Terminal Procedures

1S3 — Tillitt Fld

FORSYTH, MT · 2 FAA charts · cycle 6 Aug 2026

Elevation 2,729 ft1 runwayLongest 4,799 ftNon-toweredFuel 100LL avgasVolume NW-1Not for navigation

1 published instrument approach: 1 RNAV (GPS).

All 2 1S3 charts in one download Every approach, departure, arrival and minimums page for this airport, sorted into folders, as a single ZIP. Taken one at a time on the free tier, 2 charts is roughly 13 sec of downloading — they queue one behind another.
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Instrument approach procedures

ChartAmendment
RNAV (GPS) RWY 27 chart previewRNAV (GPS) RWY 272APDF

Takeoff and alternate minimums

ChartAmendment
TAKEOFF MINIMUMS chart previewTAKEOFF MINIMUMSPDF

Minimums pages cover a whole volume, so the same document is shared by every airport in it.

1S3 airport information

Control tower
No
Attendance
Ireg
ARTCC
Salt Lake City Center
Flight service
Great Falls
NOTAM facility
GTF (NOTAM-D available)
Magnetic variation
9E
Beacon
White-green (lighted land airport), sunset to sunrise
Wind indicator
Lighted
Segmented circle
Yes
Fuel
100LL avgas
Airframe service
Major
Powerplant service
Major
Bottled oxygen
None
Parking
Tie-downs
Customs
Landing rights airport
Activated
September 1943
Airport area
266 acres
Ownership
Publicly owned
Sectional
Billings
Last FAA inspection
2025-08-13

From the FAA NASR 28-day subscription, cycle 6 Aug 2026.

1S3 radio frequencies

ServiceFrequencyCall sign
CTAF122.8

Civil VHF frequencies from the FAA NASR 28-day subscription. Discrete sector and military frequencies are not listed.

Runways

4,799 × 75 ft0927N1,000 ft
Runway layout at 1S3, drawn to scale from FAA published runway-end coordinates and true alignments. Runways served by an ILS are highlighted.
RunwayLengthWidth SurfaceLighting
09/274,799 ft75 ftAsphalt GoodMedium intensity
  09 96°TPAPI (2-box) 3°
  27 276°TPAPI (2-box) 3°

Runway and approach-aid data from the FAA NASR 28-day subscription.

Where 1S3 is

Latitude, longitude46.2711510, -106.6239020
Elevation2,729 ft
From Forsyth3 nm E

Paste the coordinates into a simulator’s world map to drop straight onto the field.

FAA remarks for 1S3

  • FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
  • MIRL RY 09/27 OPERS DUSK-2200; AFT 2200 ACTVT - CTAF. ACTVT PAPI RYS 09 & 27 - CTAF.
  • HOME 406-346-7129.

Published verbatim from the FAA NASR subscription. Abbreviations are the FAA's own.

Airports near 1S3

IDAirportCity DistanceCharts
M46ColstripCOLSTRIP, MT25 nm S5
KMLSFrank Wiley FldMILES CITY, MT32 nm E9
00UBig Horn CountyHARDIN, MT54 nm SW3

VFR charts covering 1S3

Common questions about 1S3

What charts are available for 1S3?

2 current FAA charts for Tillitt Fld, including 1 instrument approach. All are free to download as PDFs from this page, from the 6 August 2026 cycle.

What are the radio frequencies for 1S3?

CTAF 122.8. Full civil VHF list, with sector notes, is in the frequencies table on this page — from the FAA NASR subscription.

How long is the runway at 1S3?

Tillitt Fld has 1 runway. The longest is 09/27 at 4,799 ft by 75 ft, asphalt. Full runway dimensions, lighting and approach aids are listed on this page.

Does 1S3 have an ILS approach?

No ILS is published. In total 1S3 has 1 published instrument approach, of which 1 are RNAV (GPS).

Which runway do instrument approaches serve at 1S3?

Every published approach serves one runway end. There is no instrument procedure to the reciprocal direction, so an arrival in instrument conditions commits to that single approach direction regardless of the wind.

Is 1S3 a towered airport?

No — Tillitt Fld has no control tower. Traffic co-ordinates on a common frequency rather than with a controller, which is listed in the frequencies table on this page.

Are these 1S3 charts current?

They are from the FAA cycle effective 6 August 2026, which is superseded on 3 September 2026. We publish each new cycle on its effective date. They are for flight simulation and reference only — not for real-world navigation.

Wider chart sets

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Not for navigation. For flight simulation and reference use only. Procedures are superseded on a 28-day cycle — obtain current official charts from the FAA for real-world flight.

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