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| Title: | In-flight upset, EgyptAir Flight 990, Boeing 767-366ER, SU-GAP, 60 Miles South of Nantucket, Massachusetts, October 31, 1999 |
| Micro summary: | This Boeing 767-366ER crashed in cruise following an in-flight upset. |
| Event Time: | 1999-10-31 at 0152 EST |
| File Name: | 1999-10-31-US.pdf |
| Publishing Agency: | National Transportation Safety Board (NTSB) |
| Publishing Country: | USA |
| Report number: | NTSB/AAB-02/01 |
| Pages: | 160 |
| Site of event: | 60 miles sourth of Nantucket, Massachusetts |
| Latitude/Longitude: | N40°21 W69°46' |
| Departure: | John F. Kennedy International Airport, Jamaica, New York, USA |
| Destination: | Cairo International Airport, Cairo, Egypt |
| Airplane Type(s): | Boeing 767-366ER |
| Flight Phase: | Cruise |
| Registration(s): | SU-GAP |
| Operator(s): | EgyptAir |
| Type of flight: | Revenue |
| Occupants: | 217 |
| Fatalities: | 217 |
| Serious Injuries: | 0 |
| Minor/Non-Injured: | 0 |
| Other Injuries: | 0 |
| Executive Summary: | On October 31, 1999, about 0152 eastern standard time (EST), EgyptAir flight 990, a Boeing 767-366ER (767), SU-GAP, crashed into the Atlantic Ocean about 60 miles south of Nantucket, Massachusetts. EgyptAir flight 990 was being operated under the provisions of Egyptian Civil Aviation Regulations (ECAR) Part 121 and U.S. 14 Code of Federal Regulations Part 129 as a scheduled, international flight from John F. Kennedy International Airport (JFK), New York, New York, to Cairo International Airport, Cairo, Egypt.1 The flight departed JFK about 0120, with 4 flight crewmembers, 10 flight attendants, and 203 passengers on board. All 217 people on board were killed, and the airplane was destroyed. Visual meteorological conditions prevailed for the flight, which operated on an instrument flight rules (IFR) flight plan. Probable Cause The National Transportation Safety Board determines that the probable cause of the EgyptAir flight 990 accident is the airplane's departure from normal cruise flight and subsequent impact with the Atlantic Ocean as a result of the relief first officer's flight control inputs. The reason for the relief first officer's actions was not determined. |
| Learning Keywords: | Operations - Controlled Flight Into Terrain |
| Operations - Uncontrolled Flight into Terrain | |
| Consequence - Hull Loss |
| Close match: | Descent from cruise and crash into river, Aircraft Accident Report, Silkair Flight MI 185, Boeing B737-300, 9V-TRF, Musi River, Palembang, Indonesia, 19 December 1997 |
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