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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

11/27/25-12/25/25

K1S3 VFR

9:15 AM MST RAW

Overcast 19,000'
Broken 17,000'
Broken 15,000'
Broken 12,000'

Viz

10sm

Temp

49°F

Dew

31°F

Pres

29.21"Hg

Wind

190° 8kts

RMK

AO2 T00931008 $

METAR K1S3 171615Z AUTO 19008KT 10SM BKN120 BKN150 BKN170 OVC190 09/M01 A2921 RMK AO2 T00931008 $

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Tillitt Field

UNICOM: 122.8

Phone: (406) 351-1261

Other: (406) 351-1086

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Other

As of 12/15	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, 12/17 4:37 AM MST

Valid

Wed, 12/17 5:00 AM MST - Thu, 12/18 5:00 AM MST

VFR

5:00 AM MST - 6:00 AM MST

Scattered 20,000'
Few 10,000'

Viz

6sm

Wind

170° 8kts

VFR

6:00 AM MST - 1:00 PM MST

Showers in vicinity

Broken 20,000'

Viz

6sm

Wind

170° 9kts

MVFR

8:00 AM MST - 1:00 PM MST

Light Showers and Rain

No Clouds

Viz

5sm

Wind

Calm

VFR

1:00 PM MST - 7:00 PM MST

Few 10,000'

Viz

6sm

Wind

270° 22kts

Gusts 35kts

VFR

7:00 PM MST - 1:00 AM MST

Broken 5,000'
Scattered 3,500'

Viz

6sm

Wind

280° 40kts

Gusts 50kts

LIFR

1:00 AM MST - 5:00 AM MST

Blowing Snow

Overcast 2,500'

Viz

0.5sm

Wind

320° 38kts

Gusts 47kts

TAF KMLS 171137Z 1712/1812 17008KT P6SM FEW100 SCT200
   FM171300 17009KT P6SM VCSH BKN200 WS020/23035KT
   PROB30 1715/1720 5SM -SHRA
   FM172000 27022G35KT P6SM FEW100
   FM180200 28040G50KT P6SM SCT035 BKN050
   FM180800 32038G47KT 1/2SM BLSN OVC025

1S3

Effective	Expires	NOTAM
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

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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