Tillitt Field

1S3 · Forsyth, MT · Non-towered · Print kneeboard

Elevation
2,729 ft MSL
Longest runway
4,799 ft 08/26
Runway
1
Mag var
9E

Nearby now

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Weather

METAR observed

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TAF forecast

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Sun & FAA night2026-08-04 · night begins 09:07 PM
EventLocal (MDT)UTC
Morning civil twilight
Loggable night ends
05:17 AM11:17Z
Sunrise05:51 AM11:51Z
Sunset08:33 PM02:33Z
Evening civil twilight
Loggable night begins
09:07 PM03:07Z
Loggable night (§1.1)
09:07 PM → 05:17 AM
Night currency (§61.57)
09:33 PM → 04:51 AM

Plan a flight from 1S3

Winds aloft NOAA forecast · 3,000 to 53,000 ft

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Advisories

NOTAMs

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Pilot reports

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Airspace hazards

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Runways

5,000 ftNMNxw 177°downwind 087°base 357°final 267°45° entry2608

RWY 26LEFT traffic

Heading
267° mag · 276° true
Dimensions
4,799 × 75 ft
TPA
3,700 ft MSL (≈1,000 AGL) · standard
Surface
ASPH-G
CTAF
122.8

Enter the left downwind (heading 087°) on the 45° at 3,700 ft MSL (≈1,000 AGL).

Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)

ft · ≥1.5× comfortable, under 1.25× tight · saved across airports

Prefer one flat page? Full runway details for 1S3 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 1S3 kneeboard →

Comms & NavAids

Communication frequencies

Before taxi

“Miles City”
ASOS/AWOS
121.125

Taxi & takeoff

“Miles City”
CTAF
122.8
UNICOM
122.8

Also

Flight service
122.2 126.85 LOW
By procedure & sector (1 frequencies)
FrequencyUsed by
305.2MILES CITY RCAG (LOW)

Source: FAA NASR (current 28-day cycle).

Nearby navigation aids

MLS 112.10
NavAidTypeFreq · chRangeRadial / Dist magnetic
MLS · Miles City VOR/DME 112.10 · 58X High r248° / 28.6 NM

Prefer one flat list? All 1S3 frequencies →

Charts & procedures

Airport

VFR sectional →

Airport info

Airport information

FAA LID
1S3
Coordinates
46.2711, -106.6240
Elevation
2,729 ft MSL
Magnetic variation
9E
Sectional chart
BILLINGS
Airport use
Public
Control tower
No
Weather station
AWOS-3PT · 121.125 · ☎ 406-346-2571
ARTCC
SALT LAKE CITY (ZLC)
Flight service (FSS)
GREAT FALLS · 122.2 · 1-800-WX-BRIEF
NOTAM facility
GTF
Attendance
IREG
Beacon
white-green (SS-SR)
Segmented circle
Yes
Wind indicator
lighted
Activated
1943/09
Distance from city
3 E

Night operations

Airport lighting
SEE RMK
Rotating beacon
white-green · SS-SR
Pilot-controlled lighting
MIRL RY 09/27 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 09 & 27 - CTAF. on 122.8Chart Supplement ↗

FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.

Services fuel · repairs · oxygen · attendance
Fuel available
100LL
Bottled oxygen
NONE
Bulk oxygen
NONE
Airframe service
MAJOR
Powerplant service
MAJOR
Parking
tiedowns, hangars
Other services
Instruction
Ownership & management 2 contacts
Owner
COUNTY OF ROSEBUD
P.O. BOX 47, FORSYTH, MT
(406) 346-2251
Manager
BRIAN SCHWEND
PO BOX 45, FORSYTH, MT
406-346-7129
Remarks FAA · 3 notes

General

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

Lighting

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

Contact

  • HOME 406-346-7129.

Nearby airports

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Also nearby: 6U7 Hysham Airport (24 NM) · M46 Colstrip Airport (25 NM) · MT29 Sunday Creek Airpark (private) (34 NM) · 3U4 Saint Labre Mission Airport (42 NM) · 04MT Pluhar Airport (52 NM)

About 1S3

Tillitt Field (1S3) is an airport in Forsyth, MT, at 2,729 ft MSL. It has 1 runway, the longest 4,799 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 1S3, refreshed from the Aviation Weather Center and FAA NASR.

Does 1S3 have a control tower?

No. Tillitt Field is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.

What is the longest runway at 1S3?

Tillitt Field has 1 runway; the longest is 4,799 ft. See the Runways section for headings, surface, and lighting.

Where is 1S3?

Tillitt Field is in Forsyth, MT, at an elevation of 2,729 ft MSL. Coordinates: 46.2711, -106.6240.

Fly out of 1S3 often?

Save 1S3 as your home base in the SkyReady app for a one-tap Go/No-Go readiness brief, weather alerts, and automatic FAA currency — free to log.

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Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 1S3 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.