Imagine a corporate flight department with five long-range business jets that makes up to 15 transits of the South Pacific a year.

Bronte Marshall, chief pilot at Oakland-based KaiserAir Inc., urges flight crews to be flexible in spotting relief flight crews on long overwater missions. That advice is based on hard experience involving a crew exchange that wound up being complicated by an unforeseen weather event.

Chris Strand, lead pilot for Amway Corporation’s BBJ and a member of the NBAA International Operations Committee, learned a few things about fuel reserves when flying the Pacific as a navigator in Navy EP3s (the electronic warfare version of the venerable Lockheed P3, the navalized variant of the four-engine Electra turboprop).