Aircraft noise in West Pennant Hills (2125)
On a typical day, about 23 aircraft pass over West Pennant Hills — mostly arrivals at Sydney Kingsford Smith Airport, between roughly 3,000 and 5,000 ft. Helicopters and light aircraft add another 2 low overflights a day. Estimated peak ground noise reaches 76–79 dB — enough to interrupt conversation outdoors. It ranks #52 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 West Pennant Hills · updated monthly
Where the noise comes from
West Pennant Hills hears traffic from 2 distinct sources:
Sydney Kingsford Smith Airport
live map →21 overflights/day (93%) · typically 3,500 ft
West Pennant Hills lies under arrivals descending from the north-west, at moderate altitude, on their way to join the approach sequence. The traffic is persistent but high enough that it rarely intrudes — a passing presence rather than a dominating one.
Helicopters & other light aircraft
2 overflights/day (7%) · typically 2,600 ft
Around 2 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 |
|---|---|---|
| Baulkham Hills | 36 | #22 |
| North Rocks | 26 | #40 |
| Pennant Hills | 24 | #50 |
| West Pennant Hills | 23 | #52 |
| Carlingford | 15 | #84 |
| Beecroft | 14 | #89 |
Common questions
- Is West Pennant Hills under a flight path?
- Yes — West Pennant Hills is under Sydney Kingsford Smith Airport flight paths, with around 23 overflights on a typical day, mostly arrivals.
- Which airport's aircraft fly over West Pennant Hills?
- More than one source: Sydney Kingsford Smith Airport (~21/day), other low-flying aircraft (~2/day). The breakdown above shows each source's pattern.
- What time do planes start over West Pennant Hills?
- The first movements typically pass over West Pennant Hills around 9:34am, once the curfew (11 PM – 6 AM) ends. Traffic builds through the morning peak.
- Is it quieter in West Pennant Hills on weekends?
- Not much — weekday and weekend traffic over West Pennant Hills is similar (27 vs 26 overflights a day).
- Do planes fly over West Pennant Hills 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 8:59pm.
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 West Pennant Hills.
