Tiber Dam Airport
B70 · Chester, MT · Non-towered · Print kneeboard
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Weather
METAR observed
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TAF forecast
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Sun & FAA night2026-08-07 · night begins 09:28 PM
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:32 AM | 11:32Z |
| Sunrise | 06:07 AM | 12:07Z |
| Sunset | 08:52 PM | 02:52Z |
| Evening civil twilight Loggable night begins | 09:28 PM | 03:28Z |
Plan a flight from B70
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
Airspace hazards
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Runways
RWY 12LEFT traffic
- Heading
- 103° mag · 120° true
- Dimensions
- 2,550 × 90 ft
- TPA
- 4,000 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
- CTAF
- 122.9
Enter the left downwind (heading 283°) on the 45° at 4,000 ft MSL (≈1,000 AGL).
More details — RWY 12
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
| Runway | Length | Your margin |
|---|---|---|
| 12/30 | 2,550 ft |
Prefer one flat page? Full runway details for B70 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the B70 kneeboard →
Comms & NavAids
Communication frequencies
Taxi & takeoff
Source: FAA NASR (current 28-day cycle).
Prefer one flat list? All B70 frequencies →
Charts & procedures
Airport info
Airport information
- FAA LID
- B70
- Coordinates
- 48.3137, -111.1081
- Elevation
- 3,023 ft MSL
- Magnetic variation
- 17E
- Sectional chart
- GREAT FALLS
- Airport use
- Public
- Control tower
- No
- ARTCC
- SALT LAKE CITY (ZLC)
- Flight service (FSS)
- GREAT FALLS · 122.3 · 1-800-WX-BRIEF
- NOTAM facility
- GTF
- Attendance
- UNATNDD
- Segmented circle
- Yes
- Wind indicator
- yes
- Activated
- 1988/04
- Distance from city
- 1 SW
Night operations
- Pilot-controlled lighting
- Usually keyed on CTAF 122.9 — confirm the click sequence in the Chart 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
- Parking
- tiedowns
Ownership & management 2 contacts
Remarks FAA · 5 notes
General
- NO SNOW REMOVAL.
- RY 12/30 MAY BE ROUGH.
- FOR CD CTC SALT LAKE ARTCC AT 801-320-2568.
- ROAD XNG RWY NEAR MIDPT.
Runways
- 12/30 MARKED WITH WHITE CONES FULL LENGTH SPACED EVERY 200 FT.
Nearby airports
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Also nearby: KLTY Liberty County Airport (13 NM) · MT02 Hellinger Airport (21 NM) · 45MT Pester Airport (private) (32 NM) · 79S Fort Benton Airport (34 NM) · S01 Conrad Airport (36 NM)
About B70
Tiber Dam Airport (B70) is an airport in Chester, MT, at 3,023 ft MSL. It has 1 runway, the longest 2,550 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for B70, refreshed from the Aviation Weather Center and FAA NASR.
Does B70 have a control tower?
No. Tiber Dam Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at B70?
Tiber Dam Airport has 1 runway; the longest is 2,550 ft. See the Runways section for headings, surface, and lighting.
Where is B70?
Tiber Dam Airport is in Chester, MT, at an elevation of 3,023 ft MSL. Coordinates: 48.3137, -111.1081.
Fly out of B70 often?
Save B70 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.
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 B70 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.