Japan Airlines is conducting a "Shades Closed
Exercise" across 17 domestic airports in Japan and 5 airports
overseas, where window shades of parked aircraft will be shut in
order to block out the sunlight to keep temperatures in the
interior from rising. By doing so, the amount of air conditioning
required in the cabin prior to boarding and flight is
significantly reduced, which in turn can reduce the amount of
energy consumed and carbon dioxide (CO2) gas emitted.
During the summer this year, from July 14 to
July 24, JAL conducted a trial in domestic airports in Japan,
whereby window shades of aircraft that were parked overnight were
closed by ground staff during cabin cleaning. Results have showed
that on average, the amount of time needed for air conditioning
for large aircraft were reduced by 35 minutes and for small
aircraft by 21 minutes. The combined effect of the 650 flights
that were involved in the trial is a substantial drop in CO2
emissions by 55 tonnes.
The JAL Eco Jet, a Boeing 777 aircraft painted
in a special green livery to promote environmental awareness, was
also included in the trial. With the participation of passengers
who traveled on the Eco Jet and who helped close the shades of the
side of the aircraft facing the sun before disembarking, a total
of 0.8 tonnes of CO2 emissions was reduced over the 18 flights
conducted during the trial period as a result of shortening the
time needed for air conditioning for each flight by 23 minutes.
Following the significant findings from the
trial, JAL has expanded this ecological measure to even more
airports in Japan and around the world where JAL flies to.
Aircraft parked at participating airports Honolulu, Los Angeles,
Hong Kong, Guam and Taipei, will now have their shades closed.
While ground staff will close the shades of aircraft parked
overnight, passengers will otherwise be requested to support this
environmental action by helping to close the shades before leaving
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