its equipage the Tu-154 underwent two test flights on 30 July to demonstrate
the system. The first test flight lasted 2.5hr and the second flight 4hr.
aircraft involved is a 16-year old example registered RA-85740.
has struggled to maintain the Glonass constellation
and commercial aircraft have relied on the US-operated Global Positioning
System (GPS) for satellite positioning. GPS capability has become a standard
component of commercial avionics.
Atlant-Soyuz says that the installation is the first
time in the history of Russian civil aviation that an aircraft has been fitted
with systems to navigate using Glonass.
of Glonass into the unified air navigation system
allows cross-checking of designated routes,” says the carrier. “Every five
seconds the system performs correction of the designated route which enables
compliance with the requirements of air navigation.”
says that the issue of ensuring accurate and economical navigation is crucial
given the increase in air traffic and says that modern technology is essential
to providing this accuracy.
into operation a Russian passenger aircraft equipped with Glonass
avionics, says Atlant-Soyuz, marks one of the first steps by Russia’s
civil aviation industry towards realisation of the Government’s plans for the