Residual Fuel Oil is a topped crude oil or viscous residuum that, as obtained in refining or after blending with other fuel oil, meets or is the equivalent of Military Specification Mil-F-859 for Navy Special Fuel Oil and any more viscous fuel oil, such as No. 5 [Bunker B] or No. 5 [Bunker C].
Ngari Gunsa Airport, also known as Ali Airport, is the fourth highest-altitude airport in the world. The dual-purpose military and civil airport serves the city of Shiquanhe in Ngari Prefecture, south-west of China's Tibet Autonomous Region near the Indian border. The airport is situated at an elevation of 4,274m.iuzhai Huanglong Airport, China. Jiuzhai Huanglong Airport is located two kilometres from Chuanzhusi Town, in Songpan County of Aba Prefecture, Sichuan Province. It is the world's tenth highest altitude airport, at an elevation of 3,448m. Chengdu Shuangliu International Airport is located 240km from this airport.
The Ebright Road benchmark (NGS disk EBRIGHT AZI) was found to be 447.85 feet above sea level. Many people consider Centreville, Delaware to be the highest point in the state; however, a benchmark at Centreville has an elevation of only 445.58 feet making the Ebright Azimuth disk more than two feet higher.