Aircraft noise in Grasmere (2570)
Grasmere experiences approximately 11 aircraft overflights per day, primarily helicopters and light aircraft, passing below 3,000 ft. Estimated peak ground noise reaches 87–88 dB. It ranks #104 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 Grasmere · updated monthly
Where the noise comes from
Helicopters & other light aircraft
11 overflights/day (100%) · typically 600 ft
Grasmere sits beside Camden Airport's circuit area — low light-aircraft traffic through daylight hours, busiest on fine weekends. Camden's fleet is only partly transponder-equipped, so true numbers are higher than tracked.
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 |
|---|---|---|
| Cobbitty | 22 | #57 |
| Brownlow Hill | 15 | #80 |
| Ellis Lane | 15 | #85 |
| Grasmere | 11 | #104 |
| Camden | 6 | #129 |
Common questions
- Is Grasmere under a flight path?
- Yes — Grasmere is directly under the area's flight paths, with around 11 overflights on a typical day, mostly a mix of arrivals and departures.
- What time do planes start over Grasmere?
- The first movements typically pass over Grasmere around 9:00am, building through the morning peak.
- Is it quieter in Grasmere on weekends?
- Weekends are actually busier here — about 16% more overflights than weekdays (14 vs 12 a day).
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 Grasmere.
