Aircraft Accident/Incident Report

Long Island Cty, New York 11101
Sunday, May 1, 1988 10:23 EDT

NTSB Narrative Summary Released at Completion of Accident

THE BELL 206B WAS ON A SIGHTSEEING FLIGHT AROUND THE ISLAND OF MANHATTAN WHEN IT EXPERIENCED A LOW ROTOR RPM SITUATION. THE PILOT SAID HE COULD NOT RECOVER ROTOR RPM AND MADE A FORCED LANDING IN THE EAST RIVER. THE PILOT AND THREE PASSENGERS EXITED THE AIRCRAFT AND HUNG ONTO THE FLOATS WHICH WERE INFLATED AND SEPARATED FROM THE AIRCRAFT. ONE PASSENGER DID NOT ESCAPE, WAS FOUND IN THE AIRCRAFT 1 1/2 HOURS LATER AND DIED OF DROWNING. A FATIGUE CRACK WAS FOUND ON THE POWER TURBINE GOVERNOR NEAR THE PY PORT WHICH WOULD CAUSE THE ENGINE TO LOSE POWER. THE PILOT AND PASSENGERS SAID A WARNING HORN IDENTIFIED AS THE LOW ROTOR WARNING HORN, STAYED ON THROUGHOUT THE DESCENT. THE LOW ROTOR RPM WARNING HORN IS DESIGNED TO SOUND WHEN A LOW ROTOR RPM CONDITION EXISTS. NO EVIDENCE OF ANY COLLECTIVE CONTROL PROBLEM WAS FOUND AND THE PILOT DID NOT MENTION A JAMMED COLLECTIVE.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 5/1/1988
Event Day of the Week Sunday
Time of Event 1023
Event Time Zone Eastern Daylight Time
Event City LONG ISLAND CTY
Event State NEW YORK
Event Country --
Zipcode of the event site 11101
Event Date Year 1988
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 TSS
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 5
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1050 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 75
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 3700
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
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) 12
Dew Point at event time (in degress fahrenheit) 6
Wind Direction (degrees magnetic) 300
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) 30
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor 4
Injury Total None --
Injury Total Serious --
Injury Total All 5
Investigating Agency NTSB
NTSB Docket Number (internal use) 2122
NTSB Notification Source --
NTSB Notification Date May 1 1988 12:00AM
NTSB Notification Time 1120
Fiche Number and/or location -used to find docket information 38627
Date of most recent change to record Dec 13 2000 11:46AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7094J
NTSB Number NYC88FA133
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model 206B
Aircraft Series Identifier 206B
Aircraft Serial Number 727
Certified Max Gross Weight 3200
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 5
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection 100 Hour
Date of Last Inspection Mar 13 1988 12:00AM
Airframe hours since last inspection 54
Airframe Hours 7395
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name ISLAND HELICOPTERS
Aircraft Owner Street Address NORTH AVE
Aircraft Owner City GARDEN CITY
Aircraft Owner State NY
Aircraft Owner Country
Aircraft Owner Zipcode 11530
Operator is an individual? --
Operator Name ISLAND HELICOPTERS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address NORTH AVENUE
Operator City GARDEN CITY
Operator State NY
Operator Country
Operator Zip code 11530
Operator Code BJAA
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 --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code TSS
Departure City MANHATTAN
Departure State NY
Departure Country
Departure Time 1015
Departure Time Zone EDT
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 Aug 22 2001 3:51PM
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 Yes
Air Medical Flight No
Medical Flight --