Castle Mountain Airstrip Private
48AK · Sutton/Chickaloon, AK · 1,010 ft elevation · var 26E · Non-towered
Airport information
- FAA LID
- 48AK
- Coordinates
- 61.7960, -148.4942
- Elevation
- 1,010 ft MSL
- Magnetic variation
- 26E
- Sectional chart
- ANCHORAGE
- Airport use
- Private
- Control tower
- No
- ARTCC
- ANCHORAGE (ZAN)
- Flight service (FSS)
- KENAI
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1988/04
- Distance from city
- 3 E
Weather
METAR observed
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TAF forecast
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Sun & FAA night 2026-06-21
| Event | Local (AKDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | n/a | n/a |
| Sunrise | 04:06 AM | 12:06Z |
| Sunset | 11:45 PM | 07:45Z |
| Evening civil twilight Loggable night begins | n/a | n/a |
Plan a flight from 48AK
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 in the live weather panel above.
Traffic pattern
- Landing
- Rwy 12
- Pattern
- left (turns left)
- TPA
- 2,000 ft MSL (≈1,000 AGL)
- CTAF
- 122.9
Enter the left downwind for Rwy 12 at 2,000 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 12/30
1,320 ft × 45 ft · TURF-P- Heading
- n/a
- Heading
- n/a
| Runway | Length | Your margin |
|---|---|---|
| 12/30 | 1,320 ft |
No published frequencies or nearby navaids for 48AK.
Chart Supplement FAA A/FD
Open PDF ↗Preview Chart Supplement
VFR sectional
Ownership & management
Remarks FAA
- DETERMINATION PENDING
- ARPT HAS GUSTY INTERMITTENT CROSS WINDS.
- CONTACT ARPT MGR PRIOR TO LANDING.
- CELL 907-351-2360
- CELL 907-351-2360
- SFC IS RUTTED SOD.
Nearby airports
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 48AK 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.
About 48AK
Castle Mountain Airstrip (48AK) is an airport in Sutton/Chickaloon, AK, at 1,010 ft MSL. It has 1 runway, the longest 1,320 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 48AK, refreshed from the Aviation Weather Center and FAA NASR.
Does 48AK have a control tower?
No. Castle Mountain Airstrip is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 48AK?
Castle Mountain Airstrip has 1 runway; the longest is 1,320 ft. See the Runways tab for headings, surface, and lighting.
Where is 48AK?
Castle Mountain Airstrip is in Sutton/Chickaloon, AK, at an elevation of 1,010 ft MSL. Coordinates: 61.7960, -148.4942.
Fly out of 48AK often?
Save 48AK 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.