Individually Owned: 150,657
Corporate Owned: 137,281
East 34Th St. Heli. Airport
Aircraft Accident/Incident Report
New York, New York 10016
Sunday, August 14, 1983 18:42 EDT
NTSB Narrative Summary Released at Completion of Accident
WHILE ON FINAL APCH TO A HELIPORT, THE HELICOPTER WAS AT APRX 70 KTS & 100 FT AGL WHEN THE PLT APPLIED POWER TO BEGIN DECELERATING. AS COLLECTIVE PITCH WAS APPLIED, HE HEARD A SERIES OF BANGING NOISES WHICH HE DESCRIBED AS SIMILAR TO COMPRESS STALLS. SIMULTANEOUSLY, HE NOTED A DECAY OF THE ENG POWER. THE PLT CHANGED HIS COURSE TO MINIMIZE THE DISTANCE TO THE LANDING AREA & RAISED THE NOSE TO FURTHER DECELERATE FOR A VERTICAL DESCENT. HOWEVER, DURING TOUCHDOWN, THE TAILWHEEL STRUT FAIRING HIT A BARRIER AT THE EDGE OF THE HELIPORT, SEPARATING THE VERTICAL STABILIZER & FENESTRON. THE SEPARATED COMPONENT TRAVELED UPWARD & STRUCK THE MAIN ROTOR BLADES. REPORTEDLY, THE LOW RPM WARNING HORN SOUNDED JUST BEFORE THE COMPRESSOR STALL. CORRECTIVE ACTION FOR A LOW RPM WARNING HORN IN THIS SITUATION SHOULD HAVE BEEN TO REDUCE THE POWER DEMAND BY LOWERING THE COLLECTIVE AND/OR REDUCING RIGHT PEDAL APPLICATION. AN ENG CHECK REVEALED IT WAS CAPABLE OF EXCEEDING THE MAX REQUIRED TORQUE, BUT IT HAD SLIGHT FOULING OF THE FUEL INJECTOR WHEEL & COMPRESSOR AIR FLOW
NTSB Probable Cause Narrative
Not Yet Reported
Event Information
| Type of Event | Accident |
| Event Date | 8/14/1983 |
| Event Day of the Week | Sunday |
| Time of Event | 1842 |
| Event Time Zone | Eastern Daylight Time |
| Event City | NEW YORK |
| Event State | NEW YORK |
| Event Country | -- |
| Zipcode of the event site | 10016 |
| Event Date Year | 1983 |
| Event Date Month | 8 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | EAST 34TH ST. HELI. |
| 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 | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1852 Eastern Daylight Time |
| Direction of event from weather observation facility (degrees) | 45 |
| Weather Observation Facility ID | LGA |
| Elevation of weather observation facility | 22 |
| Distance of event from weather observation facility (units?) | 4 |
| Time Zone of the weather observation | EDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 4000 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 20 |
| Air Temperature at event time (in degrees celsius) | 22 |
| Dew Point at event time (in degress fahrenheit) | 13 |
| Wind Direction (degrees magnetic) | 160 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 10 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 200 |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | Minor |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | 4 |
| Injury Total None | 2 |
| Injury Total Serious | -- |
| Injury Total All | 4 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 2029 |
| NTSB Notification Source | -- |
| NTSB Notification Date | -- |
| NTSB Notification Time | 0 |
| Fiche Number and/or location -used to find docket information | 22381 |
| 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 | N8479U |
| NTSB Number | NYC83FA210 |
| 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 | 1023 |
| Certified Max Gross Weight | 6615 |
| Aircraft Category | Helicopter |
| Aircraft Registration Class | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | Unknown |
| Flight Crew Seats | -- |
| Cabin Crew Seats | -- |
| Passenger Seats | -- |
| Total number of seats on the aircraft | 10 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | AAIP |
| Date of Last Inspection | Jul 21 1983 12:00AM |
| Airframe hours since last inspection | 43 |
| Airframe Hours | 2777 |
| ELT Installed | No |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | ISLAND HELICOPTERS, INC. |
| 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 | |
| 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 | 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 | LGA |
| Departure City | FLUSHING |
| Departure State | NY |
| Departure Country | |
| Departure Time | 1824 |
| 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 | 1 |
| Runway Length | 304 |
| Runway Width | 100 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |