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Aircraft noise in Alexandria (2015)

Aircraft fly over Alexandria roughly 13 times a day, the bulk of them departures at Sydney Kingsford Smith Airport, below 3,000 ft. Estimated peak ground noise reaches 77–85 dB. It ranks #95 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 Alexandria · updated monthly

Overflights / day
13
busiest on Fridays
Typical altitude
2,000 ft
over the suburb
Est. peak noise
77–85 dB
under the flight path, modelled
Sydney rank
#95 / 139
louder than 32% of measured suburbs
A typical day of overflights (all sources)
First movement ~7:11amBusiest hour 9amLast movement ~7:01pm

Where the noise comes from

Sydney Kingsford Smith Airport

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13 overflights/day (100%) · typically 2,000 ft

Alexandria sits close to the airport's northern side and hears mainly departures — particularly off 34R on north-flow days — climbing past at low altitude as they fan out over the city. Proximity keeps the aircraft low, but the spread of departure tracks means the noise shifts around the suburb rather than following one street line.

How nearby suburbs compare

SuburbOverflights / dayRank
Mascot271#1
St Peters52#13
Rosebery28#34
Alexandria13#95
Zetland13#98

Common questions

Is Alexandria under a flight path?
Yes — Alexandria is directly under Sydney Kingsford Smith Airport flight paths, with around 13 overflights on a typical day, mostly departures.
What time do planes start over Alexandria?
The first movements typically pass over Alexandria around 7:11am, once the curfew (11 PM – 6 AM) ends. Traffic builds through the morning peak.
Is it quieter in Alexandria on weekends?
Slightly — weekends average about 21% fewer overflights than weekdays (12 vs 15 a day).
Do planes fly over Alexandria 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 7:01pm.

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 Alexandria.

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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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