Aeronautics. Accidents 4 Mt. Bell company officials killed in crash in Adams county. RMN Ap 4, 1977 p.1,6 Post Ap 4, 1977 p.1,3 2 men killed in twin-engine crash at Arapahoe County Airport. Ra my 1, 1977 p.16 Unidentified pilot dies in light plane crash near Loveland ski area. RMN My. 2, 1977 p.6 Body of New Mexico rancher moved from crash scene on southeast slope of Trinchera Peak. RMN My 27s 1977 p.41