What is the longest runway at 40MT?

Silver Creek Airport has 2 runways; the longest is runway 17/35 at 1,460 ft.

What surface are 40MT's runways?

Silver Creek Airport's runways are turf.

Silver Creek Airport runways

Silver Creek Airport (40MT) in Helena, MT has 2 runways , the longest 17/35 at 1,460 ft (turf). Dimensions, headings, lighting, and instrument approaches for each below.

Runway 17/35

1,460 ft × 250 ft · Turf

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Runway 7/25

960 ft × 250 ft · Turf

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Headings shown are true (magnetic variation unavailable).

Runway data from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources.