IntroductionAir Photo Services is a leading UK provider of specialist independent interpretation of aerial imagery for heritage, planning, environmental and legal applications. Working nationally and internationally we provide detailed expert interpretation and mapping from modern and historical aerial photographs, satellite and Airborne Laser Scan (ALS, also known as LiDAR) imagery. We deliver our services as consultancy advice, written reports, GIS-ready mapping and authoritative presentation of expert witness evidence in court, adjudication or Public Inquiry.