This Convair Metropolitan was an upgrade in equipment for Southern Ontario commuters when Great Lakes bought two aircraft from Swissair in 1969. Three ex- Linjeflyg and one ex-Luftwaffe 440 followed before the airline switched to Convair 580s beginning in 1976.

Was the airline prior the name change to Air Ontario.

In 1969, Great Lakes Airlines began upgrading their fleet with two Convair 440s bought from Swissair. Four more 440s were brought on-line before the airline switched to Convair 580s around 1976. This is former HB-IMK "Neuchatal", that was originally flown in the basic Swissair colors, until the next aircraft from Linjeflyg introduced a new color scheme based on that airline's cheat lines. To Key Air Lines in 1976as N30KA, the aircraft eventually sat out it's days in Florida after the mid 90s. The registration was cancelled in 2012.

Delivered new to SAS as OY-KPA in April 1956, and Linjeflyg as SE-CCG from November 1969. Operated by Great Lakes from December 1973 until February 1977.

Ex HB-IMG with Swissair, and still in their colors.

Previously HB-IMK with Swissair, in case the livery looks familiar.

Starting out as a 1953 440 for United Airlines, this Convair was with Lake Central Airlines when it was converted to a 580 in December 1966. Merged with Allegheny Airlines in 1968, it was withdrawn and stored at Marana, AZ in the mid 70s until sold to Great Lakes in August 1976. Renamed Air Ontario in 1981, the Convair left Canada in 1988. Written off during a maintenance ground run when the main undercarriage collapsed and the propeller damaged the fuselage at Brownsville-South Padre Island International Airport, Tx January 18, 2018. It was registered XA-TRB with Air Tribe.

Recently withdrawn from service when this pix was taken. Built as a DC-3-277, and flew with AA as NC17340. Sold to Ozark and converted to DC-3A, first N17340 then N131D.

Built for United as a CV340-31, N73138, and delivered 6/53. Sold to Lake Central 3/61 and converted to 580 3/67. Other regns were N5846 and N203RA.

This 1952-vintage airframe was built as CV-340 "Mainliner Chicago" for United and was converted to turboprop while with Lake Central (still as N73118) in 8.66. Merged into Allegheny 8.68 becoming N5840; to Great Lakes 4.76, renamed Air Ontario 1.81. Sold as OO-VGH for EAT in 7.87 then DHL; hard landing at BRU and wfu 9.91, scrapped by 12.94

This Convairliner was originally delivered to Scandinavian Airlines April 24, 1956 as OY-KPA, christened "Hans Viking". Passed on to Lynjeflyg in 1969, it came to Great Lakes as they commenced an expansion with Convair 440s in 1973. Exported to the USA in 1977 as the airline upgraded to the Convair 580. It was flying freight with Island Air Hawaii as N21DR when it suffered an engine failure on take off from Honolulu and was forced to ditch in Pearl Harbor Channel January 17, 1982.

This Convarliner was built as a 340 in 1954, converted to a 440 in 1960 and finally to a 580 in 1967. Great Lakes bought the aircraft from Allegheny Airlines in 1977 when they began replacing their 440s.

Classic Convairliner delivered to SAS as SE-CCM July 20, 1956 and transferred to Linjeflyg January 1963. It was bought by Great Lakes in June 1974 along with three other ex-Linjeflyg and two ex-Swissair Convairs to start scheduled service between Sarnia and Ottawa with stops in London and Toronto. This one was exported to the USA in 1977 as N25DR when Great Lakes upgraded the fleet to 580s from Allegheny Airlines.

Previously operated by Swissair as HB-IMK. Served Great Lakes from December 1969 until 1976.

Previously N7600, N100A, N200A, N73158, N5838 and later OO-DHF, EC-HJU and ZS-SKH. It was shot down over Congo on 27th April 2006