The following links may be of use to you:
- Airspace & Safety Initiative
- AOPA UK Training and Safety
- Association of Remotely Piloted Aircraft Systems (ARPAS)
- British Balloon and Airship Club (BBAC)
- British Gliding Association (BGA)
- British Hang Gliding and Paragliding Association (BHPA)
- British Microlight Aircraft Association (BMAA)
- CAA UAS/UAV Information and Guidance
- The General Aviation Safety Council (GASCo)
- Light Aircraft Association (LAA)
- SKYbrary - Portal:Toolkits