Boeing 747-122 N4729U
4 March 1986 · Honolulu, Hawaii, United States · Serious injuries
Summary
On 4 March 1986 at about 05:06 local time, a Boeing 747-122 registered N4729U, operated by United Airlines, was involved in an accident near Honolulu, Hawaii, United States. 340 people were on board and 2 were seriously injured, 7 had minor injuries. No probable cause statement is available for this record.
The record
- Date
- at 05:06
- Classification
- Accident
- Location
- Honolulu, Hawaii, United States
- Coordinates
- 21.3293, -157.9391
- Aircraft
- Boeing 747-122
- Registration
- N4729U
- Category
- Airplane
- Engines
- 4
- Operator
- United Airlines
- Operating rule
- Part 121: Air Carrier
- Purpose of flight
- Unknown
- Phase of flight
- Not recorded
- Route
- Honolulu → Chicago
- Aircraft damage
- Not recorded
- Weather
- VMC
- Light
- Night/Bright
- NTSB number
- CHI86FA096
People
2 people were seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 340 | 0 | 2 | 7 | 331 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
THE SCHEDULED PASSENGER FLIGHT FROM HONOLULU TO CHICAGO ENCOUNTERED CLEAR AIR TURBULENCE (CAT) ABOUT 500 NM EAST OF HONOLULU WHILE IN CRUISE FLIGHT AT FLIGHT LEVEL 330. THE TURBULENCE WAS UNEXPECTED, HAD NOT BEEN FORECAST, AND THE FASTEN SEAT BELT WAS NOT ILLUMINATED. TWO PASSENGERS WERE SERIOUSLY INJURED DURING THE TURBULENCE ENCOUNTER. THE FLIGHT THEN CONTINUED TO THE DESTINATION AIRPORT WITHOUT FURTHER INCIDENT.
Quoted verbatim from the NTSB record.
Other Boeing 747 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 23 May 1986 | Boeing 747SP-21 | Sydny, Australia | United Airlines | No injuries | - |
| 27 Jan 1986 | Boeing 747-123 | Miami, Florida, United States | - | Minor injuries | - |
| 21 Dec 1986 | Boeing 747-121 | Miami, Florida, United States | - | Minor injuries | - |
| 24 Jun 1986 | Boeing 747-122 | Pacific Ocean | - | No injuries | - |
| 25 Apr 1985 | Boeing 747-123 | Detroit, Michigan, United States | United Air Carriers | Minor injuries | - |
| 15 Dec 1985 | Boeing 747-136 | Boston, Massachusetts, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 31 Jul 1986 | Bell 47G-3B1 | Lihue, Hawaii, United States | - | Serious injuries | - |
| 18 May 1986 | Bell 206B | Maui, Hawaii, United States | - | Fatal | 2 |
| 22 Nov 1986 | Cessna 152 | Waipahu, Hawaii, United States | - | No injuries | - |
| 21 Mar 1986 | Cessna U206C | Maunaloa, Hawaii, United States | Hutchinson Auto & Air | Fatal | 1 |
| 31 May 1986 | Aerospatiale AS-355F-1 | Kameula, Hawaii, United States | Hemmeter Aviation, Inc. | Minor injuries | - |
| 28 Oct 1986 | Murrayair MA-1 | Hilo, Hawaii, United States | - | No injuries | - |