Lyon HeliportPrivate
4CL1 · Rancho Santa Margarita, CA · Non-towered · Open on the map
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Weather
METAR observed
TAF forecast
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Sun & FAA night2026-09-21 · night begins 07:14 PM
| Event | Local (PDT) | UTC |
|---|---|---|
| Morning civil twilight Loggable night ends | 06:13 AM | 13:13Z |
| Sunrise | 06:38 AM | 13:38Z |
| Sunset | 06:49 PM | 01:49Z |
| Evening civil twilight Loggable night begins | 07:14 PM | 02:14Z |
Plan a flight from 4CL1
Winds aloft NOAA forecast · 3,000 to 53,000 ft
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Full reports: nearest reporting station
Advisories
NOTAMs · Loading NOTAMs…
Pilot reports · Loading PIREPs…
Airspace hazards · Checking SIGMETs and G-AIRMETs…
Temporary flight restrictions · Checking for TFRs…
Runways
| Runway | Length | Your margin |
|---|---|---|
| H1/ | 74 ft |
Prefer one flat page? Full runway details for 4CL1 → · New to pattern entries? The 45° entry, explained → · Teaching here? Print the 4CL1 kneeboard →
Comms & NavAids
Nearby navigation aids
ELB 117.20 · PDZ 112.20 · RAL 108.60 · +4
| NavAid | Type | Freq · ch | Range | Radial / Dist magnetic |
|---|---|---|---|---|
| ELB · El Toro | VOR/DME | 117.20 · 119X | Low | r105° / 8 NM |
| PDZ · Paradise | VORTAC | 112.20 · 59X | High | r174° / 18.6 NM |
| RAL · Riverside | VOR | 108.60 | Low | r185° / 21.7 NM |
| HDF · Homeland | VOR | 112.05 | Low | r230° / 22.5 NM |
| NFG · Camp Pendleton | TACAN | 111.80 · 55X | — | r320° / 22.7 NM |
| RIV · March | TACAN | 113.00 · 77X | — | r208° / 23.7 NM |
| OCN · Oceanside | VORTAC | 115.30 · 100X | High | r324° / 24 NM |
Charts & procedures
No published instrument procedures or Chart Supplement for 4CL1 — open it on the VFR sectional →
Airport info
Airport information
- FAA LID
- 4CL1
- Coordinates
- 33.6127, -117.5914
- Elevation
- 898 ft MSL
- Magnetic variation
- 14E
- Sectional chart
- LOS ANGELES
- Airport use
- Private
- Control tower
- No
- ARTCC
- LOS ANGELES (ZLA)
- Flight service (FSS)
- SAN DIEGO · 1-800-WX-BRIEF
- Attendance
- UNATNDD
- Segmented circle
- No
- Activated
- 1993/04
- Distance from city
- 2 SE
Night operations
- Airport lighting
- SEE RMK
FAA night windows (civil twilight, loggable night §1.1, currency §61.57) are under Sun & FAA night in the Weather section.
Ownership & management 2 contacts
Remarks FAA · 3 notes
General
- FOR CD CTC LOS ANGELES ARTCC AT 661-575-2079.
Lighting
- FOR PERIMETER LGTS CALL 714-210-2945.
Obstructions
- 10 FT TREE 19 FT SE.
Nearby airports
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Also nearby: CA55 Mission Hospital (private) (5 NM) · CA68 Saddleback Memorial Medical Center (private) (6 NM) · CL92 Sce Saddleback Service Center (private) (6 NM) · 1CA3 G S A Laguna Niguel G/L Helistop (private) (7 NM) · CA42 Mc Conville Airstrip (private) (8 NM) · 57CA Loma Ridge Communication Center (private) (12 NM)
About 4CL1
Lyon (4CL1) is a heliport in Rancho Santa Margarita, CA, at 898 ft MSL. It has 1 runway, the longest 74 ft, with no control tower (pilot-controlled). This page shows live METAR/TAF weather, runway crosswinds, frequencies, navaids, and FAA charts for 4CL1, refreshed from the Aviation Weather Center and FAA NASR.
Does 4CL1 have a control tower?
No. Lyon is a non-towered (pilot-controlled) heliport; use the published CTAF/UNICOM in the Comms & NavAids section.
What is the longest runway at 4CL1?
Lyon has 1 runway; the longest is 74 ft. See the Runways section for headings, surface, and lighting.
Where is 4CL1?
Lyon is in Rancho Santa Margarita, CA, at an elevation of 898 ft MSL. Coordinates: 33.6127, -117.5914.
More about 4CL1
Weather is live from the Aviation Weather Center; airport facility data is from the FAA NASR (28-day cycle). For planning and education only; always verify against official sources. Open 4CL1 in a full tool: METAR/TAF decoder, crosswind calculator, sun & night times, or the density altitude calculator. Planning from here? Find the nearest airport with fuel or an approach, or check whether an IFR alternate is required.
Something here wrong or out of date? Report a data problem.