Aircraft Accident/Incident Report

Yucaipa, California 92399
Thursday, April 16, 1987 10:30 PDT

NTSB Narrative Summary Released at Completion of Accident

A BELL 206B WENT OUT OF CONTROL AND CRASHED WHILE LNDG AT A 5,720 FT HIGH HELIPAD. THE PLT INDICATED THAT HE TERMINATED THE APRCH AT A 8-10 FT HOVER AND BEGAN TO SPIN TO THE RIGHT WITH FULL LEFT PEDAL APPLIED. AFTER 1 1/2 TO 2 TURNS THE PLT ATMPTD TO FLY OUT OF THE SPIN BY LOWERING THE NOSE AND REDUCING POWER. THE ACFT CONTINUED TO SPIN AND COLLIDED WITH THE TERRAIN ROLLING ONTO IT'S LEFT SIDE. THE APPROX DENSITY ALTITUDE (DA) FOR THE HELIPAD WAS 6,800 FT MSL. AC 61-13B STATES, 'IF THE DESTINATION IS AT A HIGHER ALTITUDE AND/OR HIGHER TEMPERATURE AND MOISTURE CONTENT PREVAIL, SUFFICIENT POWER MAY NOT BE AVAILABLE TO HOVER AT THE DESTINATION WITH THE EXISTING GROSS WEIGHT'. THE MANUAL ALSO STATES THAT A NORMAL APRCH TO THE SURFACE SHOULD BE USED WHEN HIGH DA OR HEAVILY LOADED CONDITIONS EXIST. THE FAA DEFINED 'UNANTICIPATED RIGHT YAW' AS AN OCCURRENCE OF AN UNCOMMANDED RIGHT YAW RATE WHICH DOES NOT SUBSIDE OF ITS OWN ACCORD AND WHICH, IF NOT CORRECTED CAN RESULT IN LOSS OF ACFT CONTROL.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/16/1987
Event Day of the Week Thursday
Time of Event 1030
Event Time Zone Pacific Daylight Time
Event City YUCAIPA
Event State CALIFORNIA
Event Country --
Zipcode of the event site 92399
Event Date Year 1987
Event Date Month 4
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 5720
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 955 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 285
Weather Observation Facility ID SBD
Elevation of weather observation facility 1157
Distance of event from weather observation facility (units?) 15
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 25000
Sky/Lowest/Cloud Conditions Thin Broken
Sky Condition for Lowest Ceiling None
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) 26
Dew Point at event time (in degress fahrenheit) 9
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) 2700
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 2
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1736
NTSB Notification Source --
NTSB Notification Date Apr 16 1987 12:00AM
NTSB Notification Time 1100
Fiche Number and/or location -used to find docket information 35081
Date of most recent change to record Dec 13 2000 2:16PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N76EF
NTSB Number LAX87LA179
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 Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name BELL
Aircraft Model 206B-II
Aircraft Series Identifier 206B-II
Aircraft Serial Number 1756
Certified Max Gross Weight 3250
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 Apr 1 1987 12:00AM
Airframe hours since last inspection 25
Airframe Hours 3966
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name J. C. HELICOPTER
Aircraft Owner Street Address 7000 MERRILL AVE. 25
Aircraft Owner City CHINO
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 91710
Operator is an individual? --
Operator Name J. C. HELICOPTERS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 7000 MERRILL AVE. 25
Operator City CHINO
Operator State CA
Operator Country
Operator Zip code 91710
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 No
Departure Point Same as Event No
Departure Airport Code CNO
Departure City CHINO
Departure State CA
Departure Country
Departure Time 1000
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
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 --