0 used for describing an aircraft with wings that stay in the same position, rather than moving up and down or going round
Previously, trials had been made from helicopters and fixed-wing aircraft, but only obtaining spot measurements.
No fixed-wing aircraft sorties were authorised down to a height of 100 ft during either course.
We have our fixed-wing aircraft for reconnaissance duties.
It can fulfil many rôles which fixed-wing aircraft cannot.
The potential of slow-flying, low-flying, low-cost, fixed-wing aircraft in photography and surveillance is not realised to anything like its true potential.
Forty-seven of those reports were investigations into accidents to fixed-wing aircraft; 26 related to helicopter accidents.
Surely what we require is some form of fixed-wing aircraft carrier which can be produced at a reasonable price.
The helicopter may well develop traffics in addition to, not in substitution of, the services operated by fixed-wing aircraft.