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
Where the noise comes from
North Epping hears traffic from 2 distinct sources:
Sydney Kingsford Smith Airport
live map →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
| Suburb | Overflights / day | Rank |
|---|---|---|
| Pennant Hills | 24 | #50 |
| South Turramurra | 19 | #71 |
| Marsfield | 14 | #92 |
| North Epping | 13 | #94 |
| Epping | 6 | #131 |
| Cheltenham | 6 | #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.
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