1
Runway
0
Frequencies
0
Procedures
Quick Facts
ICAO
81LL
FAA
81LL
Elevation
840 ft MSL
Runways
1
Frequencies
0
Tower
No
Fuel
N/A
Coordinates
41.569, -89.174
Airport Information
Facility Type
AIRPORT
Elevation
840 ft MSL
Control Tower
No
Fuel Types
None listed
ARTCC
CHICAGO
Coordinates
41.5692, -89.1737
Ownership
Private
Hours of Operation
Current Weather
Nearby Weather Cameras
No camera at 81LL. Showing nearest cameras.
Illinois Valley Regional
South · Camera 3 · 4 cameras total
13 NM away
Lake in the Hills
NorthEast · Camera 1 · 4 cameras total
64 NM away
8 camera angles available
See all cameras, directions, and nearby airport cameras
Sign up free to view all cameras →Runways
| ID | Ends | Length | Width | Surface | Lights | Weight Bearing | PCN |
|---|---|---|---|---|---|---|---|
| NW/SE | NW / SE | 1,600 ft | 70 ft | TURF | - | - | - |
Airport Remarks
- E111:PROVIDED ALL TRAFFIC PATTERN OPERATIONS ARE CONDUCTED NORTH OF THE RWY.
- OWNER DESIRES ARPT NOT BE CHARTED.
- FOR CD CTC CHICAGO ARTCC AT 630-906-8921.
- KEN OTTERBACK 35461 N 2900TH RD MENDOTA, IL 61342 (815) 538-7102
Nearby airports & facilities
81LL
OTTERBACH FARM
MENDOTA — <1 nm
35IL
7TH HEAVEN
LA MOILLE — 2 nm
35IL
7TH HEAVEN
LA MOILLE — 2 nm
IL22
Grandpas' Farm Mendota Airport
Mendota — 3 nm
IL22
GRANDPA'S FARM MENDOTA
MENDOTA — 3 nm
14IL
OSF St Paul Medical Center Heliport
Mendota — 4 nm
14IL
OSF ST PAUL MEDICAL CENTER
MENDOTA — 4 nm
14IL
OSF ST PAUL MEDICAL CENTER
MENDOTA — 4 nm
IL88
EARL BARNICKEL
COMPTON — 7 nm
IL88
EARL BARNICKEL
COMPTON — 7 nm
7LL6
Gehant Airport
West Brooklyn — 8 nm
IL55
YOUNGLOVE/OTTERBACH
EARLVILLE — 8 nm
Nearest airports
- 81LL — OTTERBACH FARM
MENDOTA
- 35IL — 7TH HEAVEN
LA MOILLE
- 35IL — 7TH HEAVEN
LA MOILLE
- IL22 — Grandpas' Farm Mendota Airport
Mendota
- IL22 — GRANDPA'S FARM MENDOTA
MENDOTA
Illinois airports
81LL Operational Overview
Location & Facility
OTTERBACH FARM (81LL) is a privately owned airport restricted to private use located in MENDOTA, Illinois, United States. The field sits at an elevation of 840 feet above mean sea level (MSL) at coordinates 41.5692°N, 89.1737°W.
Runways
OTTERBACH FARM has 1 runway. The longest runway (NW/SE) measures 1,600 feet by 70 feet with a turf surface.
Communications & Operations
OTTERBACH FARM is a non-towered (pilot-controlled) field.
Weather Cameras
2 FAA Weather Cameras are available near OTTERBACH FARM, providing real-time visual weather conditions updated every 10 minutes. AeroCopilot integrates these cameras with AI-powered weather analysis to help pilots assess visibility and ceiling conditions before departure.
Frequently Asked Questions
What is 81LL?
81LL is the ICAO identifier for OTTERBACH FARM, a public-use airport located in MENDOTA, Illinois, United States.
How many runways does OTTERBACH FARM have?
OTTERBACH FARM (81LL) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 81LL?
The field elevation of OTTERBACH FARM is 840 feet above mean sea level (MSL).
Is fuel available at 81LL?
No fuel types are currently listed for OTTERBACH FARM. Contact the FBO directly for availability.
What is the longest runway at 81LL?
The longest runway at OTTERBACH FARM is 1,600 feet long.
How do I access complete data for 81LL?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for OTTERBACH FARM.
Where is OTTERBACH FARM located?
OTTERBACH FARM (81LL) is located in MENDOTA, Illinois, United States, at an elevation of 840 ft MSL.
Does 81LL have weather cameras?
81LL does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.