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1S3

TILLITT FLD

PublicPUB

3 miles E of FORSYTH, MT

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Status

Operational

Coordinates

46° 16' 16"N 106° 37' 26"W

Elevation

2729' MSL

Pattern Alt

3729' MSL

Mag Variation

09E

Fuel

100LL

FSS

GREAT FALLS (GTF)

Sectional

BILLINGS

ARTCC

SALT LAKE CITY (ZLC)

Data Effective

12/25/25-1/22/26

K1S3 VFR

5:55 AM MST RAW

Overcast 11,000'
Broken 9,000'

Viz

10sm

Temp

39°F

Dew

26°F

Pres

29.50"Hg

Wind

190° 3kts

RMK

AO2 T00401032 $

METAR K1S3 071255Z AUTO 19003KT 10SM BKN090 OVC110 04/M03 A2950 RMK AO2 T00401032 $

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Tillitt Field

UNICOM: 122.8

Phone: (406) 351-1261

Other: (406) 351-1086

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Other

As of 12/22/2025	100LL	JET A	JET A (FSII)	MOGAS	UL94
Self Serve	5.20
Full Serve

Fuel Notes

Prices include tax

Your Information

Business

UNICOM 122.8 CTAF 122.8

AWOS-3PT

406-346-2571

121.125

FAA A/FD Pages

FAA A/FD Page

Airport Diagrams

No Documents

Airport Minimums

TAKEOFF MINIMUMS

Departure Procedures

No Documents

Hotspot

No Documents

Standard Term. Arrival

No Documents

Instrument Approach

RNAV (GPS) RWY 27

Terminal Area Forecast

KMLS (32nm)

RAW

Reported

Wed, 1/7 4:37 AM MST

Valid

Wed, 1/7 5:00 AM MST - Thu, 1/8 5:00 AM MST

VFR

5:00 AM MST - 12:00 PM MST

Broken 10,000'

Viz

6sm

Wind

170° 7kts

VFR

12:00 PM MST - 2:00 PM MST

Broken 10,000'

Viz

6sm

Wind

250° 9kts

VFR

2:00 PM MST - 5:00 PM MST

Broken 12,000'

Viz

6sm

Wind

310° 12kts

Gusts 22kts

VFR

5:00 PM MST - 11:00 PM MST

Broken 15,000'

Viz

6sm

Wind

310° 9kts

VFR

11:00 PM MST - 5:00 AM MST

Broken 20,000'

Viz

6sm

Wind

VRB° 6kts

TAF KMLS 071137Z 0712/0812 17007KT P6SM BKN100
   FM071900 25009KT P6SM BKN100
   FM072100 31012G22KT P6SM BKN120
   FM080000 31009KT P6SM BKN150
   FM080600 VRB06KT P6SM BKN200

1S3

Effective	Expires	NOTAM
Domestic
12/29/25 1750Z	2/12/26 0500Z	!GTF 12/372 1S3 OBST TOWER LGT (ASR 1248827) 461741.30N1061459.60W (15.6NM E 1S3) 3188.0FT (488.8FT AGL) U/S 2512291750-2602120500
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

ATC Tower

Attendance

IREG

Owner

COUNTY OF ROSEBUD
P.O. BOX 47
FORSYTH, MT 59327
Phone: (406) 346-2251

Manager

BRIAN SCHWEND
PO BOX 45
FORSYTH, MT 59327
Phone: 406-346-7129

FSS

GREAT FALLS FSS (GTF)
Toll Free: 1-800-WX-BRIEF

NOTAM

GTF

Light Schedule

Lights

MIRL RY 09/27 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 09 & 27 - CTAF.

Beacon

N/A

Wind Indicator

Yes - Lighted

Segmented Cir.

Yes

Landing Fee

Parking

Hanger, Tie-Down

Int'l Operations

NOT a Landing Rights Airport
NOT an Airport of Entry

Airframe Repair

Major

Pwrplant Repair

Major

Bottled Oxygen

None

Bulk Oxygen

None

Other Services

Pilot Instruction

Runway 09/27

Dimensions

4799 ft. x 75 ft.

Surface Type

ASPH

Surface Cond

Good

Treatment

NONE

Rwy Edge Lgts

MED

Pavement Class

Single Wheel

28,000lbs

Double Wheel

44,000lbs

Double Tandem

Dual Dbl Tand

	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

A110-1

FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.

TILLITT FLD (IATA: 1S3) is a public airport located in FORSYTH, MT.

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