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B747-400 captain reported noticing low oil quantity on three of his engines. Shortly after alerting company; #4 oil quantity and pressure dropped to a level low enough that the captain declared an emergency and diverted to the nearest suitable airport.
| Attributes | |
| ACN | 1021250 |
| Time | |
| Date | 201207 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZZ.ARTCC |
| State Reference | FO |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B747-400 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Turbine Engine |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
While enroute at 33;000 ft; engine EICAS indicated 3 engines [with] low oil quantity and psi. Engines were indicating 21; 14; 13; 14. Once noticed; I sat comm'ed the company and made them aware of the situation. Shortly thereafter engine #4 quantity decreased to 12 and slightly less psi. Due to safety and based on the information I had; I declared an emergency and diverted the flight to [nearest suitable airport]. The flight landed safely and was terminated.
Original NASA ASRS Text
Title: B747-400 Captain reported noticing low oil quantity on three of his engines. Shortly after alerting company; #4 oil quantity and pressure dropped to a level low enough that the Captain declared an emergency and diverted to the nearest suitable airport.
Narrative: While enroute at 33;000 FT; Engine EICAS indicated 3 engines [with] low oil quantity and psi. Engines were indicating 21; 14; 13; 14. Once noticed; I Sat Comm'ed the company and made them aware of the situation. Shortly thereafter Engine #4 quantity decreased to 12 and slightly less psi. Due to safety and based on the information I had; I declared an emergency and diverted the flight to [nearest suitable airport]. The flight landed safely and was terminated.
Data retrieved from NASA's ASRS site as of July 2013 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.