September 1, 1957


August 1, 1960


July 5, 1964


No Date,
Same as December 1, 1970

AirTimes Home Page

HomeCollector's GuideIndexUSAChicago Helicopter

 

Timetable Image Gallery including PDF links

Timetable Publication Dates

 

Class 1A - 
System Timetables
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
40
41
42
43
44
45
46
47
48
59
50
51 		11-01-56
01-01-57
04-01-57
05-01-57
06-01-57
09-01-57
11-01-57   standard format
11-01-57   card format
FEB   58---MAR   58
04-01-58
05-01-58
07-01-58
09-01-58
NOV   58---DEC   58
04-01-59
05-01-59
07-01-59
09-01-59
10-01-59
11-01-59
12-01-59
03-01-60
04-01-60
05-01-60
06-01-60
07-01-60
08-01-60
11-01-60
12-01-60
05-01-61
06-10-61
10-01-61
11-01-61
02-01-62
04-01-62
05-01-62
09-01-62
04-01-63
07-01-63
01-01-64
07-05-64
11-01-64
12-01-64
01-04-65
09-01-65
05-29-69
11-14-69
12-01-70
NO  DATE    @12-01-70
05-01-74

Contributor to this page

bullet Paul Frie
bullet David H. Stringer
bullet William White

If you know of additional publication dates for CHA timetables, please email
psloan@airtimes.com

Updated March 3, 2026
Copyright (c) 1997-2026 Perry A Sloan - All Rights Reserved