Aircraft Accident/Incident Report

Honolulu, Hawaii 96850
Monday, July 8, 1996 16:04 HST

NTSB Narrative Summary Released at Completion of Accident

The Hughes helicopter, N64MK, and the Mooney airplane, N5801N, had departed on a formation flight to film a movie. Cameramen were in both aircraft, and an actress was in the Mooney's right front seat. By prior arrangements, the Mooney was the lead aircraft and was flown by its left seated airline transport pilot. A commercial certificated pilot was flying the Hughes, also from the left seat. The pilots were in radio contact with each other. Videotape taken from both aircraft was reviewed. While cruising past Diamond Head at 100 knots and 1,000 feet above sea level, the Hughes decreased its distance from the Mooney's right wing, joined up in a tight side-by-side formation, and at times was several feet higher, lower, in front of, and behind the Mooney. The Mooney pilot reported that she observed the Hughes. Seconds prior to the Hughes' main rotor blades impacting and severing the outer 3 feet of the Mooney's right wing, the Mooney pilot diverted her attention away from the Hughes. The Mooney pilot looked outside her left windshield and pointed out to the actress the presence of a shoreline hotel. After the collision, the Mooney landed without further mishap. The Hughes autorotated into the ocean and sank.

NTSB Probable Cause Narrative

the failure of both pilots to maintain adequate clearance from each other while in formation flight.

Event Information

Type of Event Accident
Event Date 7/8/1996
Event Day of the Week Monday
Time of Event 1604
Event Time Zone Hawaii Standard Time
Event City HONOLULU
Event State HAWAII
Event Country --
Zipcode of the event site 96850
Event Date Year 1996
Event Date Month 7
MidAir Collision Indicator Yes
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 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 3500
Sky/Lowest/Cloud Conditions Scattered
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) 27
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 60
Variable Wind Indicator Unknown
Wind Speed (knots) 13
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 15
Altimeter Setting at event time (in. Hg) 29
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 7
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1756
NTSB Notification Source --
NTSB Notification Date Jul 8 1996 12:00AM
NTSB Notification Time 2000
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 8 2000 10:12AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft #2

Aircraft Registration Number N64MK N5801N
NTSB Number LAX96LA267A LAX96LA267B
Missing Aircraft Indicator N N
Federal Aviation Reg. Part Part 91: General Aviation Part 91: General Aviation
Type of Flight Plan filed None None
Flight plan Was Activated? -- --
Damage Destroyed Substantial
Aircraft Fire None None
Aircraft Explosion None None
Aircraft Manufacturer's Full Name Hughes Mooney
Aircraft Model 369D M20J
Aircraft Series Identifier 369D M20J
Aircraft Serial Number 890565D 24-1606
Certified Max Gross Weight 3000 2740
Aircraft Category Helicopter Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No No
Flight Crew Seats -- --
Cabin Crew Seats -- --
Passenger Seats -- --
Total number of seats on the aircraft 5 4
Number of Engines 1 1
Fixed gear or retractable gear Fixed Retractable
Aircraft, Type of Last Inspection Annual Unknown
Date of Last Inspection Jun 3 1996 12:00AM --
Airframe hours since last inspection -- --
Airframe Hours -- --
ELT Installed No Unknown
ELT Activated Unknown Unknown
ELT Aided Location of Event Site Unknown Unknown
ELT Type -- --
Aircraft Owner Name TOMBO AVIATION, INC. COSMO FLYING SCHOOL, INC.
Aircraft Owner Street Address 120 KAPALULU PLACE, SUITE 302 100 KAULELE PLACE
Aircraft Owner City HONOLULU HONOLULU
Aircraft Owner State HI HI
Aircraft Owner Country
Aircraft Owner Zipcode 96819 96819
Operator is an individual? -- --
Operator Name
Operator Same as Owner? Yes Yes
Operator Is Doing Business As -- --
Operator Address Same as Owner? Yes Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code MKHA
Owner has at least one certificate Yes - certificate holder None
Other Operator of large aircraft? No No
Certified for Part 133 or 137 Operation External Load 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) Other Work Use Other Work Use
Second Pilot on Board No No
Departure Point Same as Event Yes Yes
Departure Airport Code HNL HNL
Departure City
Departure State
Departure Country
Departure Time 1555 1555
Departure Time Zone HST HST
Destination Same as Local Flt dest & departure same, accident can occur anywhere dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight -- --
Report sent to ICAO? -- --
Evacuation occurred -- --
Date of most recent change to record Jan 2 2001 10:34AM Jan 2 2001 10:34AM
User who most recently changed record dbo dbo
Since inspection or accident -- --
Event Location Runway Number and Location 0 0
Runway Length -- --
Runway Width -- --
Sight Seeing flight No No
Air Medical Flight No No
Medical Flight -- --