Aircraft Accident/Incident Report

Groveland, Massachusetts 01834
Sunday, May 12, 1991 18:10 EDT

NTSB Narrative Summary Released at Completion of Accident

THE PILOT WAS PRACTICING WATER LANDINGS/HOVERING IN A HELICOPTER. HE SAID THAT WHILE ON APPROACH, THE HELICOPTER DESCENDED QUICKLY, AND HE WAS UNABLE TO PREVENT A FRONT SKID FROM CONTACTING THE WATER. THE HELICOPTER NOSED OVER. THE PILOT REPORTED THE WINDS WERE STEADY IN VELOCITY AND VARIABLE IN DIRECTION.

NTSB Probable Cause Narrative

IMPROPER USE OF THE FLIGHT CONTROLS BY THE PILOT AND HIS FAILURE TO COMPENSATE FOR THE WINDS.

Event Information

Type of Event Accident
Event Date 5/12/1991
Event Day of the Week Sunday
Time of Event 1810
Event Time Zone Eastern Daylight Time
Event City GROVELAND
Event State MASSACHUSETTS
Event Country --
Zipcode of the event site 01834
Event Date Year 1991
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
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Unknown
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Variable
Wind Speed (knots) 12
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 25
Altimeter Setting at event time (in. Hg) --
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 386
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 43672
Date of most recent change to record Dec 12 2000 10:03AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N2603H
NTSB Number NYC91LA132
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 ROBINSON
Aircraft Model R22
Aircraft Series Identifier R22
Aircraft Serial Number 691M
Certified Max Gross Weight 2500
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 Unknown
Date of Last Inspection Jan 2 2000 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name GEOFFREY D. WYLER
Aircraft Owner Street Address 18 LOCKLAND RD.
Aircraft Owner City WINCHESTER
Aircraft Owner State MA
Aircraft Owner Country
Aircraft Owner Zipcode 01890
Operator is an individual? --
Operator Name GEOFFREY D. WYLER
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address 18 LOCKLAND RD.
Operator City WINCHESTER
Operator State MA
Operator Country
Operator Zip code 01890
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 Yes
Departure Point Same as Event No
Departure Airport Code LWM
Departure City NORTH ANDOVER
Departure State MA
Departure Country
Departure Time 1730
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 Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
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 --