Helicopters over Grand Terrace

Private and charter helicopters over Grand Terrace

383 of 712 recorded passes over Grand Terrace were private and charter helicopters — 54% of the traffic here, 13 hours overhead in total.

Most often: Polar Star (N4043P), 18 recorded passestypically 1,700–2,100 ft

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

Police helicopters over Grand Terrace

158 of 712 recorded passes over Grand Terrace were police helicopters — 22% of the traffic here, 7.4 hours overhead in total.

Most often: Riverside PD (N911RP), 32 recorded passestypically 1,550–2,000 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 Grand Terrace

97 of 712 recorded passes over Grand Terrace were sheriff's helicopters — 14% of the traffic here, 7.8 hours overhead in total.

Most often: San Bernardino County Sheriffs Dept (N835SB), 14 recorded passestypically 1,400–1,650 ft

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

Military helicopters over Grand Terrace

34 of 712 recorded passes over Grand Terrace were military helicopters — 5% of the traffic here, 0.9 hours overhead in total.

Most often: US ARMY (14-20701), 4 recorded passestypically 1,350–1,800 ft

Military aircraft are almost always transiting between bases or on training flights; they rarely orbit a neighborhood.

Why is a police helicopter circling over Grand Terrace?

Police helicopters account for 22% of the 712 helicopter passes recorded over Grand Terrace. The one you see most is Riverside PD (N911RP), 32 recorded passes. They typically fly at 1,550–2,000 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 Grand Terrace?

Sheriff's helicopters account for 14% of the 712 helicopter passes recorded over Grand Terrace. The one you see most is San Bernardino County Sheriffs Dept (N835SB), 14 recorded passes. They typically fly at 1,400–1,650 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 Grand Terrace?

From the passes recorded here: private and charter helicopters at 1,700–2,100 ft; police helicopters at 1,550–2,000 ft; sheriff's helicopters at 1,400–1,650 ft; military helicopters at 1,350–1,800 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 Grand Terrace?

Most passes are brief — a minute or two straight through. The aircraft that stay longest here are private and charter helicopters: 13 hours overhead across 383 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 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.