TEXAS INTERNATIONAL AIRLINES JULY 1, 1970
TEXAS INTERNATIONAL AIRLINES APRIL 1, 1973
TEXAS INTERNATIONAL AIRLINES MARCH 15, 1978
TEXAS INTERNATIONAL AIRLINES SEPTEMBER 6, 1978   
TEXAS INTERNATIONAL AIRLINES APRIL 1, 1979
TEXAS INTERNATIONAL AIRLINES JUNE 1, 1980
TEXAS INTERNATIONAL AIRLINES OCTOBER 1, 1980    
TEXAS INTERNATIONAL AIRLINES APRIL 1, 1981
TEXAS INTERNATIONAL AIRLINES JULY 15, 1981
TEXAS INTL./CONTINENTAL AIRLINES JUNE 1, 1982
Airline Route Maps
(Page 17 of 20)
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TRANSAMERICA AIRLINES MAY 1, 1982
TRANSAMERICA AIRLINES MAY 1, 1984
TAHOE AIR JULY 1, 1999
SWIFT AIRE LINES AUGUST 1, 1976
SWIFT AIRE LINES JULY 1, 1979
SWIFT AIRE LINES APRIL 20, 1980  
SWIFT AIRE LINES AUGUST 3, 1980  
SWIFT AIRE LINES APRIL 1, 1981
SWIFT AIRE LINES JUNE 1, 1981   
SWIFT AIRE
TENNESSEE AIRWAYS JULY 17, 1978  
TENNESSEE AIRWAYS NOVEMBER 15, 1979
TENNESSEE AIRWAYS MARCH 2, 1981
TENNESSEE AIRWAYS MAY 1, 1982
TENNESSEE AIRWAYS MAY 1, 1983   
TENNESSEE AIRWAYS MARCH 4, 1984
TENNESSEE AIRWAYS MAY 6, 1985   
TENNESSEE
AIRWAYS
TRANS-CENTRAL AIRLINES AUGUST 1, 1980  
TRANS-CENTRAL AIRLINES APRIL 1, 1981  
TRANS-CENTRAL AIRLINES FEBRUARY 1, 1982  
TRANS-CENTRAL AIRLINES APRIL 24, 1983
TRANS-CENTRAL AIRLINES SEPTEMBER 15, 1983
TRANS-CENTRAL AIRLINES MAY 1, 1984
TEXAS AIRLINES FEBRUARY 15, 1985
SUSQUEHANNA AIRLINES JUNE 6, 1983
SUSQUEHANNA AIRLINES FEBRUARY 15, 1985
TRANS AIR FEBRUARY 15, 1985
TEJAS AIRLINES NOVEMBER 15, 1979
TIME AIR NOVEMBER 15, 1979
TIME AIR OCTOBER 27, 1985  
TIME AIR MAY 1, 1988
TIME AIR MAY 1, 1989
TRANSAIR (CANADA) MAY 25, 1976
TEXAS NATIONAL AIRLINES NOVEMBER 5, 1984
TEXAS NATIONAL AIRLINES JULY 1, 1985
TRANS AMERICAN
TRANS AMERICAN AIRWAYS AUGUST 1, 1976  
TORONTAIR FEBRUARY 15, 1986