navigation certificate造句

However, the navigation certificates would be delivered on a plane-by-plane basis according to the modifications made, said Gerard Le Houx, a spokesman for French civil aviation authorities.
The excursion boat, carrying 139 French tourists, was operating without a navigation certificate issued by the government's Marine Department once a craft has been tested, the national news agency Efe said.
The navigation certificates would be delivered on a " plane-by-plane " basis as modifications proposed by the Concorde's manufacturer, Airbus, are made, Gerard Le Houx, a spokesman for French civil aviation authorities, said.
The excursion boat, with 139 retired French tourists aboard, was operating without the required navigation certificate that is issued by the government's Marine Department once a craft has carried out series of tests, the national news agency Efe said.
Candidates who hold the Certificate of Satisfactory Completion of the RYA / MCA Yachtmaster Ocean Shorebased Course, a Royal Navy Ocean Navigation Certificate or an MCA Certificate of Competence as a Deck Officer are exempt from the written examination.
It's difficult to find navigation certificate in a sentence. 用navigation certificate造句挺难的

By 1954 the Marines had been found to be functioning well and it was hoped to extend their functions to the manning of guns on defensively equipped merchant ships and the manning of coast defence vessels, such as the Gelderland ( for which purpose officers would have obtained the Board of Trade Navigation Certificate ).