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1S3

Local 1S3

TILLITT FLD

PublicPUB

3 miles E of FORSYTH, MT, US

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Status

Operational

Coordinates

46° 16' 16"N 106° 37' 26"W

Elevation

2729' MSL

Pattern Alt

3729' MSL

Mag Variation

9°E

Declination

9°E

Fuel

100LL

FSS

GREAT FALLS (GTF)

Sectional

BILLINGS

ARTCC

SALT LAKE CITY (ZLC)

Data Effective

7/9/26-8/6/26

K1S3 VFR

7:35 PM MDT RAW

No Clouds

Viz

10sm

Temp

97°F

Dew

51°F

Pres

29.81"Hg

Wind

300° 15kts

Gusts 22kts

RMK

AO2 LTG DSNT SE PRESRR T03630107 $

METAR K1S3 260135Z AUTO 30015G22KT 10SM 36/11 A2981 RMK AO2 LTG DSNT SE PRESRR T03630107 $

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Tillitt Field

UNICOM: 122.8

Phone: (406) 351-1261

Other: (406) 351-1086

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Other

As of 7/20	100LL	JET A	JET A (FSII)	MOGAS	UL94
Self Serve	5.50
Full Serve

Fuel Notes

Prices include tax

Your Information

Business

Weather and Advisory

AWOS-3PT	121.125
(406) 346-2571

Common

CTAF	122.8
MIRL RY 09/27 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 09 & 27 - CTAF.
UNICOM	122.8

Center

SALT LAKE CENTER	126.85
LOW, APCH/DEP CTL SVC PRVDD BY SALT LAKE ARTCC (ZLC) ON 126.85/305.2 (MILES CITY RCAG).

Flight Service

Flight Service	122.2
(GTF), COMMUNICATIONS PRVDD BY GREAT FALLS RADIO ON 122.2 (MILES CITY RCO).

Terminal Area Forecast

KMLS (32nm)

RAW

Reported

Sat, 7/25 5:21 PM MDT

Valid

Sat, 7/25 6:00 PM MDT - Sun, 7/26 6:00 PM MDT

VFR

6:00 PM MDT - 12:00 AM MDT

Broken 18,000'
Scattered 12,000'

Viz

6sm

Wind

VRB° 6kts

VFR

7:00 PM MDT - 12:00 AM MDT

Light Thunderstorm and Rain

Broken 10,000'

Viz

N/A

Wind

VRB° 25kts

Gusts 40kts

VFR

12:00 AM MDT - 9:00 AM MDT

Scattered 15,000'

Viz

6sm

Wind

VRB° 6kts

VFR

9:00 AM MDT - 6:00 PM MDT

Sky Clear

Viz

6sm

Wind

350° 12kts

TAF KMLS 252321Z 2600/2624 VRB06KT P6SM SCT120 BKN180
   PROB30 2601/2606 VRB25G40KT -TSRA BKN100CB
   FM260600 VRB06KT P6SM SCT150
   FM261500 35012KT P6SM SKC

1S3

Effective	Expires	Category	NOTAM
Domestic
6/2/26 0457Z	8/31/26 0457Z		!GTF 06/007 1S3 OBST TOWER LGT (ASR 1248827) 461741.30N1061459.60W (15.6NM E 1S3) 3188.0FT (488.8FT AGL) U/S 2606020457-2608310457

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.
A16	HOME 406-346-7129.
A81-APT	MIRL RY 09/27 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 09 & 27 - CTAF.

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

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