Helicopters over Foothill Ranch
Live helicopter tracking for Foothill Ranch, Orange County — updated every few seconds.
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Live airspace over Foothill Ranch
Expand live map →Foothill Ranch, Orange County
Checking the sky overhead…
GTLA Live · Live area briefing · positions from ADS-B, rechecked every 20 seconds
Keep up with Foothill Ranch
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Today over Foothill Ranch
Nothing overhead now — quiet for the last 2 hours.
- 12:38pm — Mercy Air (N908KB) passed through in 1 minute, mid-level.came from Portola Springs (12:38pm)went on to Lake Forest (12:39pm)
- 10:44am — Goodyear Blimp (N2A) passed through in 3 minutes, mid-level.came from Lake Forest (10:44am)went on to Portola Springs (10:49am)
Verbs like “held over” and “circled” describe the recorded flight path, not what was happening on the ground. Nothing here states a crime, a fire or a casualty.
Familiar aircraft and neighborhood patterns
The sky over Foothill Ranch
By hour of day
Who flies over Foothill Ranch
- Sheriff38%
- Private32%
- Fire / rescue15%
- Military7%
- CHP4%
- Other5%
The regulars over Foothill Ranch
The aircraft recorded here most often — the ones you’ll see again.
Orange County Sheriff's DepartmentN185SD32 recorded visits· last here Sun 7:57 AM
Orange Co SheriffN183SD27 recorded visits· last here Thu 8:49 AM- Orange Co FireN412FA13 recorded visits· usually 7–10pm· last here Fri 7:30 AM
- CHPN984HP6 recorded visits· usually 1–4pm· last here Fri 3:21 PM
- Polar StarN4043P6 recorded visits· usually 3–6pm· last here Wed 3:40 PM
Seen over Foothill Ranch lately
Every aircraft our tracking has recorded here recently, most recent first. The named ones have a page of their own.
- Mercy AirN908KB
- Goodyear BlimpN2A
- Mammoth SierraN404VB
- Riverside SheriffN995RC
- Private / civilN420GC
- U S LeasecoN721HT
- US NAVY166528
- CAL FIREN479DF
- Orange Co FireN412FA
- DHSN819KB
- Polar StarN108EH
- HelistreamN80156
Who flies over Foothill Ranch, by the numbers
Sheriff's helicopters over Foothill Ranch
62 of 165 recorded passes over Foothill Ranch were sheriff's helicopters — 38% of the traffic here, 3.8 hours overhead in total.
Most often: Orange County Sheriff's Department (N185SD), 32 recorded passestypically 1,400–1,750 ft
Sheriff's aircraft fly patrol, search and rescue across the county, and orbit a scene the same way police aircraft do.
Private and charter helicopters over Foothill Ranch
53 of 165 recorded passes over Foothill Ranch were private and charter helicopters — 32% of the traffic here, 2.1 hours overhead in total.
Most often: Polar Star (N4043P), 6 recorded passesusually 11am–2pmtypically 1,450–2,050 ft
Private and charter aircraft are usually in transit, on a tour or a survey flight, and pass through without stopping.
Fire helicopters over Foothill Ranch
25 of 165 recorded passes over Foothill Ranch were fire helicopters — 15% of the traffic here, 0.7 hours overhead in total.
Most often: Orange Co Fire (N412FA), 13 recorded passestypically 1,350–1,650 ft
Fire department aircraft respond to fires and rescues — often brief, often low, and often straight in and out.
Military helicopters over Foothill Ranch
11 of 165 recorded passes over Foothill Ranch were military helicopters — 7% of the traffic here, 0.5 hours overhead in total.
Most often: DHS (N819KB), 5 recorded passes
Military aircraft are almost always transiting between bases or on training flights; they rarely orbit a neighborhood.
What it usually means
Sheriff (LASD): Sheriff's helicopters typically orbit for a search, a pursuit, or to support deputies on the ground.
Private / civil: Private and civil helicopters are usually in transit, on a charter, or on a survey flight.
Fire / rescue: Fire helicopters mean a fire response or a rescue — often brief, and often at low altitude.
Military: Military aircraft are usually transiting between bases or on a training route rather than responding to anything local.
Recent helicopter activity
- Oct 20, 12:38 PMMercy AirN908KB · B4291,525–2,175 ft1 minSE
- Oct 20, 10:44 AMGoodyear BlimpN2A · SHIP1,950–2,225 ft3 minN
- Oct 18, 1:55 PMMammoth SierraN404VB · R662,525–2,575 ft1 minS
- Oct 18, 12:00 PMRiverside SheriffN995RC · EC452,125–3,100 ft2 minW
- Oct 17, 5:05 PMPrivate / civilN420GC · MD601,600–2,100 ft1 minSW
- Oct 17, 1:41 PMMercy AirN908KB · B4291,600–1,775 ft2 minNW
- Oct 16, 4:44 PMU S LeasecoN721HT · S642,150–2,400 ft1 minN
- Oct 16, 3:20 PMU S LeasecoN721HT · S641,900–2,050 ft2 minS
Nearby coverage
Questions about helicopters over Foothill Ranch
Helicopters over Foothill Ranch common questions
Is that a sheriff's helicopter over Foothill Ranch?
Sheriff's helicopters account for 38% of the 165 helicopter passes recorded over Foothill Ranch. The one you see most is Orange County Sheriff's Department (N185SD), 32 recorded passes. They typically fly at 1,400–1,750 ft above sea level. Sheriff's aircraft fly patrol, search and rescue across the county, and orbit a scene the same way police aircraft do.
Why is a fire helicopter over Foothill Ranch?
Fire helicopters account for 15% of the 165 helicopter passes recorded over Foothill Ranch. The one you see most is Orange Co Fire (N412FA), 13 recorded passes. They typically fly at 1,350–1,650 ft above sea level. Fire department aircraft respond to fires and rescues — often brief, often low, and often straight in and out.
How high do helicopters fly over Foothill Ranch?
From the passes recorded here: sheriff's helicopters at 1,400–1,750 ft; private and charter helicopters at 1,450–2,050 ft; fire helicopters at 1,350–1,650 ft. These are the middle half of measured altitudes above sea level for each group, not a floor or a ceiling.
How long do helicopters stay over Foothill Ranch?
Most passes are brief — a minute or two straight through. The aircraft that stay longest here are sheriff's helicopters: 3.8 hours overhead across 62 recorded passes. Sheriff's aircraft fly patrol, search and rescue across the county, and orbit a scene the same way police aircraft do.
How can I tell if it's police or a news helicopter?
Police aircraft usually fly tight, repeated orbits over one spot and often stay for a long time. News helicopters tend to hold a wider circle at a higher altitude and arrive after an incident is already underway. This page labels each aircraft by its operator, so you don't have to guess.
What time do helicopters usually fly over Foothill Ranch?
Based on 165 tracked passes over Foothill Ranch, the most common hour for helicopter activity is around 1pm local time. Activity rises during evening news hours and drops sharply overnight.
Where does this data come from?
GTLA Live tracks public ADS-B and MLAT broadcasts that aircraft transmit about their own position, the same open data used by air-traffic enthusiasts worldwide. It is updated every few seconds.
More from GTLA
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