Hi Rudy, It may not be 100% correct, but I've always used onboard and aboard as pretty much interchangeable, but it looks like on-board is acceptable. I don't believe on board is proper English but I'll bet there's someone out there ready to prove me wrong! Pasted below what Dictionary.com says. Milt Baker, Nordhavn 47 Bluewater ----- - top definitions <https://www.dictionary.com/browse/onboard?s=t#top-definitions-section> - examples <https://www.dictionary.com/browse/onboard?s=t#examples-section> - explore dictionary <https://www.dictionary.com/browse/onboard?s=t#explore-dictionary-section> onboardor on-board [ on-bawrd, -bohrd, awn- ] ------------------------------ adjective provided, occurring, etc., on a vehicle: among the ship's many onboard services. installed and functional within a vehicle or electronic device: onboard computers for aircraft. verb (used with object) Business. to assist and support (a new employee) in developing the skills, knowledge, attitudes, etc., needed to be successful in the job. to interact and exchange information with (a new customer) so as to ensure customer satisfaction, maximize company revenue, etc.: Part of onboarding new clients involves setting expectations and timelines. - top definitions <https://www.dictionary.com/browse/aboard?s=t#top-definitions-section> - related content <https://www.dictionary.com/browse/aboard?s=t#related-content-section> - examples <https://www.dictionary.com/browse/aboard?s=t#examples-section> - explore dictionary <https://www.dictionary.com/browse/aboard?s=t#explore-dictionary-section> - british <https://www.dictionary.com/browse/aboard?s=t#collins-section> aboard [ uh-bawrd, uh-bohrd ] SEE SYNONYMS FOR aboard ON THESAURUS.COM <https://www.thesaurus.com/browse/aboard> ------------------------------ adverb on board; on, in, or into a ship, train, airplane, bus, etc.: to step aboard. alongside; to the side. Baseball. on base: a homer with two aboard. into a group as a new member: The office manager welcomed him aboard. preposition on board of; on, in, or into: to come aboard a ship. On Tue, Dec 3, 2019 at 12:00 PM <trawlers-request@lists.trawlering.com> wrote: > Send Trawlers-and-Trawlering mailing list submissions to > trawlers@lists.trawlering.com > > To subscribe or unsubscribe via the World Wide Web, visit > > http://lists.trawlering.com/mailman/listinfo/trawlers_lists.trawlering.com > > or, via email, send a message with subject or body 'help' to > trawlers-request@lists.trawlering.com > > You can reach the person managing the list at > trawlers-owner@lists.trawlering.com > > ' >