Helicopters over Diamond Bar

Live helicopter tracking for Diamond Bar, Los Angeles County — updated every few seconds.

Area briefing

Diamond Bar, Los Angeles County

Checking the sky overhead…

GTLA AirWatch · Live area briefing · positions from ADS-B, rechecked every 20 seconds

Map of Diamond Bar, Los Angeles County
Scanning
Live map — checking for helicopters over Diamond Bar… The dashed ring is the 3.5 km radius this page counts as “over Diamond Bar”; inner rings mark one-third and two-thirds of that distance.

Today over Diamond Bar

Nothing overhead now. The last helicopter left 55 minutes ago, heading east.

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.

Who's hovering here?View the full live map

Recent incidents over Diamond Bar

The sky over Diamond Bar

380helicopter passes tracked over 64 days
41.6
passes per week
1.4
hours overhead per week
3 PM
busiest hour
Private
most common overhead

By hour of day

12a
3a
6a
9a
12p
3p
6p
9p
Busiest hour: 3p · this hour (1p) has averaged 26 passes historically

Who flies over Diamond Bar

  • Private53%
  • News12%
  • Police11%
  • Sheriff9%
  • CHP7%
  • Other9%

The regulars over Diamond Bar

The aircraft recorded here most often — the ones you’ll see again.

Who flies over Diamond Bar, by the numbers

Private and charter helicopters over Diamond Bar

201 of 380 recorded passes over Diamond Bar were private and charter helicopters — 53% of the traffic here, 5.2 hours overhead in total.

Most often: Us Bank Na (N411CE), 15 recorded passestypically 1,600–2,000 ft

Private and charter aircraft are usually in transit, on a tour or a survey flight, and pass through without stopping.

News helicopters over Diamond Bar

44 of 380 recorded passes over Diamond Bar were news helicopters — 12% of the traffic here, 2.4 hours overhead in total.

Most often: SkyCAL / SkyFOX 11 (N39CL), 7 recorded passesusually 5am–8amtypically 1,500–1,900 ft

News helicopters hold a wider circle at a higher altitude and arrive after a story is already underway; several at once usually means something is being covered live.

Police helicopters over Diamond Bar

43 of 380 recorded passes over Diamond Bar were police helicopters — 11% of the traffic here, 1.8 hours overhead in total.

Most often: Chino PD (N710PD), 11 recorded passestypically 1,600–1,900 ft

Police aircraft typically fly tight, repeated orbits over one spot to support officers on the ground, and can hold for a long time.

Sheriff's helicopters over Diamond Bar

33 of 380 recorded passes over Diamond Bar were sheriff's helicopters — 9% of the traffic here, 1.2 hours overhead in total.

Most often: LASD (N960LA), 8 recorded passestypically 1,350–1,750 ft

Sheriff's aircraft fly patrol, search and rescue across the county, and orbit a scene the same way police aircraft do.

What it usually means

Private / civil: Private and civil helicopters are usually in transit, on a charter, or on a survey flight.

News helicopter: News helicopters usually mean live coverage of a developing story — a pursuit, a fire, or a scene the station is broadcasting.

Police (LAPD / municipal): Police helicopters typically orbit for a search, a pursuit, or to support officers on the ground. A tight circle overhead usually means the activity is directly below.

Sheriff (LASD): Sheriff's helicopters typically orbit for a search, a pursuit, or to support deputies on the ground.

Recent helicopter activity

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Helicopters over Diamond Bar common questions

Is that a news helicopter over Diamond Bar?

News helicopters account for 12% of the 380 helicopter passes recorded over Diamond Bar. The one you see most is SkyCAL / SkyFOX 11 (N39CL), 7 recorded passes. They are usually 5am–8am here. They typically fly at 1,500–1,900 ft above sea level. News helicopters hold a wider circle at a higher altitude and arrive after a story is already underway; several at once usually means something is being covered live.

Why is a police helicopter circling over Diamond Bar?

Police helicopters account for 11% of the 380 helicopter passes recorded over Diamond Bar. The one you see most is Chino PD (N710PD), 11 recorded passes. They typically fly at 1,600–1,900 ft above sea level. Police aircraft typically fly tight, repeated orbits over one spot to support officers on the ground, and can hold for a long time.

Is that a sheriff's helicopter over Diamond Bar?

Sheriff's helicopters account for 9% of the 380 helicopter passes recorded over Diamond Bar. The one you see most is LASD (N960LA), 8 recorded passes. They typically fly at 1,350–1,750 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.

How high do helicopters fly over Diamond Bar?

From the passes recorded here: private and charter helicopters at 1,600–2,000 ft; news helicopters at 1,500–1,900 ft; police helicopters at 1,600–1,900 ft; sheriff's helicopters at 1,350–1,750 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 Diamond Bar?

Most passes are brief — a minute or two straight through. The aircraft that stay longest here are private and charter helicopters: 5.2 hours overhead across 201 recorded passes. Private and charter aircraft are usually in transit, on a tour or a survey flight, and pass through without stopping.

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.

Where does this data come from?

GTLA AirWatch 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.

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