Sandinistas helped Palestinians hijack civilian airliners.
Patricio José Argüello Ryan (March 30, 1943 – September 6, 1970), known as Patrick Argüello, was a Nicaraguan American, member of the Sandinistas who was shot and killed while attempting to hijack El Al Flight 219 in September 1970, as part of the Popular Front for the Liberation of Palestine ‘s Dawson’s Field hijackings.https://en.wikipedia.org/wiki/Patrick_Arguello