Aircraft Accident/Incident Report

Cayey
Sunday, September 3, 1989 17:30 AST

NTSB Narrative Summary Released at Completion of Accident

THE PVT PLT HAD A SINGLE ENG LAND RATING & WAS TRAINING AS A STUDENT FOR A HELICOPTER RATING. WHILE ON A LOCAL FLT AT ABOUT 300 FT AGL, HE NOTED A DECREASE IN ROTOR RPM. HE RPRTD THAT HE TRIED TO INCREASE THE RPM BY ADVANCING THE THROTTLE, BUT THERE WAS NO RESPONSE. SUBSEQUENTLY, THE PLT LANDED THE HELICOPTER IN TREES, WHEN HE WAS UNABLE TO REACH A CLEARING. NO REASON WAS FOUND FOR THE RPRTD LOSS OF POWER.

NTSB Probable Cause Narrative

LOSS OF ENGINE POWER FOR AN UNKNOWN REASON. A FACTOR RELATED TO THE ACCIDENT WAS: THE PRESENCE OF TREES IN THE EMERGENCY LANDING AREA.

Event Information

Type of Event Accident
Event Date 9/3/1989
Event Day of the Week Sunday
Time of Event 1730
Event Time Zone Atlantic Standard Time
Event City CAYEY
Event State PUERTO RICO
Event Country --
Zipcode of the event site 00633
Event Date Year 1989
Event Date Month 9
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 1800 Atlantic Standard Time
Direction of event from weather observation facility (degrees) 30
Weather Observation Facility ID SJU
Elevation of weather observation facility 21
Distance of event from weather observation facility (units?) 27
Time Zone of the weather observation AST
Lighting Conditions Day
Lowest Ceiling Height 25000
Lowest Non-Ceiling Height 1800
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) 12
Air Temperature at event time (in degrees celsius) 29
Dew Point at event time (in degress fahrenheit) 25
Wind Direction (degrees magnetic) 100
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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) 1163
NTSB Notification Source --
NTSB Notification Date Sep 4 1989 12:00AM
NTSB Notification Time 1000
Fiche Number and/or location -used to find docket information 39314
Date of most recent change to record Dec 13 2000 1:04PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N37870
NTSB Number MIA89LA240
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 47G-2
Aircraft Series Identifier 47G-2
Aircraft Serial Number 47-1965-3
Certified Max Gross Weight 2450
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 Jun 15 1989 12:00AM
Airframe hours since last inspection 25
Airframe Hours 1374
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name JUAN F MARTINEZ
Aircraft Owner Street Address P.O. BOX 747
Aircraft Owner City SAINT JUST
Aircraft Owner State PR
Aircraft Owner Country
Aircraft Owner Zipcode 00750
Operator is an individual? --
Operator Name MARTINEZ,JUAN
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address PO BOX 747
Operator City SAINT JUST
Operator State PR
Operator Country
Operator Zip code 00750
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
Departure City CAROLINA
Departure State PR
Departure Country
Departure Time 1645
Departure Time Zone AST
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 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --