1LL2 Spring Brook Airport
1LL2 · Seneca, IL · elev 500 ft · TPA 1,500 ft MSL (≈1,000 AGL) · Nontowered
skyready.app/airport/1ll2 live weather · pattern · NOTAMs
Frequencies
| Guard | 121.5 |
|---|
Airport
| Coordinates | 41°18.04'N 88°38.00'W |
|---|
RWY 18LEFT traffic
- Heading
- 180° true
- Dimensions
- 2,800 ft
- TPA
- 1,500 ft MSL (≈1,000 AGL) · standard
- Surface
- ASPH
Enter the left downwind (heading 000°) on the 45° at 1,500 ft MSL (≈1,000 AGL).
Pattern side: FAA NASR · TPA standard 1,000 ft AGL (not charted) · layout: schematic (headings + lengths)
Traffic pattern for the primary runway, drawn on its FAA charted side.
Runways
| Runway | Headings | Size | Surface · lights | Pattern | ILS |
|---|---|---|---|---|---|
| 18/36 | — | 2,800 ft | Asphalt | left | — |