Planes overhead in NP18
Newport, Cardiff. 431 of its 487 postcodes measured, the ones in Newport, January to August 2026.
From Bristol
Planes land and take off into the wind, so the weather decides which way Bristol flies, and that decides how many pass over NP18. Across its postcodes, January to August 2026:
- On a day it flies west (54% of days): under 1 a day at all 431 of its postcodes
- On a day it flies both ways (21% of days): up to 4 a day; of its 431 postcodes, 431 under 10
- On a day it flies east (25% of days): up to 10 a day; of its 431 postcodes, 1 at 10 to 99, 430 under 10
The table counts the postcodes of each sector by how many planes pass over them a day: 100 or more, 10 to 99, or under 10.
| Sector | Flying west54% of days | Both ways21% of days | Flying east25% of days |
|---|---|---|---|
| NP18 1112 postcodes | 112 under 10 | 112 under 10 | 112 under 10 |
| NP18 2174 postcodes | 174 under 10 | 174 under 10 | 1 at 10 to 99173 under 10 |
| NP18 3145 postcodes | 145 under 10 | 145 under 10 | 145 under 10 |
What counts as overhead
Overhead means more than halfway up the sky (48.5 degrees or more) and below 7,000 ft, the CAA's definition of an overflight (CAP 1498). A day counts as one way when 80% of its flights used that way.
Near NP18
BS20 BS21 BS11 BS10 BS49 BS35 BS22 BS8
The councils
Where these figures come from
Counted from community flight tracking, checked against the CAA's monthly totals for Bristol. Flight tracks: adsb.lol (ODbL 1.0); Weather at each airport: Iowa Environmental Mesonet; Ground heights: Contains OS data © Crown copyright and database right; Postcode positions: ONS National Statistics Postcode Lookup (OGL). Licence: Open Database License (ODbL) 1.0.