Aircraft Accident/Incident Report

Gerald, Missouri 63037
Tuesady, April 28, 1987 13:30 CDT

NTSB Narrative Summary Released at Completion of Accident

THE STU PIC WAS SOLO ON A X-COUNTRY FLT WHEN THE ENG BACKFIRED. THE STU ENTERED AUTOROTATION WITH LOW ROTOR RPM WHICH ACCELERATED THE DESCENT RATE. THE STU FLARED BEFORE TOUCHDOWN BUT DID NOT LEVEL THE HELO IN TIME TO LAND. THE TAILBOOM STRUCK THE GND AND THE HELO ROTATED ON ITS SIDE. THE STU STATED THAT THE LNDG SITE HE HAD CHOSEN CONSISTED OF SLOPING TERRAIN. THE STU STATED THAT HE FLARED AND THE TAILBOOM STRUCK THE UPSLOPING TERRAIN. THE STU STATED THAT HAD HE LEVELED OFF AT THE APPROPRIATE TIME HE PROBABLY WOULD HAVE BEEN SUCCESSFUL. THE ENG INSP REVEALED THAT THE ENG TIMING BELT HAD SLIPPED, EFFECTIVELY DISABLING THE ENG.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/28/1987
Event Day of the Week Tuesday
Time of Event 1330
Event Time Zone Central Daylight Time
Event City GERALD
Event State MISSOURI
Event Country --
Zipcode of the event site 63037
Event Date Year 1987
Event Date Month 4
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 Weather Observation Facility
Time of the weather observation 1250 Central Daylight Time
Direction of event from weather observation facility (degrees) 66
Weather Observation Facility ID STL
Elevation of weather observation facility 461
Distance of event from weather observation facility (units?) 51
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 21
Dew Point at event time (in degress fahrenheit) 2
Wind Direction (degrees magnetic) 250
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 20
Altimeter Setting at event time (in. Hg) 30
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 792
NTSB Notification Source --
NTSB Notification Date Apr 29 1987 12:00AM
NTSB Notification Time 1400
Fiche Number and/or location -used to find docket information 33981
Date of most recent change to record Dec 13 2000 2:19PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4891H
NTSB Number MKC87LA096
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 ROTORWAY
Aircraft Model EXECUTIVE
Aircraft Series Identifier EXECUTIVE
Aircraft Serial Number 3078
Certified Max Gross Weight --
Aircraft Category Helicopter
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 106
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HARVEY J. JACQUIN
Aircraft Owner Street Address RR 2 BOX 120
Aircraft Owner City WASHINGTON
Aircraft Owner State MO
Aircraft Owner Country
Aircraft Owner Zipcode 63090
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code
Departure City WASHINGTON
Departure State MO
Departure Country
Departure Time 1400
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code
Destination City BLAND
Destination State MO
Destination Country
Specific Phase of Flight Descent
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --