B70 — Tiber Dam Airport, Chester, MT

Non-ToweredChester, MT • ICAO: KB70 • 3,023' MSL

B70 WeatherLive METAR & TAF

B70 has 1 runway. The longest is 12/30 at 2,550 ft × 90 ft (turf).

12/30No runway lights2,550 ft × 90 ftTurf

FAA NASR data, cycle 2026-09-03

B70 field elevation is 3,023 ft MSL. The standard traffic pattern altitude at B70 is 4,020 ft MSL (1,000 ft AGL).

Field elevation3,023 ft MSL

Pattern altitude4,020 ft MSL1,000 ft AGL · standard

Control towerNon-towered

FAA NASR data, cycle 2026-09-03

CTAF 122.9 MHz — B70 is non-towered; self-announce position and intentions on CTAF.

CTAF122.9

Check KB70 against your personal minimums, plan a route to it, and see the best runway for the current wind — free.

No, B70 is a non-towered airport. The CTAF frequency is 122.9 MHz.

B70 has 1 runway (12/30). The longest runway is 2,550 feet.

B70 uses the standard traffic pattern altitude of 1,000 feet AGL — about 4,020 feet MSL at a field elevation of 3,023 feet.

B70 (Tiber Dam Airport) has a field elevation of 3,023 feet MSL.

B70 (Tiber Dam Airport) is located in Chester, MT.