On May 16, 1989, the unit had been filming for two months and was due to be finished on May 27. A helicopter took off to film a scene, then veered to the left and plunged into a 40-foot ravine. Four people on board were killed – electricians Don Marshall and Mike Graham and cameraman Gaddi Dansig, along with pilot, Jojo Imperial.
On May 16, 1989, the filming unit was two months into production and scheduled to wrap up on May 27. A helicopter was used for a scene, but it veered sharply left and crashed into a ravine, killing four people: Don Marshall, Mike Graham, Gaddi Dansig, and Jojo Imperial.