Aircraft Accident/Incident Report

Tinicum, Pennsylvania 18947
Thursday, June 17, 1999 10:12 EDT

NTSB Narrative Summary Released at Completion of Accident

The pilot was performing aerial application over the Delaware River. He stated that his attention was momentarily diverted, as he was looking at a flow gauge inside the cockpit. The pilot further stated that he flew too low, causing the skids to contact the water. The main rotor blades subsequently struck the water, and the helicopter came to rest in the river.

NTSB Probable Cause Narrative

The pilot's failure to maintain a proper altitude above the water.

Event Information

Type of Event Accident
Event Date 6/17/1999
Event Day of the Week Thursday
Time of Event 1012
Event Time Zone Eastern Daylight Time
Event City TINICUM
Event State PENNSYLVANIA
Event Country --
Zipcode of the event site 18947
Event Date Year 1999
Event Date Month 6
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 --
Degrees magnetic from airport --
Airport Elevation --
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 934 Eastern Daylight Time
Direction of event from weather observation facility (degrees) 310
Weather Observation Facility ID ABE
Elevation of weather observation facility 394
Distance of event from weather observation facility (units?) 20
Time Zone of the weather observation EDT
Lighting Conditions Day
Lowest Ceiling Height 4800
Lowest Non-Ceiling Height 1900
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) 10
Air Temperature at event time (in degrees celsius) 17
Dew Point at event time (in degress fahrenheit) 13
Wind Direction (degrees magnetic) 80
Variable Wind Indicator Unknown
Wind Speed (knots) 7
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 Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 1
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 291
NTSB Notification Source --
NTSB Notification Date Jun 17 1999 12:00AM
NTSB Notification Time 1100
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 12 2000 11:40AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N94WF
NTSB Number NYC99LA147
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
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 206B-III
Aircraft Series Identifier 206B-III
Aircraft Serial Number 2622
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 May 17 1999 12:00AM
Airframe hours since last inspection 37
Airframe Hours 11388
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HELICOPTER APPLICATORS INC.
Aircraft Owner Street Address 1670 YORK ROAD
Aircraft Owner City GETTYSBURG
Aircraft Owner State PA
Aircraft Owner Country
Aircraft Owner Zipcode 17325
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 Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code NONE
Departure City ERWINNA
Departure State PA
Departure Country
Departure Time 1008
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 Maneuvering
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 --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --