Medium Regional Airport • Helena, MT, United States
Elevation: 3,877 ft (1182 m) • 46.6068, -111.9830
Helena Regional Airport (KHLN / HLN) is a medium regional airport serving Helena, MT, United States, situated at an elevation of 3,877 ft (1182 m) above sea level. Local magnetic variation is 11.7° East. The airport has 6 runways, with the longest measuring 9,000 feet.
METAR KHLN 221053Z AUTO 00000KT 10SM CLR 09/M01 A2950 RMK AO2 SLP977 T00891011
TAF KHLN 220520Z 2206/2306 17008KT P6SM BKN200 FM221500 19020G30KT P6SM SCT070 PROB30 2218/2222 VRB15G25KT 4SM -TSRA OVC050CB FM222200 26013G28KT P6SM OVC050 FM230200 27009KT 6SM -RA OVC030
| Designator | Length | Width | Surface | Heading |
|---|---|---|---|---|
| 05 | 4,644 ft | 75 ft | Asphalt | 66° |
| 09 | 9,000 ft | 150 ft | Asphalt | 103° |
| 16 | 2,989 ft | 75 ft | Asphalt | 179° |
| 23 | 4,644 ft | 75 ft | Asphalt | 246° |
| 27 | 9,000 ft | 150 ft | Asphalt | 283° |
| 34 | 2,989 ft | 75 ft | Asphalt | 359° |
METAR (Meteorological Aerodrome Report) is the standard format for reporting current weather conditions at airports worldwide. Issued every 30–60 minutes, it includes wind direction and speed, visibility, sky condition and cloud heights, temperature, dewpoint, and altimeter setting. Special METARs (SPECI) are issued when conditions change significantly.
TAF (Terminal Aerodrome Forecast) provides a weather forecast for the area within 5 nautical miles of an airport, valid for 24–30 hours. Issued every 6 hours by national weather services, TAFs use FM (from), TEMPO (temporary), BECMG (becoming), and PROB (probability) groups to describe changing conditions.
Flight Categories: VFR ceiling >3,000 ft & vis >5 SM MVFR 1,000–3,000 ft or 3–5 SM IFR 500–1,000 ft or 1–3 SM LIFR <500 ft or <1 SM