Trethomas Drone No-Fly Zones & Airspace Map
Can you fly a drone in Trethomas? Yes — most of the Trethomas area can be flown under UK Open-category rules, provided you hold a valid CAA Flyer ID (required for drones 100 g and over since 1 January 2026), keep below 400 ft (120 m), and stay clear of any Flight Restriction Zones, active NOTAMs and protected sites that apply locally. The nearest FRZ is HMP Cardiff, about 12.4 km away. UK Drone Map displays drone no-fly zones, airspace classifications, Flight Restriction Zones (FRZs), NOTAMs, and conservation designations for the Trethomas area, a village in Wales. Data is sourced from NATS, OpenAIP, Natural England, NatureScot, Natural Resources Wales, and other official UK bodies.
Open the map for Trethomas →Flight Restriction Zones near Trethomas
The centre of Trethomas is outside all airport FRZs. Closest zones (centre-to-centre):
- HMP Cardiff FRZ — 12.4 km
- HMP Usk FRZ — 23.0 km
- St Athan RWY 25 FRZ — 23.5 km
- Cardiff FRZ — 24.3 km
Notable airspace & designations within 30 km of Trethomas
NNR features
- GORDANO VALLEY — 29.7 km
Ramsar Wetland features
- Severn Estuary — 24.1 km
- Severn Estuary — 27.3 km
- Severn Estuary — 28.0 km
- Severn Estuary — 28.0 km
- Severn Estuary — 28.1 km
- Severn Estuary — 28.1 km
Airspace types shown near Trethomas
UK Drone Map displays the following official airspace classifications in the Trethomas area:
- FRZ (Flight Restriction Zone) — designated volumes around aerodromes, sourced from NATS
- CTR (Control Zone) — controlled airspace from the surface upward around an aerodrome
- ATZ (Aerodrome Traffic Zone) — zone protecting aircraft in the aerodrome circuit
- MATZ (Military ATZ) — zone around military aerodromes, typically 5 nm radius
- TMA (Terminal Manoeuvring Area) — controlled airspace at junctions of airways
- CTA (Control Area) — controlled airspace above a minimum altitude
- Danger / Restricted / Prohibited areas — various restricted volumes
- NOTAMs — temporary notices from UK AIS covering UAS ops, obstacles, hazards
Conservation designations in the Trethomas region
The following statutory conservation designations are displayed on UK Drone Map:
- SSSI — Sites of Special Scientific Interest (England, Wales, Scotland)
- SAC — Special Areas of Conservation
- SPA — Special Protection Areas (bird habitats)
- Ramsar — Wetlands of international importance
- AONB / NSA — Areas of Outstanding Natural Beauty / National Scenic Areas
- National Parks — National Park boundaries
- National Trust — National Trust land
- Royal Parks — Royal Parks (where applicable)
- Forestry — Forestry England, Scotland and Wales land
Frequently asked questions — Trethomas
Where can I view the Trethomas airspace map?
UK Drone Map displays airspace, FRZs, NOTAMs, and conservation layers for the entire UK including Trethomas. Open https://ukdronemap.app/ and search for Trethomas to centre the map on the area.
Are there Flight Restriction Zones near Trethomas?
The centre of Trethomas is not inside an airport FRZ. The nearest Flight Restriction Zone is HMP Cardiff, about 12.4 km away — take care that your flight path does not cross its boundary, shown on UK Drone Map's FRZ layer. Always cross-check against the official NATS UK AIS before any operation.
How do I check NOTAMs for Trethomas?
UK Drone Map loads NOTAMs from the NATS / UK AIS feed. Toggle the NOTAM layers in the Layers tab to view active notices for the Trethomas area. NOTAMs are refreshed with each data update.
Are there conservation areas near Trethomas?
UK Drone Map displays SSSI, SAC, SPA, Ramsar, AONB, National Park, National Trust, Royal Parks, and Forestry land designations. Enable the Conservation layers in the Layers tab to see what applies near Trethomas.
Drone airspace maps near Trethomas
Data sources
All airspace and conservation data displayed by UK Drone Map for the Trethomas area comes from official UK sources:
- NATS / UK AIS — Flight Restriction Zones, NOTAMs
- OpenAIP — Airspace definitions (CTR, TMA, ATZ, MATZ, etc.)
- Natural England — SSSI, SAC, SPA, Ramsar, AONB, NNR (England)
- NatureScot — SSSI, SAC, SPA, NNR, NSA (Scotland)
- Natural Resources Wales — Conservation designations (Wales)
- DAERA / NIEA — Conservation designations (Northern Ireland)
- National Trust — National Trust land boundaries
- Forestry Commission — Forestry land England, Scotland, Wales
UK Drone Map is a reference and planning aid only. It is not a substitute for official NATS AIS data, CAA guidance, or the legal pre-flight obligations placed on drone operators under UK aviation law. All data must be verified against official sources before any operation. Place data © OpenStreetMap contributors (ODbL).