Hilo Intl. Airport
Aircraft Accident/Incident Report

Hilo, Hawaii 96720
Friday, May 18, 1990 11:00 HST

NTSB Narrative Summary Released at Completion of Accident

THE PASSENGERS BEGAN DISEMBARKING THE HELICOPTER UPON RETURNING FROM A SIGHT SEEING FLIGHT. A PASSENGER EXITING THE RIGHT FRONT DOOR USED THE HAND ASSIST STRAP. HER REACH DID NOT ENABLE HER TO HOLD ON TO THE ASSIST STRAP AND REACH THE LANDING SKID WITH HER FOOT. SHE RELEASED THE HAND STRAP AS HER FOOT TOUCHED THE LANDING GEAR SKID AND SHE SLIPPED FRACTURING HER ANKLE.

NTSB Probable Cause Narrative

IMPROPER SUPERVISION AND ABSENCE OF ASSISTANCE BY THE COMPANY TO PASSENGERS DISEMBARKING THE HELICOPTER.

Event Information

Type of Event Accident
Event Date 5/18/1990
Event Day of the Week Friday
Time of Event 1100
Event Time Zone Hawaii Standard Time
Event City HILO
Event State HAWAII
Event Country --
Zipcode of the event site 96720
Event Date Year 1990
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport HILO INTL.
Event Location Nearest Airport ID ITO
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
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) -18
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) 0
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 4
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 1749
NTSB Notification Source --
NTSB Notification Date May 21 1990 12:00AM
NTSB Notification Time 900
Fiche Number and/or location -used to find docket information 43481
Date of most recent change to record Dec 18 2002 11:28AM
User who most recently changed record NTSB\GIUV
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1602N
NTSB Number LAX90LA189
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name McDonnell Douglas
Aircraft Model 369E
Aircraft Series Identifier 369E
Aircraft Serial Number 0230
Certified Max Gross Weight 3000
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 6
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection 0
Airframe Hours --
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name UNKNOWN
Aircraft Owner Street Address
Aircraft Owner City
Aircraft Owner State
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name AVIATION, IO
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address GATE 24, HILO ARPT
Operator City HILO
Operator State HI
Operator Country
Operator Zip code 96720
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) Unknown
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code ITO
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City 0
Destination State
Destination Country
Specific Phase of Flight Standing
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 0
Runway Width 0
Sight Seeing flight Yes
Air Medical Flight No
Medical Flight --