Built as a piston powered 340 for United Airlines and delivered in December 1953 as N73142. Converted to a 580 for Lake Central Airlines / Allegheny Airlines in 1967 (N5837), it would later fly with Commuter Airlines and Freedom Airlines. Air Ontario added it to their fleet in 1984. Sold to Canair Cargo in 1990, the freighter was scrapped at Saint Jean, QC in 1994.

Delivered new in 2007 and was recently repainted in the revised livery. Here departing to Calgary.

Built in 1953 as N73142 a CV340 for United Airlines, it was converted to a CV580 by Pacific Airmotive at Burbank in 1967 and acquired by Air Ontario in 1984. It was bought by Canair Cargo in 1990 but from there its ownership becomes confused, however what is known is that in November 1992 C-GGWJ, hotly pursued by Canadian Armed Forces CF-18 fighters, landed at Casey Emergency Airstrip north-east of Montreal and was found to be loaded with 4,343 kilos of cocaine flown from Colombia and said to have a street value of C$ 2.7 billion. The aircraft was later flown out and broken up at St. Jean, QC.

Ex Viscount Air Service N311VA, registered 17th Dec 1997 and made its last flight into KGRD (Greenwood) 1st July 2005. Re-registered N740AP 12th July 2005 and scrapped