A handful of the nearly 5,000 Boeing 737-800 aircraft produced have been involved in fatal crashes, but the jet is generally reliable and safe.

A widely used Boeing aircraft, the 737-800, was involved in Sunday’s crash-landing of a Jeju Air flight that killed 179 people.

Boeing Co.’s stock was down Monday after a deadly crash in South Korea, but its bonds were holding up. Boeing Co.’s stock fell Monday in the wake of a deadly plane crash in South Korea, but the aerospace giant’s bondholders seemed unfazed.