Like small helicopters of our time, these probably would have a rather limited speed and range, but they would be extremely maneuverable.
Again we have a picture of four men walking with their inoperative helicopters moving in several different ways as the breeze and the men's motions cause them to move slightly.
The hum of their helicopters rose to a shrill whine as Chet drove the ship out and down through the smothering clouds.
One or more helicopters may be restricted to contaminated areas; use ground vehicles to cross the line separating clean and contaminated areas.
Requiring all ambulances and helicopters with contaminated (or suspected) patients to stay downwind of the MTF.
All contaminated patients, ambulances, and helicopters must arrive on the downwind side of the MTF; this must be done with or without CPS.
The muffled beating of great helicopters was sounding in his ears; outside, a ship was landing.
Boys in playing with toy helicopters to-day can run them with rubber bands, but Da Vinci had to turn his screw by human power.
Early the next morning, with all hands on duty, the Viking's helicoptersbegan to drop her down into the cloud-mass.
From his place in the dome, Gerry could see the Viking's dozen big helicopters begin to spin.
With helicopters spinning, the Viking rose a thousand feet in the air.
The muzzle of the ray-gun on the battlements glowed dully, the blast of the supode-rays struck the row of spinning helicopters on top of the Viking's hull.
The ship from Mars settled gently down on the concrete landing platform, and her helicopters ceased to turn.
We got your radio messages, but couldn't reply because the ship's sending set is broken and I figured the helicopters were more important repairs.
The twisted remains of the shattered helicopters were ugly stumps along the space-ship's sleek back.
With her ray-guns flashing and ripping black swathes in the scaly ranks below, with her helicopters spinning to take the strain as the blast of the rockets died away, the Viking settled rapidly groundward.
Then the rockets ceased, and the ship began to drop down as the helicopters were unfolded to take the weight and lower her easily through the atmosphere.
Other murky beams stabbed up to meet her, but her duralite hull was impervious to the rays and Angus kept her high enough so that the helicopters were protected by the curve of the hull.
Then she shot ahead, while the helicopters dropped down into recesses within the hull and duralite covers slid into place over them.
She hung motionless on her helicopters to let the Viking pass, her siren giving a salute of three long blasts while her passengers crowded the decks to cheer the space-ship.
If we ever get those helicopters fixed, I'm all for a quick return to Earth.
The twisted wrecks of her helicopters were still visible on top of the hull, but otherwise she did not appear to be damaged.
Army brigade of the 10th Mountain Division with helicoptersreplaced much of the carrier air wing and flew off the carrier Eisenhower during the Haiti operation.
Use the carrier to haul the army to war, and then fly the fighters aboard after the helicopters or tanks are unloaded.
The police called and claimed someone reported seeing, from the air, three helicopters being stolen from our roof.
You have to walk up a flight of stairs to get there," said Westervelt, thinking of the department's three helicopters garaged on their private tower roof.
The yard lay open to the wrath of the helicopters, but the helicopters made no move.
The rockets took off on fountains of fire; and the jets took off with a whistling roar; and last of all, the helicopters took off .
The recall signal had come and the helicopters were swooping home to Hap Arnold Field.
The helicopters were still riding their picket line, glowing softly in the early light that promised sunrise.
The engines had already been started, and the helicopters had begun to turn, flickering swiftly in their turbine-tubes.
The droning of thehelicopters rose to a shrill hum.
The only witnesses were the Arabian Desert stars; the only requiem the droning of the helicopters far above, where Nissr hung with her gleaming lights like other, nearer stars in the dense black sky.
Her helicopters were droning with all the force that could be flung into them from the crippled power-plant.
The high-pitched drone of the helicopters told that the crippled engines were doing their best; but even that best was not quite enough.
The roar of the propellers lessened; and at the same time, the increasing hum of the helicopters made itself heard, counterbalancing the loss of lifting power of the planes, yet gradually letting the air-liner sink.
The helicopters began to turn, to buzz, to roar into furious activity, seeking to check the plunge.
The drone of the helicopters sank to a sullen murmur; and down below, waves began combing angrily over the gallery.
He came back out of control--couldn't check his speed against the repelling area--shot through and stripped his helicopters off against the heavy air.
Her hull of silver was striped with a broad red band; her multiple helicopters were dazzling flashes in the sunlight.
His speed of descent built up to appalling figures until his helicoptersfound air to take their thrust.
No helicopters swung their blades above; there were only the bulge of a conning tower and the heavy inset glasses of the lookouts.
He saw the silent crumbling of great buildings; he glimpsed in one wild second the whirling helicopters on giant freighters that took the air too late; he saw them vanish as the sea swept in and engulfed them.
He was dimly aware of the thunder of exhausts and the shrill scream of helicopters as he reached the upper surface of the red ship and forced his unconscious burden into the emergency slot above his head.
Thousands and thousands coming back into the city after going home to lunch--and every day the number of helicopters is increasing!
The giant freight helicopters could land readily in the wide field that had been cleared on the small plateau, in the center of which nestled a little blue lake and a winding trout brook.
The Army's favorite helicopters were huge, with a main rotor almost fifty feet in diameter, but they could turn on a dime and these did.
Two Apache helicopters were hovering and they were firing on .
Knahr and the four gunners disappeared; the helicopters began to lumber away.
Most of them were not fully grown; some were so immature as to be unrecognizable to an untrained eye; but from all four helicopters hand-guns snapped and cracked.
And of taking care of various little details, such as faking an official request for thehelicopters to come out two hours ahead of time, getting Val off to find her at the proper time, and so on.
It seemed he saw helicopters overhead, bearing the bright blue insignia of the Royal Guard and then there was nothing but the blackness.
And it would be logical that he fought off our helicopters to keep them from discovering his tanks massing in that area.
The fighting had stopped, a long way off, apparently because the helicopters had been withdrawn.
If any tanks crawled there, in the spaces the helicopters swept clear, they would be visible at once and would be shelled by batteries miles away, batteries invisible under the artificial cloud-bank.
The enemy sent four helicoptersin a wide sweep behind the American lines, escorted by fifty fighting planes.
Helicopters brought some Bulgarians down, by the way, and oxygen brought them to.
Tom, looking back from the soaring jet, could see one of the helicopters on its way to the missile ship to deliver the first batch of tapes.
Sir, I'd like helicopters readied for take-off immediately," Tom said.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "helicopters" in a variety of sentences. We hope that you will now be able to make sentences using this word.
