1
Runway
1
Frequency
0
Procedures
Quick Facts
ICAO
51IL
FAA
51IL
Elevation
762 ft MSL
Runways
1
Frequencies
1
Tower
No
Fuel
N/A
Coordinates
41.788, -88.607
Airport Information
Facility Type
AIRPORT
Elevation
762 ft MSL
Control Tower
No
CTAF
122.9 MHz
Fuel Types
None listed
Traffic Pattern
Not published
ARTCC
CHICAGO
Coordinates
41.7880, -88.6066
Ownership
Private
Current Weather
Advisory only — not an official or legal weather briefing. The pilot in command is the final authority (14 CFR 91.3).
Nearby Weather Cameras
No camera at 51IL. Showing nearest cameras.
Situational awareness only — not for regulatory minimums
FAA aviation weather camera images are for situational awareness. They may NOT be used to comply with regulatory requirements — for example, to determine weather minimums for IFR flight. Images are generally updated about every 10 minutes and actual site conditions may differ from the displayed image. FAA Order JO 7110.10, §8-3-3
Lake in the Hills
NorthEast · Camera 1 · 4 cameras total
31 NM away
Illinois Valley Regional
North · Camera 1 · 4 cameras total
42 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 / PCR |
|---|---|---|---|---|---|---|---|
| 09/27 | 09 / 27 | 2,721 ft | 100 ft | TURF | - | - | - |
Frequencies
| Type | Frequency | Name | Call Sign | Use | Hours |
|---|---|---|---|---|---|
| CTAF | 122.9 | ROCA GRANDE RLA | - | CTAF | - |
Nearby airports & facilities
IL38
J MADDOCK
BIG ROCK — 4 nm
IL38
J MADDOCK
BIG ROCK — 4 nm
IL85
OAKFIELD
KANEVILLE — 4 nm
IL85
OAKFIELD
KANEVILLE — 4 nm
0C2
HINCKLEY
HINCKLEY — 4 nm
K0C2
HINCKLEY
HINCKLEY — 4 nm
08IL
MARSHALL FARMS
CORTLAND — 5 nm
08IL
MARSHALL FARMS
CORTLAND — 5 nm
0LL6
GORD
SANDWICH — 5 nm
0LL6
GORD
SANDWICH — 5 nm
KARR
AURORA MUNI
CHICAGO/AURORA — 6 nm
2LL9
George Airport
Somonauk — 6 nm
Nearest airports
- IL38 — J MADDOCK
BIG ROCK
- IL38 — J MADDOCK
BIG ROCK
- IL85 — OAKFIELD
KANEVILLE
- IL85 — OAKFIELD
KANEVILLE
- 0C2 — HINCKLEY
HINCKLEY
Illinois airports
51IL Operational Overview
Location & Facility
ROCA GRANDE RLA (51IL) is a privately owned airport restricted to private use located in BIG ROCK, Illinois, United States. The field sits at an elevation of 762 feet above mean sea level (MSL) at coordinates 41.7880°N, 88.6066°W.
Runways
ROCA GRANDE RLA has 1 runway. The longest runway (09/27) measures 2,721 feet by 100 feet with a turf surface.
Communications & Operations
ROCA GRANDE RLA is a non-towered (pilot-controlled) field. A total of 1 communication frequencies are published for this facility.
Weather Cameras
2 FAA Weather Cameras are available near ROCA GRANDE RLA, 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 51IL?
51IL is the FAA location identifier for ROCA GRANDE RLA, a private-use airport — permission from the owner is required before landing, located in BIG ROCK, Illinois, United States.
How many runways does ROCA GRANDE RLA have?
ROCA GRANDE RLA (51IL) has 1 runway. See the runway table above for dimensions and surface types.
What is the elevation of 51IL?
The field elevation of ROCA GRANDE RLA is 762 feet above mean sea level (MSL). The FAA publishes this figure as ESTIMATED, not surveyed — use the current Chart Supplement for a survey-grade elevation.
Is fuel available at 51IL?
No fuel types are currently listed for ROCA GRANDE RLA. Contact the FBO directly for availability.
What is the longest runway at 51IL?
The longest runway at ROCA GRANDE RLA is 2,721 feet long.
How do I access complete data for 51IL?
Sign up for a free AeroCopilot account to access all frequencies, full NOTAM text with AI interpretation, decoded forecasts, and IFR procedure charts for ROCA GRANDE RLA.
Where is ROCA GRANDE RLA located?
ROCA GRANDE RLA (51IL) is located in BIG ROCK, Illinois, United States, at an elevation of 762 ft MSL.
Does 51IL have weather cameras?
51IL does not have a direct weather camera, but there are nearby cameras within range. Sign up for AeroCopilot to view all nearby airport cameras.