Re: 747-400 Initial Cruise

Date:         21 Nov 97 01:59:53 
From:         Jan-Olov Newborg <>
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Filip De Vos wrote:
> Jan-Olov Newborg ( wrote:
> : Boeing 767 flying from Bangkok to Europe, many the times get final level
> : 270 inbound New Dehli, a common level for Beach 200, all because B767
> : cruises to slow compared to B747-400 and MD11 and traffic control keeps
> : 767 down at low alt. After India over Afganistan and Russia higher level
> : is given to the slow B767.
> So much for Boeing's marketing claims that the big wing of the 767
> allowed the aircraft to climb to high altitude quicker, giving an
> advantage over the small-winged A310.

If modern nav-ATC equippment for freer flight (lateral airways) like the
Swedish proposed ADS-B system, the problem not letting aircraft up high
enough initially would be solved.

US Airforce use the GNSS-transponder today for C5b Galaxy formation
flying and Navy F18 Hornet is testing it.

Jan-Olov Newborg