Aircraft Accident/Incident Report

Fayetteville, Arkansas 72701
Thursday, May 7, 1987 13:30 CDT

NTSB Narrative Summary Released at Completion of Accident

THE PIC WAS DEMONSTRATING THE HELO TO A PROSPECTIVE CUSTOMER. THE PIC WAS HOVERING IN A REMOTE AREA WITH ROUGH AND UNEVEN TERRAIN. THE PIC RPTD OUTSIDE AIR TEMPS OF ABT 90 DEGREES DURING THE DEMO FLT. THE PIC STATED THAT HE WAS MOVING AROUND OVER THE GRND IN A 3 TO 5 FT HOVER. THE PIC STATED THAT NO WIND WAS BLOWING AND HE WAS MOVING TO GET FRESH AIR THROUGH THE ROTORS. THE PIC THEN NOTICED THAT ENG RPM WAS DECREASING AND INCREASED THROTTLE TO COMPENSATE. THE PIC STATED THAT RPM CONTINUED TO DECREASE AND THE HELO BEGIN TO DESCEND DESPITE FULL THROTTLE. THE PIC STATED THAT HE HAD TO MANEUVER THE HELO BACK TO THE SPOT HE HAD INITALLY APPROACHED TO AVOID LANDING ON ROUGH AND UNEVEN TERRAIN. THE PIC STATED THAT THIS POSED A PBLM TO IMMEDIATE TOUCHDOWN AS HE MOVED THE HELO TO THE SMOOTH LNDG AREA. THE HELO SUBSEQUENTLY HARD LANDED SHORT OF THE LNDG AREA SUSTAINING SUBSTANTIAL DAMAGE. NO MECH MALF WAS DISCOVERED DURING INSP.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/7/1987
Event Day of the Week Thursday
Time of Event 1330
Event Time Zone Central Daylight Time
Event City FAYETTEVILLE
Event State ARKANSAS
Event Country --
Zipcode of the event site 72701
Event Date Year 1987
Event Date Month 5
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 Pilot
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 None
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) 32
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) 3800
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) 874
NTSB Notification Source --
NTSB Notification Date May 7 1987 12:00AM
NTSB Notification Time 1510
Fiche Number and/or location -used to find docket information 34171
Date of most recent change to record Dec 13 2000 2:24PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N13CM
NTSB Number MKC87LA102
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 ENSTROM
Aircraft Model F-28A
Aircraft Series Identifier F-28A
Aircraft Serial Number 090
Certified Max Gross Weight 2150
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Dec 12 1986 12:00AM
Airframe hours since last inspection 59
Airframe Hours 1394
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name AERO TECH SERVICES
Aircraft Owner Street Address DRAKE FIELD
Aircraft Owner City FAYETTEVILLE
Aircraft Owner State AR
Aircraft Owner Country
Aircraft Owner Zipcode 72701
Operator is an individual? --
Operator Name AEROTEK
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address
Operator City FAYETTEVILLE
Operator State AR
Operator Country
Operator Zip code 72701
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) Other Work Use
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code FYV
Departure City FAYETTEVILLE
Departure State AR
Departure Country
Departure Time 1300
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Hover
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 --