Airport information
- FAA LID
- US-4640
- Coordinates
- 38.8388, -104.9440
- Elevation
- 8,865 ft MSL
Detailed FAA facility data isn't available for this airport.
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-20
| Event | Local (MDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 05:02 AM | 11:02Z |
| Sunrise | 05:35 AM | 11:35Z |
| Sunset | 08:28 PM | 02:28Z |
| Evening civil twilight Loggable night begins | 09:00 PM | 03:00Z |
Loggable night (§1.1)
09:00 PM → 05:02 AM
Night currency (§61.57)
09:28 PM → 04:35 AM
Plan a flight from US-4640
Headings shown are true (magnetic variation unavailable).
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| FCS · Butts | VOR-DME | 108.80 | r305° / 12.9 NM |
| BRK · Black Forest | VORTAC | 112.50 | r234° / 15.9 NM |
VFR sectional
No published instrument procedures or Chart Supplement for US-4640. VFR sectional link above.
No published services or facility detail for US-4640.
Nearby airports
CO24 · Penrose Saint Francis Hospital HeliportHeliportPrivate (6 NM)19CO · UCH-MHS Memorial Central HeliportHeliportPrivate (7 NM)KCQJ · Cheyenne Mountain Space Force Station HeliportHeliportPrivate (8 NM)CD79 · Northfield HeliportHeliportPrivate (9 NM)KAFF · USAF Academy AirfieldPrivate (10 NM)US-8192 · Pikes Peak Regional Hospital HeliportHeliport (10 NM)
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 US-4640 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator.