GrandView Aviation, one of the nation's leading private jet charter operators, held its annual all-day/all-employee Safety Stand Down at the company’s Martin State Airport (KMTN) hangar in Middle River. GrandView maintains impressive safety ratings from the industry’s top associations: ARGUS Gold, IS-BAO Stage 2 Operator, and late last year the company was certified WYVERN Wingman PRO, aviation’s highest safety standard earned by only 15 other operators in the world.