceiling Height 2000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 4
Air Temperature at event time (in degrees celsius) 26
Dew Point at event time (in degress fahrenheit) 23
Wind Direction (degrees magnetic) 240
Variable Wind Indicator Unknown
Wind Speed (knots) 4
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 2100
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 FAA
NTSB Docket Number (internal use) 2299
NTSB Notification Source --
NTSB Notification Date Aug 5 1988 12:00AM
NTSB Notification Time 1830
Fiche Number and/or location -used to find docket information 40181
Date of most recent change to record Dec 13 2000 12:02PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2838B
NTSB Number CHI88DET05
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 BELL
Aircraft Model 47J
Aircraft Series Identifier 47J
Aircraft Serial Number 1434
Certified Max Gross Weight 2850
Aircraft Category Helicopter
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 22 1985 12:00AM
Airframe hours since last inspection --
Airframe Hours 11760
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name ALLEN CONSTRUCTION INC
Aircraft Owner Street Address 512 GREEN ST
Aircraft Owner City DOWAGIAC
Aircraft Owner State MI
Aircraft Owner Country
Aircraft Owner Zipcode 49047
Operator is an individual? --
Operator Name CHESTER RUMINER
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 54092 M-51 NORTH
Operator City DOWAGIAC
Operator State MI
Operator Country
Operator Zip code 49047
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 Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
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 Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
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 --