# NTSB NYC79IA047: Boeing 747, N743PA, Agana, GU, June 1, 1979

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: June 1, 1979
- Place: Agana, GU · AGANA,GUAM, GU
- Location: 13.4742° N, 144.7478° E: Placed by OpenAirDocs: center of Hagåtña, GU, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=13.4742&lon=144.7478&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 334 uninjured
- Status: Completed, report December 19, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 135561
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC79IA047
- Page: https://openairdocs.org/ntsb/NYC79IA047

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0014   79/6/1    AGANA,GUAM          BOEING 747          CR-  0  0 16  SCHED INTERNATL PASSG SRV AIRLINE TRANSPORT, AGE
        TIME - 0735                    N743PA              PX-  0  0318                            52, 15000 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            530 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        OPERATOR - PAN AMERICAN WORLD AIRWAYS,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          AGANA,GUAM                  MANILA,PHILIPPINES
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           SYSTEMS - AIR CONDITION,HEATING AND PRESSURIZATION: PRESSURIZATION CONTROL AND INDICATING SYSTEM
           MISCELLANEOUS ACTS,CONDITIONS - STUCK
        REMARKS- RAPID DECOMPRESSION.LOSS OF OUTFLOW VALVE CONTROL.
```

## Aircraft

- Registration: N743PA (not matched to a registry record)
- Reported make and model: BOEING 747
- Category: Airplane
- Engines: turbo fan
- Damage: No damage

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.

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