Aircraft Accident/Incident Report

Lewiston, Idaho 83501
Wednesday, May 17, 1989 14:15 PDT

NTSB Narrative Summary Released at Completion of Accident

DURING PRACTICE EXTERNAL LOAD (WATER DROP) OPS, PLT AT CONTROLS WAS MANEUVERING FOR DROP AND FAILED TO ALLOW FOR A LOAD SWING WHICH CAUSED THE HELICOPTER TO PITCH UP. PLT LOWERED COLLECTIVE AND COLLIDED WITH TERRAIN. BOTH PILOTS WERE PRACTICING WATER DROPS DURING THE FLIGHT.

NTSB Probable Cause Narrative

THE PILOT'S IMPROPER USE OF THE HELICOPTER'S FLIGHT CONTROLS. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S MISJUDGEMENT OF THE EXTERNAL LOAD CHARACTERISTICS.

Event Information

Type of Event Accident
Event Date 5/17/1989
Event Day of the Week Wednesday
Time of Event 1415
Event Time Zone Pacific Daylight Time
Event City LEWISTON
Event State IDAHO
Event Country --
Zipcode of the event site 83501
Event Date Year 1989
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 Pilot
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 Clear
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) 24
Dew Point at event time (in degress fahrenheit) 4
Wind Direction (degrees magnetic) 225
Variable Wind Indicator Unknown
Wind Speed (knots) 6
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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 2
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 212
NTSB Notification Source --
NTSB Notification Date May 17 1989 12:00AM
NTSB Notification Time 1545
Fiche Number and/or location -used to find docket information 38530
Date of most recent change to record Dec 13 2000 12:42PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5013C
NTSB Number SEA89LA087
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 133: Rotorcraft Ext. Load
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 2568
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 Annual
Date of Last Inspection Jan 13 1989 12:00AM
Airframe hours since last inspection 2
Airframe Hours 3389
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HILLCREST AIRCRAFT CO, INC
Aircraft Owner Street Address P.O. BOX 504
Aircraft Owner City LEWISTON
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83501
Operator is an individual? --
Operator Name GALE WILSON
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O. BOX 504
Operator City LEWISTON
Operator State ID
Operator Country
Operator Zip code 83501
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation External Load
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) Other Work Use
Second Pilot on Board Yes
Departure Point Same as Event Yes
Departure Airport Code LWS
Departure City
Departure State
Departure Country
Departure Time 1330
Departure Time Zone PDT
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 10:30AM
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 --