ASSOCIATED AIR FREIGHT INC. (New Hyde Park, N.Y.) - Charles Avner was appointed regional accounting manager for the Mid-Atlantic region at this international air freight forwarder based in Sharon Hill, Pa. He was assistant controller for Shelter Systems Group Corp.
CHEMICAL LEAMAN TANK LINES (Exton, Pa.) - Daniel G. Duffner was promoted to director, national accounts at this bulk truck hauler. He was regional sales manager for the Mid-Atlantic region.
CHICAGO, ILLINOIS & MIDLAND RAILWAY (Springfield, Ill.) - Martha J. Smith was promoted to director of human resources at this 121-mile long short-line railroad. She was manager of personnel.
John D. Singley was named manager of labor relations and safety. He was personnel administrator.
CONTRACT FREIGHTERS INC. (Joplin, Mo.) - Brian Everhart was named regional marketing manager in Los Angeles. He was a marketing manager at Roadway Express Inc.
JAPAN AIRLINES (New York) - Susumo Ashino was appointed senior vice president and general manager for the the Americas. He replaced Akio Nakamura, who returned to Tokyo as chairman of JALPAK, JAL's tour operator subsidiary. Mr. Ashino was senior vice president for airports.
HUB GROUP (Lombard, Ill.) - David P. Yeager was named vice chairman of this shipper's agent, which bills itself as the nation's largest. Mr. Yeager, who joined Hub Group in 1975, remains president of Hub City Terminals Inc. in Downers Grove, Ill.
LANDSTAR SYSTEM INC. (Stamford, Conn.) - Alvin Balgorsky was appointed vice president for national automotive accounts for this truckload carrier. He was vice president, automotive marketing for Ranger Transportation Inc., a Landstar subsidiary.
NORTHERN AIR CARGO (Anchorage, Alaska) - Edward Fisher was appointed president and chief operating officer of this all-cargo airline. He replaced Wilson Hughes, who joined another company. Mr. Fisher was president and chief executive officer of Burlington Environmental Inc.