# Incident 19920109040689I: Boeing 747122, Tokyo, JA, January 9, 1992

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: January 9, 1992, 21:00 local time
- Place: Tokyo, JA
- Airport: Narita
- Phase of flight: Normal Cruise
- Operating rules: Air carrier (Part 121)
- Operator: UALA
- Aircraft: N4729U, a cancelled registration (https://openairdocs.org/deregistered/N4729U-1998-05-29) (OpenAirDocs)
- Registry model: Boeing 747-122 (registry code 1384872, https://openairdocs.org/model/boeing-747-122) (OpenAirDocs)
- Reported make and model: BOEING 747122
- Reported engine: PWA JT9D7A
- People aboard: 3
- Fatal injuries: 0
- Pilot flight hours: 16,887 total, 152 in the last 90 days
- NTSB investigation: [NTSB LAX92WA091](https://openairdocs.org/ntsb/LAX92WA091) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19920109040689I

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENCOUNTERED UNEXPECTED SEVERE TURBULENCE. PASSENGER IN AISLE AT LAVATORY BROKE LEG. REFUSED RETURN SEAT. BELT LIGHT

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX92WA091](https://openairdocs.org/ntsb/LAX92WA091), Jan 9, 1992: Boeing 747-100 (N4729U), Narita, Japan, no damage

## Other reports on N4729U (7)

Matched to the same aircraft by N-number and date.

- [Incident 19931003051809I](https://openairdocs.org/incident/19931003051809I), Oct 3, 1993: Boeing 747122 (N4729U), Washington, DC. Passenger aboard aircraft allegedly interfered with crew embers inflight. Aircraft met by police.
- [Accident 19860303005309A](https://openairdocs.org/incident/19860303005309A), Mar 3, 1986: Boeing 747122 (N4729U), Honolulu, HI. Encountered cat at FL330 500 miles east of Honolulu. Passengers and attendents were injured . Continued destination
- [Incident 19840111010879I](https://openairdocs.org/incident/19840111010879I), Jan 11, 1984: Boeing 747* (N4729U), San Francisco, CA. A parked helicopter and a twin otter was damaged by the thrust of the 747 as the pilot was turning into the gate.
- [Incident 19821023065159I](https://openairdocs.org/incident/19821023065159I), Oct 23, 1982: Boeing 747* (N4729U), Los Angeles, CA, Minor damage. Stewardess caught her toes between the lift and elevator shaft. Broke four toes. Paramedics met aircraft.
- [Incident 19810303020229I](https://openairdocs.org/incident/19810303020229I), Mar 3, 1981: Boeing 747122 (N4729U), Los Angeles, CA, Minor damage. Refueling panel found on runway. Determined to have come from ual B747.
- [Incident 19800930072059I](https://openairdocs.org/incident/19800930072059I), Sep 30, 1980: Boeing 747/ (N4729U), Chicago, IL. Shutdown engine due to compressor stall on climbout. Metal particles in tailpipe and on turbine blades.
- [Incident 19800902082109I](https://openairdocs.org/incident/19800902082109I), Sep 2, 1980: Boeing 747/ (N4729U), Chicago, IL. Takeoff rejected when one engine did not advance. Sequence actuator was stuck in reverse.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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