Air Canada

C

54 - 59

American

A

11,12 & 16

America West

A

19 - 20

Continental

C

51 - 53

Delta/Delta Express

B

37 - 40

Delta Connection/Comair

B

37

Midwest Express

C

63 - 64

Northwest

C

60 - 62

Redwing

C

54 - 57

Southwest

B

26 - 31

Trans World (TWA)

B

34 - 35

United

C

54 - 57

US Airways

A

5 - 8

US Airways Express 

A

1 - 2

Vanguard

B

32, 32A,36A, 36B,36C