To Beirut, then Algiers

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With Captain Testrake being held at gunpoint, the airplane was diverted from its original destination of Rome, in airspace over Greece, to the Middle East and made its first stop, for several hours, at the Beirut International Airport in Lebanon, where 19 passengers were allowed to leave in exchange for fuel.^[8] Shortly before landing, air traffic control initially refused to let them land in Beirut. Captain Testrake argued with air traffic control until they relented. When Beirut ATC tried to talk to the hijackers, Testrake interrupted, "He has pulled a hand-grenade pin and he is ready to blow up the aircraft if he has to. We must, I repeat, we must land at Beirut. We must land at Beirut. No alternative."^[9]

At the time, Lebanon was in the midst of the Lebanese Civil War, and Beirut was divided into sectors controlled by different Shia Amal militia and Hezbollah. That afternoon, the aircraft continued on across the Mediterranean Sea to Algiers, where 20 passengers were released during a five-hour stop before heading back to Beirut that night.

Back to Beirut

Beirut International Airport was surrounded by a Shia neighborhood. It had no perimeter security and had been overrun by Islamist militias, and nearby residents could simply drive onto the runway.

The hijackers had systematically and regularly beaten all the military passengers, but during this stop, they selected U.S. Navy diver, Robert Stethem, beat him, shot him in the right temple, and dumped his body out of the plane onto the ramp and shot him again, seeking permission from other Shia Muslims operating the control tower to obtain more fuel. Seven American passengers, alleged to have Jewish-sounding surnames, were taken off the jet and kept captive in a Shia prison in Beirut.^[10]

Algiers, Beirut again

Nearly a dozen heavily armed men joined the hijackers before the airplane returned to Algiers the next day, 15 June,^[1] where an additional 65 passengers and all five female cabin crew members were released.^[11]

The initial demands of the hijackers included:

• Release of the "Kuwait 17", those involved in the 1993 bombings of the U.S. embassy in Kuwait^[12]
• Release of all 766 mainly Lebanese Shias transferred to Israel's Atleat Prison^[13] in conjunction with immediate withdrawal of Israeli forces from southern Lebanon^[1][14]
• International condemnation of Israel and the United States.^[1]

The Greek government released the accomplice, Ali Atwa, and in exchange the hijackers released eight Greek citizens, including Greek popular singer Demis Roussos, to be flown by a Greek government business jet from Algiers back to Athens.

By the afternoon of June 17, the 40 hostages remaining had been taken from the airplane and kept captive throughout Beirut by Hezbollah.^[15] Nabih Berri was the chief of the Amal militia and the minister of justice in the fractured Lebanon cabinet. One of the hostages was released on 26 June when he developed heart trouble. The other 39 remained captive until June 30 when they were collected in a local schoolyard after an intervention by U.S. President Ronald Reagan along with Lebanese officials.^[16] The released hostages then met with international journalists and were driven to Syria by the International Red Cross to the Sheraton Hotel and a press conference in Damascus.

The hostages then boarded a U.S. Air Force C-141B Starlifter cargo plane and flew to Rhein-Main AB, Hesse, West Germany, where they were met by U.S. Vice President George H. W. Bush, debriefed, given medical examinations, then flown to Andrews Air Force Base in Maryland and welcomed home by the president. Over the next several weeks, Israel released over 700 Shia prisoners, while maintaining that the prisoners' release was not related to the hijacking.^[2]

Alleged perpetrators

Hezbollah specialist Magnus Ranstorp of the University of St Andrews credits "leading" Hezbollah members Hassan Izz-Al-Din (later involved with the Kuwait Airways Flight 422 hijacking in 1988) and Mohammed Ali Hammadi, whose brother was one of the commanders of the Hezbollah Special Security Apparatus, with assisting Hezbollah operatives in the "supervision and planning of the incident itself and as an active participant in the defusion and resolution".^[14]

On October 10, 2001, in the immediate aftermath of 9/11, three of the alleged hijackers, Imad Mughniyeh, Ali Atwa, and Hassan Izz-Al-Din, having been indicted earlier in United States district courts for the 1985 skyjacking of the American airliner, were among the original 22 fugitives announced by President George W. Bush to be placed on the newly formed FBI Most Wanted Terrorists list. Rewards of $5 million for information resulting in the arrest and conviction of Atwa and Izz-Al-Din are still being offered by the United States.

Mohammed Ali Hammadi was arrested in 1987 in Frankfurt, West Germany, while attempting to smuggle liquid explosives, two years after the TWA Flight 847 attack. In addition to the West German charge of illegal importation of explosives, he was tried and convicted of Stethem's 1985 murder and was sentenced to life in prison. However, he was paroled and released by German officials on December 20, 2005, and returned to Lebanon.^[20][21] There has been speculation that his parole was granted as part of a covert prisoner swap, in exchange for the release of Susanne Osthoff. Taken hostage in Iraq a month prior, Osthoff was released the week of Hammadi's parole.^[22] On February 14, 2006 the United States formally asked the Lebanese government to extradite Mohammed Ali Hammadi for Stethem's murder.^[23] On February 24, 2006, he appeared as well on the FBI Most Wanted Terrorists list, with the name Mohammed Ali "Hamadei" (sic). He was among the second group of indicted fugitives to be named by the FBI to the list.^[24]

Several news outlets reported the announcement by Hezbollah of the death of Imad Mughniyeh in a car bomb explosion in Syria on February 13, 2008.^[25] The remaining three fugitives from TWA Flight 847 remain on the list, and at large.^[26]

On September 19, 2019, Greek police arrested a 65-year-old Lebanese man who was accused of involvement in the hijacking. The man was arrested at Mykonos during a passport check for cruise ship passengers.^[27] He was aboard a cruise ship that had crossed Rhodes, Santorini and Mykonos. Mykonos was the last stop before returning to Turkey.^[28] He was later released after police determined it was a case of mistaken identity.^[29]

Hezbollah reportedly denies culpability in the TWA Flight 847 hijacking, among its denials of numerous other attacks that have been attributed to the group.^[30]