Helicopters over Monrovia

Police helicopters over Monrovia

341 of 732 recorded passes over Monrovia were police helicopters — 47% of the traffic here, 15.1 hours overhead in total.

Most often: Pasadena PD (N239PS), 77 recorded passestypically 1,600–2,100 ft

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

Private and charter helicopters over Monrovia

164 of 732 recorded passes over Monrovia were private and charter helicopters — 22% of the traffic here, 4.4 hours overhead in total.

Most often: Mercy Air (N908KB), 7 recorded passesusually 11am–2pmtypically 1,500–2,400 ft

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

Fire and air-medical helicopters over Monrovia

96 of 732 recorded passes over Monrovia were fire and air-medical helicopters — 13% of the traffic here, 2.2 hours overhead in total.

Most often: LA Co FD (N110LA), 9 recorded passesusually 6am–9amtypically 1,900–3,500 ft

Fire and air-medical aircraft respond to fires, rescues and hospital transports — often brief, often low, and often straight in and out.

Sheriff's helicopters over Monrovia

61 of 732 recorded passes over Monrovia were sheriff's helicopters — 8% of the traffic here, 2.4 hours overhead in total.

Most often: LASD (N961LA), 6 recorded passesusually 5pm–8pmtypically 1,050–1,650 ft

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

Why is a police helicopter circling over Monrovia?

Police helicopters account for 47% of the 732 helicopter passes recorded over Monrovia. The one you see most is Pasadena PD (N239PS), 77 recorded passes. They typically fly at 1,600–2,100 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.

Why is a fire helicopter over Monrovia?

Fire and air-medical helicopters account for 13% of the 732 helicopter passes recorded over Monrovia. The one you see most is LA Co FD (N110LA), 9 recorded passes. They are usually 6am–9am here. They typically fly at 1,900–3,500 ft above sea level. Fire and air-medical aircraft respond to fires, rescues and hospital transports — often brief, often low, and often straight in and out.

Is that a sheriff's helicopter over Monrovia?

Sheriff's helicopters account for 8% of the 732 helicopter passes recorded over Monrovia. The one you see most is LASD (N961LA), 6 recorded passes. They are usually 5pm–8pm here. They typically fly at 1,050–1,650 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 Monrovia?

From the passes recorded here: police helicopters at 1,600–2,100 ft; private and charter helicopters at 1,500–2,400 ft; fire and air-medical helicopters at 1,900–3,500 ft; sheriff's helicopters at 1,050–1,650 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 Monrovia?

Most passes are brief — a minute or two straight through. The aircraft that stay longest here are police helicopters: 15.1 hours overhead across 341 recorded passes. Police aircraft typically fly tight, repeated orbits over one spot to support officers on the ground, and can hold for a long time.

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.