81LL Otterbach Farm Airport
81LL · Mendota, IL · elev 840 ft · TPA 1,800 ft MSL (≈1,000 AGL) · Nontowered
skyready.app/airport/81ll live weather · pattern · NOTAMs
Frequencies
| Guard | 121.5 |
|---|
Airport
| Coordinates | 41°34.34'N 89°10.28'W |
|---|---|
| Mag var | 0E |
| ARTCC | CHICAGO (ZAU) |
| FSS | KANKAKEE |
| Sectional | CHICAGO |
Attended UNATNDD.
RWY NWLEFT traffic
- Heading
- 000° mag · 000° true
- Dimensions
- 1,600 × 70 ft
- TPA
- 1,800 ft MSL (≈1,000 AGL) · standard
- Surface
- Turf
Enter the left downwind (heading 180°) on the 45° at 1,800 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 |
|---|---|---|---|---|---|
| NW/SE | — | 1,600 × 70 ft | Turf | left | — |