SAN FRANCISCO (KCBS) – Pilots flying into San Francisco International Airport will once again be able to land with the help of an important piece of equipment that was out of service when an Asiana ...

The Horus Vision ASLI gives the long distance shooter a slope indicator and CANT indicator in a single, precision engineered, hermetically sealed unit so officers don't have to hang multiple gauges ...

The visual approach slope indicator (VASI) and precision approach path indicator (PAPI) are light systems on the side of a runway threshold that provide visual descent guidance information during ...

Inertial pigging of a short section on the 323-mm (12 in. nominal) OD Norman Wells crude oil pipeline from Norman Wells, NWT, to Zama, Alta., revealed the line had experienced an increase in internal ...