| Jordan Valley|
10 May 1977
Israeli Air Force
| Under investigation (causes unknown)|
Sikorsky CH-53 Sea Stallion
1997 Israeli helicopter, 1977 Gary Powers helicopter, 1977 Benghazi Libyan Ar, Linjeflyg Flight 618, SA de Transport Aérien Fli
1977 Israeli Air Force Sikorsky CH-53 Sea Stallion crash Wikipedia
On May 10, 1977, an Israeli Air Force Sikorsky CH-53 Yas'ur helicopter crashed during an exercise in the Jordan Valley, killing all 54 on board (including the 10-member flight crew). The disaster became known as Ason Hanun-dalet, or "Disaster of the 54".