# Otterbach Farm Airport (81LL)

**Otterbach Farm Airport** (FAA: 81LL) is a small airport in Mendota, Illinois, United States. It opened in May 1979. It has one runway, 1,600 ft (488 m) long, grass.

Web page: https://dromopedia.com/airports/81ll

## At a glance

- FAA: 81LL
- Type: Small airport
- Serves: Mendota, Illinois, United States
- Opened: May 1979
- Elevation: 840 ft / 256 m
- Coordinates: 41.5723, -89.1714
- Runways: 1
- Longest runway: 1,600 ft / 488 m
- Time zone: UTC-6/-5 · America/Chicago
- Wikidata: https://www.wikidata.org/wiki/Q35286664
- Weather station: KVYS
- Ident: 81LL

## Timeline

- May 1979: Otterbach Farm Airport opens.

## Runways

| Ident | Length | Width | Surface | True headings | Lighted |
| --- | --- | --- | --- | --- | --- |
| NW/SE | 1,600 ft / 488 m | 70 ft / 21 m | Grass |  |  |

## Rankings

Ranked among 48,075 open airports; = marks a shared place.

| Measure | Value | World | Region | Country |
| --- | --- | --- | --- | --- |
| Longest runway | 1,600 ft / 488 m | =27,382 of 29,858 | =13,715 in North America | =12,194 in US |
| Elevation | 840 ft / 256 m | =20,589 of 43,403 | =9,538 in North America | =7,803 in US |
| Age | Opened 1979 | =7,894 of 15,079 | =5,873 in North America | =5,773 in US |
| Runways | 1 | =4,364 of 29,978 | =2,583 in North America | =2,326 in US |

## Nearby airports

- [35IL](https://dromopedia.com/airports/35il.md) 7th Heaven Airport · 3.1 mi / 5.1 km
- [IL22](https://dromopedia.com/airports/0c7.md) Grandpas' Farm Mendota Airport · 4.0 mi / 6.5 km
- [7LL6](https://dromopedia.com/airports/7ll6.md) Gehant Airport · 8.8 mi / 14 km
- [IL55](https://dromopedia.com/airports/us-0553.md) Younglove/Otterbach Airport · 9.3 mi / 15 km
- [IL87](https://dromopedia.com/airports/il87.md) W Davis Airport · 10 mi / 16 km
- [1IS5](https://dromopedia.com/airports/1is5.md) Walder's Farm Airport · 10 mi / 17 km

## Sources

- [FAA NASR](https://www.faa.gov/air_traffic/flight_info/aeronav/aero_data/NASR_Subscription/): US airport data: FAA National Airspace System Resources (Public Domain (US Government))
- [NOAA Aviation Weather Center](https://aviationweather.gov/data/api/): Weather data: NOAA Aviation Weather Center (Public Domain (US Government))
- [OurAirports](https://ourairports.com/data/): Airport data from OurAirports (Public Domain)
- [Wikidata](https://www.wikidata.org): Structured data from Wikidata (CC0 1.0)
- [timezone-boundary-builder](https://github.com/evansiroky/timezone-boundary-builder): Time zone boundaries © OpenStreetMap contributors, timezone-boundary-builder (ODbL 1.0)
- Every figure with its source: https://dromopedia.com/airports/81ll/data