Roman Catholic Diocese of Sion Roman Catholic Diocese of Sion The Diocese of Sion (, , ) is a Roman Catholic ecclesiastical territory in the canton of Valais, Switzerland. It is the oldest bishopric in the country and one of the oldest north of the Alps. The history of the Bishops of Sion, of the Abbey of St. Maurice of Valais as a whole are inextricably intertwined. The see was established at Octodurum, now called Martigny, the capital of the Roman province of Alpes Poeninae. The first authentically historical bishop was Saint Theodore/Theodolus (died in 391), who was present at the Council of Aquileia in
Aero Country Airport period ending December 31, 2015, the airport had 9,000 aircraft operations, an average of 25 per day: 100% general aviation. At that time there were 244 aircraft based at this airport: 90% single-engine, 7% multi-engine, 0% jets, 2% helicopters, and 1% gliders. Aero Country Airport Aero Country Airport is a privately owned public airport in McKinney, Collin County, Texas, United States, located approximately west of the central business district. The airport has no IATA or ICAO designation. The airport is used solely for general aviation purposes. Aero Country previously used the FAA LID of TX05 until at least July 1997.