E. 34Th St. Heliport Airport
Aircraft Accident/Incident Report

New York, New York
Saturday, September 22, 1984 16:28 EDT

NTSB Narrative Summary Released at Completion of Accident

DURING APPROACH TO HELIPORT, THE PLT HEARD TWO LOUD 'POPS' FROM THE ENGINE. THE PLT ACTIVATED THE EMERGENCY FLOATS AND CONTINUED THE APPROACH. THE PLT STATED THAT THE 'POPPING', RECOGNIZED AS A COMPRESSOR STALL STARTED AGAIN ON FINAL. HE LOWERED THE COLLECTIVE AND THE ACFT DESCENDED RAPIDLY WHICH TERMINATED WITH A HARD LANDING. THE TAIL BOOM BECAME DISCONNECTED FROM THE MAIN BODY AND THE ROTOR BLADE STRUCK THE VERTICAL FIN. THERE WAS NO INDICATION OF THE REASON FOR THE COMPRESSOR STALL.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/22/1984
Event Day of the Week Saturday
Time of Event 1628
Event Time Zone Eastern Daylight Time
Event City NEW YORK
Event State NEW YORK
Event Country --
Zipcode of the event site
Event Date Year 1984
Event Date Month 9
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport E. 34TH ST. HELIPORT
Event Location Nearest Airport ID 6N5
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 10
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1600 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID LGA
Elevation of weather observation facility 22
Distance of event from weather observation facility (units?) 5
Time Zone of the weather observation EDT
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) 23
Dew Point at event time (in degress fahrenheit) 11
Wind Direction (degrees magnetic) 190
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
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 9
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2745
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 26688
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N49533
NTSB Number NYC84LA320
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name AEROSPATIALE
Aircraft Model SA-360C
Aircraft Series Identifier SA-360C
Aircraft Serial Number 1027
Certified Max Gross Weight 5740
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 14
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Sep 20 1984 12:00AM
Airframe hours since last inspection 4
Airframe Hours 3892
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ISLAND HELICOPTER CORP.
Aircraft Owner Street Address NORTH AVENUE
Aircraft Owner City GARDEN CITY
Aircraft Owner State NY
Aircraft Owner Country
Aircraft Owner Zipcode 11530
Operator is an individual? --
Operator Name ISLAND HELICOPTER CORP.
Operator Same as Owner? No
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 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 Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code JFK
Departure City JAMAICA
Departure State NY
Departure Country
Departure Time 1620
Departure Time Zone EDT
Destination Same as Local Flt crash at destination city
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 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 304
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --