Airport information
- FAA LID
- 18PA
- Coordinates
- 40.3001, -75.0829
- Elevation
- 275 ft MSL
- Magnetic variation
- 12W
- Sectional chart
- NEW YORK
- Airport use
- Private
- Control tower
- No
- ARTCC
- NEW YORK (ZNY)
- Flight service (FSS)
- WILLIAMSPORT
- Attendance
- UNATNDD
- Segmented circle
- No
- Wind indicator
- yes
- Activated
- 1961/03
- 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 (EDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 04:57 AM | 08:57Z |
| Sunrise | 05:31 AM | 09:31Z |
| Sunset | 08:34 PM | 00:34Z |
| Evening civil twilight Loggable night begins | 09:07 PM | 01:07Z |
Plan a flight from 18PA
Traffic pattern
- Landing
- Rwy 14
- Pattern
- left (turns left)
- TPA
- 1,300 ft MSL (≈1,000 AGL)
Enter the left downwind for Rwy 14 at 1,300 ft MSL (≈1,000 AGL) on a 45°. TPA estimated at 1,000 ft AGL (not charted for this field).
Runway 14/32
1,850 ft × 100 ft · Turf- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Trees, 34 ft from threshold — 1:1 slope to clear · penetrates the 20:1 visual approach surface
- Heading
- n/a
- Traffic pattern
- Left
- Approach obstacle
- Tree, 1,171 ft from threshold — 18:1 slope to clear · penetrates the 20:1 visual approach surface
| Runway | Length | Your margin |
|---|---|---|
| 14/32 | 1,850 ft |
Nearby navigation aids
| NavAid | Type | Freq | Radial / Dist magnetic |
|---|---|---|---|
| NXX · Willow Grove | TACAN | 133.40 | r035° / 7 NM |
| ARD · Yardley | VOR-DME | 108.20 | r299° / 8.5 NM |
| CKZ · Pennridge | VOR-DME | 108.85 | r132° / 10.9 NM |
| PNE · North Philadelphia | VOR | 112.00 | r356° / 13.5 NM |
| PTW · Pottstown | VORTAC | 116.50 | r087° / 22.4 NM |
| SBJ · Solberg | VOR-DME | 112.90 | r233° / 23.1 NM |
| RBV · Robbinsville | VORTAC | 113.80 | r292° / 27.6 NM |
VFR sectional
No published instrument procedures or Chart Supplement for 18PA. VFR sectional link above.
Services
- Airframe service
- NONE
- Powerplant service
- NONE
Ownership & management
Remarks FAA
- EXISTED PRIOR TO 1959.
- FOR CD CTC PHILADELPHIA APCH AT 800-354-9884.
- AIRPORT OWNER IS LESSEE OF THE PROPERTY. PROPERTY OWNER: FREDERICK SLACK, JR. PO. BOX 362 FOREST GROVE, PA. 215-794-8276.
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 18PA 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 18PA
Slack Airport (18PA) is an airport in Forest Grove, PA, at 275 ft MSL. It has 1 runway, the longest 1,850 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 18PA, refreshed from the Aviation Weather Center and FAA NASR.
Does 18PA have a control tower?
No. Slack Airport is a non-towered (pilot-controlled) airport; use the published CTAF/UNICOM on the Comms & NavAids tab.
What is the longest runway at 18PA?
Slack Airport has 1 runway; the longest is 1,850 ft. See the Runways tab for headings, surface, and lighting.
Where is 18PA?
Slack Airport is in Forest Grove, PA, at an elevation of 275 ft MSL. Coordinates: 40.3001, -75.0829.
Fly out of 18PA often?
Save 18PA 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.