00F - Broadus (archived*)
00U - Big Horn County (archived*)
1S3 - Tillit Field (archived*)
32S - Stevensville (archived*)
38S - Deer Lodge-City-County (archived*)
3U3 - Bowman Field (archived*)
3U7 - Benchmark (archived*)
3U8 - Big Sandy (archived*)
48S - Harlem (archived*)
4U6 - Circle Town County (archived*)
57S - Troy (archived*)
5U8 - Geraldine (archived*)
6S0 - Big Timber (archived*)
6S3 - Woltermann Memorial (archived*)
6S8 - Laurel Muni (archived*)
79S - Fort Benton (archived*)
7S0 - Ronan (archived*)
7S6 - White Sulphur Springs (archived*)
88M - Eureka (archived*)

8S0 - Starr-Browning Airstrip (archived*)
8S1 - Polson (archived*)
8U6 - Terry (archived*)
97M - Ekalaka (archived*)
9S2 - Scobey (archived*)
9S4 - Mineral County (archived*)
9U0 - Turner (archived*)
BHK - Baker Muni (archived*)
CII - Choteau (archived*)
CTB - Cut Bank Intl (archived*)
EKS - Ennis - Big Sky (archived*)
GDV - Dawson Community (archived*)
GGW - Wokal FieldGlasgow-Valley County (archived*)
HRF - Ravalli County (archived*)
HVR - Havre City-County (archived*)
HWQ - Wheatland County at Harlowtown (archived*)
JDN - Jordan (archived*)
LTY - Liberty County (archived*)
LVM - Mission Field (archived*)

LWT - Lewistown Muni (archived*)
M46 - Colstrip (archived*)
M75 - Malta (archived*)
MLS - Frank Wiley Field (archived*)
OLF - L M Clayton (archived*)
PO1 - Poplar Muni (archived*)
PWD - Sher-Wood (archived*)
RPX - Roundup (archived*)
RVF - Twin Bridges (archived*)
S34 - Plains (archived*)
S59 - Libby (archived*)
S64 - StandfordBiggerstaff Fld (archived*)
S69 - Lincoln (archived*)
S71 - Edgar G Obie (archived*)
S85 - Big Sky Field (archived*)
SBX - Shelby (archived*)
SDY - Sidney-Ruchland Rgnl (archived*)
THM - Thompson Falls (archived*)
WYS - Yellowstone (archived*)