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1S3
TILLITT FLD
PublicPUB

3 miles E of FORSYTH, MT
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LiveATC.net: Live Air Traffic - From Their Headsets to You
Operational
46° 16' 16"N 106° 37' 26"W
2729' MSL
3729' MSL
09E
100LL
GREAT FALLS (GTF)
BILLINGS
SALT LAKE CITY (ZLC)
4/17/25-5/15/25
KMLS (32nm) MVFR
1:53 AM MST  
Overcast 10,000'
Broken 2,600'
Few 1,300'
10sm
29°F
27°F
30.33"Hg
Calm
AO2 SLP298 T10171028 53010
METAR KMLS 270853Z AUTO 00000KT 10SM FEW013 BKN026 OVC100 M02/M03 A3033 RMK AO2 SLP298 T10171028 53010
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122.8 122.8

AWOS-AV

AWOS-AV
406-346-2571
 122.8

FAA A/FD Pages

Airport Diagrams

  • No Documents

Airport Minimums

Departure Procedures

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Standard Term. Arrival

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Instrument Approach

Terminal Area Forecast

KMLS (32nm)
Wed, 11/26 10:21 PM MST
Wed, 11/26 11:00 PM MST - Thu, 11/27 11:00 PM MST
VFR
11:00 PM MST - 3:00 AM MST
Overcast 7,000'
Scattered 2,000'
6sm
VRB° 5kts
MVFR
Temporary 11:00 PM MST - 3:00 AM MST
Broken 2,000'
N/A
Calm
MVFR
3:00 AM MST - 6:00 AM MST
Mist
Overcast 1,200'
Scattered 700'
3sm
010° 5kts
IFR
6:00 AM MST - 12:00 PM MST
Mist
Overcast 700'
Few 200'
1sm
020° 6kts
VFR
12:00 PM MST - 9:00 PM MST
Broken 10,000'
Few 1,200'
6sm
090° 9kts
MVFR
9:00 PM MST - 11:00 PM MST
Light Snow and Mist
Overcast 1,200'
6sm
100° 12kts
TAF KMLS 270521Z 2706/2806 VRB05KT P6SM SCT020 OVC070
   TEMPO 2706/2710 BKN020
   FM271000 01005KT 3SM BR SCT007 OVC012
   FM271300 02006KT 1SM BR FEW002 OVC007
   FM271900 09009KT P6SM FEW012 BKN100
   FM280400 10012KT 6SM -SN BR OVC012
1S3
EffectiveExpiresCategoryNOTAM
Domestic
10/31/25
1906Z
12/31/25
2359Z
!GTF 10/168 1S3 OBST TOWER LGT (ASR 1002856) 461032.00N1062423.00W (10.7NM ESE 1S3) 3873.0FT (703.1FT AGL) U/S 2510311906-2512312359
FDC
5/5/25
2123Z
!FDC 5/6184 1S3 IAP TILLITT FLD, FORSYTH, MT.
RNAV (GPS) RWY 27, AMDT 2...
CIRCLING CATS B/C MDA 3380/HAA 651.
2505052123-2705052123EST
No
IREG
COUNTY OF ROSEBUD
P.O. BOX 47
FORSYTH, MT 59327
Phone: (406) 346-2251
BRIAN SCHWEND
PO BOX 45
FORSYTH, MT 59327
Phone: 406-346-7129
GREAT FALLS FSS (GTF)
Toll Free: 1-800-WX-BRIEF
GTF
--
MIRL RY 09/27 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 09 & 27 - CTAF.
N/A
Yes - Lighted
Yes
No
Hanger, Tie-Down
NOT a Landing Rights Airport
NOT an Airport of Entry
Major
Major
None
None
Pilot Instruction

Runway 09/27

4799 ft. x 75 ft.
ASPH  
Good 
NONE 
MED 
 
28,000lbs 
44,000lbs 
-- 
-- 
  Runway 09 Runway 27
True Heading 96°276°
Traffic Pattern Left Left
Markings NPI NPI
Markings Condition GOOD GOOD
Latitude 46° 16' 19"N 46° 16' 13"N
Longitude 106° 37' 60"W 106° 36' 52"W
Elevation 2,729' 2,728'
Threshold Crossing Height 29 ft. AGL 29 ft. AGL
Visual Glide Path Angle 3° 3°
Visual Slope Indicator P2L P2L
Approach Lights
Centerline Lights
Runway End Identifier Lights
A110-1FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
TILLITT FLD (IATA: 1S3) is a public airport located in FORSYTH, MT.