Sentence examples for upper airspace from inspiring English sources

At midnight last night, the minimum vertical separation of aircraft in upper airspace was halved from 2,000 to 1,000 feet.

Moreover, congestion was reduced and punctuality sharply improved by a measure introduced in January to halve the minimum vertical space -- to 1,000 feet, from 2,000 -- required between civilian passenger jets in the upper airspace.

In upper airspace, above about 25,000 feet (7,500 metres), pilots may be allowed free route choices provided that flight tracks and profiles have been agreed on in advance.

Airspace is divided by flight levels into upper, middle, lower, and controlled airspace.

a Frontal chest x-ray demonstrating upper lobe prominent course interstitial markings, patchy areas of increased airspace opacity, and bronchiectasis involving the lungs bilaterally.

(a) Axial low-dose CT shows an 8-mm cystic airspace with thin irregular non-solid wall in the upper left lobe (arrow).

Chest radiography and HRCT demonstrate bilateral airspace consolidation, which tends to involve mainly the peripheral lung regions and the upper lobes.

13 In the case of upper lobe fibrosis, the biopsy specimen contained apical cap-like subpleural dense fibrosis composed of airspace fibrosis (intraluminar organisation) with collapse and increased elastic framework.

Chest radiography and HRCT show bilateral airspace consolidation, which tends to involve mainly the peripheral lung regions and the upper lobes (Rossi et al, 2000; Cleverley et al, 2002).

The view is based on the lack of any evidence from countries along the northern corridor that the plane entered their airspace, and the failure to find any trace of wreckage in searches in the upper part of the southern corridor.

Ambitions above our airspace.