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Aircraft noise in North Epping (2121)

Aircraft fly over North Epping roughly 13 times a day, the bulk of them arrivals at Sydney Kingsford Smith Airport, below 3,000 ft. Helicopters and light aircraft add another low overflight or so each day. Estimated peak ground noise reaches 78–81 dB. It ranks #94 of 139 Sydney suburbs for aircraft noise exposure. (Flight Path Noise monitoring data, 90 days to 2026-08-21.)

Data: 90 days to 2026-08-21 · all tracked aircraft over North Epping · updated monthly

Overflights / day
13
busiest on Saturdays
Typical altitude
2,900 ft
over the suburb
Est. peak noise
78–81 dB
under the flight path, modelled
Sydney rank
#94 / 139
louder than 33% of measured suburbs
A typical day of overflights (all sources)
First movement ~10:01amBusiest hour 5pmLast movement ~9:07pm

Where the noise comes from

North Epping hears traffic from 2 distinct sources:

Sydney Kingsford Smith Airport

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12 overflights/day (90%) · typically 2,900 ft

North Epping sits under the descending south-flow arrival stream at low-to-moderate altitude, on the corridor's north-western flank. Its noise follows the flow pattern — days of steady descent traffic, then quiet when the airport reverses.

Helicopters & other light aircraft

1 overflights/day (10%) · typically 2,700 ft

Around 1 low overflights a day come from aircraft not operating at a tracked airport — helicopters, seaplanes and light aircraft transiting the area. Light-aircraft counts are tracked overflights only — many training and private aircraft carry no ADS-B transponder, so true numbers are higher.

Light-aircraft counts are tracked overflights only — many training and private aircraft carry no ADS-B transponder, so true numbers are higher.

How nearby suburbs compare

SuburbOverflights / dayRank
Pennant Hills24#50
South Turramurra19#71
Marsfield14#92
North Epping13#94
Epping6#131
Cheltenham6#132

Common questions

Is North Epping under a flight path?
Yes — North Epping is directly under Sydney Kingsford Smith Airport flight paths, with around 13 overflights on a typical day, mostly arrivals.
Which airport's aircraft fly over North Epping?
More than one source: Sydney Kingsford Smith Airport (~12/day), other low-flying aircraft (~1/day). The breakdown above shows each source's pattern.
What time do planes start over North Epping?
The first movements typically pass over North Epping around 10:01am, once the curfew (11 PM – 6 AM) ends. Traffic builds through the morning peak.
Is it quieter in North Epping on weekends?
Slightly — weekends average about 29% fewer overflights than weekdays (16 vs 22 a day).
Do planes fly over North Epping at night?
The main airport's curfew restricts movements between 11 PM – 6 AM, so overnight overflights are rare. The last movements are typically around 9:07pm.

Checking a specific address?

This page shows suburb-wide averages. An address report gives you the exact overflight count, altitudes, hourly pattern and noise estimate for one property. Leave your email and we'll let you know when reports are ready for North Epping.

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Suburb boundaries: Australian Bureau of Statistics, Suburbs and Localities 2021, CC BY 4.0. Postcodes: GeoNames, CC BY 4.0. Flight data: ADS-B, 90-day rolling window, all tracked aircraft regardless of airport. Noise figures are modelled estimates, not measurements — how we measure.

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