Why do planes fly so low over east Belfast?

George Best Belfast City Airport sits in Sydenham, barely 3 km from the city centre, and its single runway 04/22 points south-west straight at east Belfast. When aircraft land on runway 04 or depart off runway 22, they pass low over Sydenham, Strandtown, Belmont and Ballyhackamore — arrivals at a few hundred metres on final approach. Drop a pin on the map above to see how often your street is overflown.

Which parts of Belfast are quietest for aircraft noise?

West and north Belfast, plus most of south Belfast away from the extended centreline, hear very little from City Airport. Across the lough, Whiteabbey and Jordanstown stay quiet because the over-water corridor keeps traffic offshore. The affected band is narrow — Sydenham, Strandtown, Belmont, Ballyhackamore and Bloomfield in east Belfast, plus Holywood and Cultra along the County Down shore. Note that Belfast International (Aldergrove) is a separate airport ~30 km north-west with its own flight paths.

Is Holywood affected by Belfast City Airport flight paths?

Yes. Holywood sits on the County Down shore of Belfast Lough directly beside the flight corridor — runway 22 arrivals descend low just offshore, and runway 04 departures climb out past the town before turning north over the water. Cultra and, further out, Bangor are under the same corridor at progressively higher altitudes. The over-water routing softens the impact compared with east Belfast, but shoreline streets hear regular traffic.

How many flights use Belfast City Airport each day?

The Planning Agreement caps annual movements at 48,000 (commercial plus general aviation combined), which works out at an average of roughly 130 movements a day — though real days vary with schedules and season. All of it is packed into the 6:30 AM to 9:30 PM operating window, so the hourly rate is busier than the annual figure suggests. The live counter above shows actual traffic today.

Does Belfast City Airport route flights over the water?

Where it can, yes. The noise abatement regime in the Planning Agreement is designed so the majority of flights approach and depart over Belfast Lough rather than the city — around 52% as reported in 2017. Departures off runway 04 over the lough must turn left to head north at 500 ft and may not turn back south over land until 2,000 ft (turboprops) or 3,000 ft (jets). Wind direction decides the rest — southwesterlies force departures out over the city.

How do I complain about aircraft noise from Belfast City Airport?

The airport runs a dedicated aircraft noise line on +44 (0)28 9093 5020, handled by its noise and track monitoring team, which checks flights against the agreed noise abatement tracks. Complaints and monitoring data feed into the airport's reporting obligations to the Department for Infrastructure under the Planning Agreement. Details are on the airport's environment pages.

Is this Belfast International Airport or Belfast City Airport?

This page covers George Best Belfast City Airport (BHD/EGAC) in Sydenham, east Belfast — the one 3 km from the city centre. Belfast International Airport (BFS/EGAA) at Aldergrove is a separate, larger airport about 30 km north-west of the city with 24-hour operations and completely different flight paths. If you live in east Belfast or along the lough shore, City Airport is almost certainly what you're hearing.

Will Belfast City Airport get busier?

Growth is constrained by law. The 2019 modified Planning Agreement kept the 48,000 annual movement cap and replaced the old 2-million departing-seats cap with a noise-based limit — the area inside the 57dB daytime noise contour must not exceed 5.2 sq km measured over the summer. That means the airport can only grow within a fixed noise envelope, and quieter aircraft are the main route to more flights.

Belfast City Flight Path Noise Map – George Best Belfast City Airport (BHD)

Name: Aircraft noise observations near George Best Belfast City Airport
Creator: Flight Path Noise
License: https://creativecommons.org/licenses/by/4.0/

Aircraft noise around Belfast City in October 2026

Loudest neighborhoods near Belfast City: Sydenham, Belmont, Strandtown, Holywood. Quietest: Whiteabbey, Jordanstown, Bangor, Dundonald. Busiest around noon local time averaging 106 flights/day. Source: Flight Path Noise monitoring data, 30 days to 2026-10-19.

Flights by hour · last 30 days

12a6a12p6p

Average daily traffic

106

flights / day · 3,177 total

Busiest hour

noon

peak 93 dB

Loudest hour

7 PM

peak 95 dB

Loudest residential area

Strandtown

68 dB avg · ~88 flights/day · Busy road

Inner east Belfast under the straight-ahead departure track off runway 22 and the runway 04 final approach

Does Belfast City Airport have a curfew?

Yes — a legally binding 6:30 AM to 9:30 PM operating window, with financial penalties for late flights.

Belfast City Airport operates under a legally binding Planning Agreement with the Department for Infrastructure (most recently modified in July 2019) that permits flights only between 6:30 AM and 9:30 PM. Delayed aircraft may use the airport during “Extended Hours” (9:31 PM to 11:59 PM) only in exceptional circumstances, and the airport must file bi-monthly reports to the Department listing every late movement and why it happened. Any flight arriving or departing after 9:30 PM incurs a financial penalty paid into the airport’s Community Fund, and the airport is closed to all movements between midnight and 6:30 AM. The same agreement caps annual movements at 48,000 and limits the area inside the 57dB daytime noise contour to 5.2 square kilometres — one of the tightest regulatory regimes of any UK airport, a direct consequence of the runway sitting three kilometres from Belfast city centre.

George Best Belfast City Airport (BHD/EGAC) sits barely 3 km from Belfast city centre, wedged between the terraced streets of Sydenham and the open water of Belfast Lough — one of the closest city-centre airports in the UK. Its noise story is defined by a legally binding Planning Agreement with the Department for Infrastructure: aircraft may only operate between 6:30 AM and 9:30 PM, annual movements are capped at 48,000, and since 2019 a 57dB noise-contour limit has replaced the old seats-for-sale cap. Noise abatement rules push the majority of flights out over the lough, so the result is a sharp split — streets under the runway in east Belfast and along the Holywood shore hear regular low overflights, while most of the rest of the city hears very little.

Which neighborhoods are quietest — and which aren’t

The airport has a single runway, 04/22 (1,829 m), aligned north-east/south-west. The 04 end faces south-west toward Sydenham and east Belfast, so approaches to runway 04 come in low over the city; the 22 end faces north-east onto Belfast Lough, so approaches to runway 22 descend along the water past Bangor, Cultra and Holywood. Every flight uses one of these two tracks, which makes exposure unusually predictable: you are either in the narrow band under the runway axis or you are not.

Area	Aircraft noise	Why
Sydenham	✈︎✈︎✈︎	Directly under the 04 approach and 22 climb-out; aircraft at their lowest
Belmont	✈︎✈︎✈︎	Close to the extended centreline; low overflights on city-side operations
Strandtown	✈︎✈︎✈︎	Under the straight-ahead 22 departure track and 04 final approach
Holywood	✈︎✈︎✈︎	Beside the lough corridor; 22 arrivals pass low just offshore
Ballyhackamore	✈︎✈︎	Under or near the 04 approach at roughly 300–500 m
Bloomfield	✈︎✈︎	Near the extended centreline; city-side arrivals and departures
Knock	✈︎✈︎	Slightly east of the centreline; audible but usually offset
Cultra	✈︎✈︎	Under the lough corridor; aircraft still fairly low
Titanic Quarter	✈︎✈︎	West of the runway axis; ground noise more than overflight
Cregagh	✈︎✈︎	Under the longer 04 final; aircraft higher but on a fixed track
Whiteabbey	✈︎	Co. Antrim shore; the over-water corridor stays offshore
Jordanstown	✈︎	North shore of the lough; distant over-water traffic
Bangor	✈︎	Under the long 22 approach but aircraft still 600–900 m up
Dundonald	✈︎	East of the runway axis, off the main corridors

The practical picture for house-hunters: the high-exposure band is tight — inner east Belfast between Sydenham and Ballyhackamore on the city side, and the Holywood shoreline on the lough side. West Belfast, north Belfast and most of south Belfast are effectively clear of City Airport traffic (though remember Belfast International at Aldergrove is a separate airport with its own paths, ~30 km north-west). If you’re weighing up a street in east Belfast or along the County Down shore, drop a pin on the map above to see exactly how many flights pass over that address.

Flight patterns and runway use

Prevailing southwesterly winds mean runway 22 is used most often: arrivals descend along Belfast Lough from the north-east, passing offshore of Bangor, Cultra and Holywood, while departures climb out south-west over Sydenham and inner east Belfast — and must fly straight ahead until reaching the required altitude before turning, which is why Strandtown and Belmont hear departures as consistently as arrivals.

When the wind swings and runway 04 takes over, the pattern reverses: approaches come in across south and east Belfast (Cregagh, Ballyhackamore, Bloomfield, then Sydenham at very low altitude), and departures head north-east over the lough. Over-water departures are tightly choreographed by the noise abatement procedures — a left turn to head north at 500 ft, with no turn back south over land until 2,000 ft for turboprops or 3,000 ft for jets. That early left turn is what Jordanstown and the north-shore towns occasionally hear.

The Planning Agreement’s noise abatement regime is explicitly designed so that the majority of flights approach and depart over the lough rather than the city — around 52% as reported in 2017 — and the airport’s noise-and-track monitoring system checks every flight against the agreed tracks, with departure noise-limit exceedances penalised into the Community Fund. On the map above, the route-density layer makes the geometry obvious: one bright corridor running up the lough past Holywood, and a shorter, sharper one across inner east Belfast.

Two hard caps shape the totals. Annual movements — commercial and general aviation combined — may not exceed 48,000, and the area inside the 57dB LAeq 16-hour daytime noise contour must not exceed 5.2 sq km measured over the summer. The 2019 modification that introduced the contour limit removed the previous cap of 2 million departing seats per year, trading a passenger ceiling for a noise ceiling.

When is it quietest?

Belfast City’s operating window compresses all traffic into 15 hours, which gives the day a distinctive shape:

Midnight – 6:30 AM: closed. No movements at all — the Planning Agreement window, not a voluntary policy.
6:30 AM – 9 AM: the morning bank. The first wave of departures to Great Britain — London, Manchester, Birmingham, Glasgow, Edinburgh — goes out quickly after opening, so early risers under the flight path notice a burst of activity from 6:30 sharp.
Mid-morning to mid-afternoon: steady rotations of turboprops and short-haul jets; moderate, evenly spread.
Late afternoon – early evening: the return bank, as morning departures rotate back. The busiest arrivals period.
9 PM – 9:30 PM: the last scheduled movements race the deadline.
After 9:30 PM: normally silent. Delayed aircraft may arrive up to 11:59 PM only in exceptional circumstances, each one penalised and reported to the Department for Infrastructure.

Wind matters as much as the clock. A runway-22 day (the common case) puts departures over east Belfast and arrivals over the lough; a runway-04 day flips arrivals onto the city side, which is when Cregagh-to-Sydenham streets notice approach noise most. The hourly breakdown in the pin-drop report above shows how your address fares on a typical day.

How to check noise at your specific address

The map above answers “is this street loud?” in three steps:

Search your address or postcode in the bar at the bottom of the map.
Drop a pin — click the location marker that appears.
Read the noise report that opens in the sidebar: average daily noise (Leq), peak observed dB, flights per day passing within 2 km, and an hourly breakdown.

The Noise Heatmap layer (orange/red = louder) and the Route Density layer (purple/magenta = busier corridors) show Belfast City’s two-track geometry clearly — the lough corridor and the east Belfast corridor, with quiet almost everywhere else. Because the runway axis is fixed and the noise abatement tracks are legally enforced, the pattern you see in the data is unusually stable year to year: if your pin drops in a green zone today, the Planning Agreement is what keeps it that way.

Frequently asked questions

Why do planes fly so low over east Belfast?: George Best Belfast City Airport sits in Sydenham, barely 3 km from the city centre, and its single runway 04/22 points south-west straight at east Belfast. When aircraft land on runway 04 or depart off runway 22, they pass low over Sydenham, Strandtown, Belmont and Ballyhackamore — arrivals at a few hundred metres on final approach. Drop a pin on the map above to see how often your street is overflown.
Which parts of Belfast are quietest for aircraft noise?: West and north Belfast, plus most of south Belfast away from the extended centreline, hear very little from City Airport. Across the lough, Whiteabbey and Jordanstown stay quiet because the over-water corridor keeps traffic offshore. The affected band is narrow — Sydenham, Strandtown, Belmont, Ballyhackamore and Bloomfield in east Belfast, plus Holywood and Cultra along the County Down shore. Note that Belfast International (Aldergrove) is a separate airport ~30 km north-west with its own flight paths.
Is Holywood affected by Belfast City Airport flight paths?: Yes. Holywood sits on the County Down shore of Belfast Lough directly beside the flight corridor — runway 22 arrivals descend low just offshore, and runway 04 departures climb out past the town before turning north over the water. Cultra and, further out, Bangor are under the same corridor at progressively higher altitudes. The over-water routing softens the impact compared with east Belfast, but shoreline streets hear regular traffic.
How many flights use Belfast City Airport each day?: The Planning Agreement caps annual movements at 48,000 (commercial plus general aviation combined), which works out at an average of roughly 130 movements a day — though real days vary with schedules and season. All of it is packed into the 6:30 AM to 9:30 PM operating window, so the hourly rate is busier than the annual figure suggests. The live counter above shows actual traffic today.
Does Belfast City Airport route flights over the water?: Where it can, yes. The noise abatement regime in the Planning Agreement is designed so the majority of flights approach and depart over Belfast Lough rather than the city — around 52% as reported in 2017. Departures off runway 04 over the lough must turn left to head north at 500 ft and may not turn back south over land until 2,000 ft (turboprops) or 3,000 ft (jets). Wind direction decides the rest — southwesterlies force departures out over the city.
How do I complain about aircraft noise from Belfast City Airport?: The airport runs a dedicated aircraft noise line on +44 (0)28 9093 5020, handled by its noise and track monitoring team, which checks flights against the agreed noise abatement tracks. Complaints and monitoring data feed into the airport's reporting obligations to the Department for Infrastructure under the Planning Agreement. Details are on the airport's environment pages.
Is this Belfast International Airport or Belfast City Airport?: This page covers George Best Belfast City Airport (BHD/EGAC) in Sydenham, east Belfast — the one 3 km from the city centre. Belfast International Airport (BFS/EGAA) at Aldergrove is a separate, larger airport about 30 km north-west of the city with 24-hour operations and completely different flight paths. If you live in east Belfast or along the lough shore, City Airport is almost certainly what you're hearing.
Will Belfast City Airport get busier?: Growth is constrained by law. The 2019 modified Planning Agreement kept the 48,000 annual movement cap and replaced the old 2-million departing-seats cap with a noise-based limit — the area inside the 57dB daytime noise contour must not exceed 5.2 sq km measured over the summer. That means the airport can only grow within a fixed noise envelope, and quieter aircraft are the main route to more flights.

Sources and further reading

George Best Belfast City Airport Planning Agreement — Department for Infrastructure (Northern Ireland)
Department signs new Modified Planning Agreement with George Best Belfast City Airport — Department for Infrastructure (Northern Ireland)
Aircraft Noise Concerns — George Best Belfast City Airport
GBBCA Noise Action Plan 2019–2024 — George Best Belfast City Airport
George Best Belfast City Airport — Wikipedia — Wikipedia

Data updated 2026-10-19 — live ADS-B monitoring, rolling 30-day statistics (methodology). Article text revised 2026-07-17.

30 dB	Whisper
45 dB	Quiet residential
55 dB	Normal conversation
65 dB	Busy road
75 dB	Vacuum cleaner
85 dB	Heavy traffic
95 dB	Motorcycle nearby

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Belfast City Flight Path Noise Map – George Best Belfast City Airport (BHD)

Aircraft noise around Belfast City in October 2026

Does Belfast City Airport have a curfew?

Which neighborhoods are quietest — and which aren’t

Flight patterns and runway use

When is it quietest?

How to check noise at your specific address

Frequently asked questions

Sources and further reading

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