The phrase "airspace in which" is correct and usable in written English.
It can be used when discussing specific areas of airspace related to aviation, regulations, or geographical contexts.
Example: "The aircraft was flying in the airspace in which commercial flights are restricted."
Alternatives: "airspace where" or "airspace that".
Last week, Chris Christie said that he would set up a no-fly zone in the Syrian airspace in which the Russians are now operating, and shoot down any planes that entered it.
It is divided into controlled airspace, in which aircraft must always be under the control of an air traffic controller, and uncontrolled airspace, in which aircraft can operate autonomously.
But in 2007 the FAA took further enforcement action against Gibbs, a veteran pilot who also did helicopter work for the show "The Amazing Race". His pilot certificate was suspended for 45 days for "failing to remain in two-way-radio communication with air traffic controllers while flying in airspace in which two-way radio communication is required," the agency said.
Gradually, an entire AirSpace geography grows, in which you can travel all the way around the world and never leave it.
Experiments using CCR2 knockout mice demonstrated that CCR2 plays a major role in the recruitment of fibrocytes into the airspace of mice in which fibrosis was induced using FITC [ 27].
The reason for this congestion is not insufficient airspace but the unbelievably inefficient way in which European airspace is managed.
"Flight 17 flew over the airspace of the area in which the aforesaid rebel army was waging its war activities and the rebel army under the command responsibility of defendant Girkin shot down the subject Boeing 777-200 aircrafthe the lawsuit adds.
As drones increasingly fly through our cities in the coming years — delivering our latest order from Amazon or other on-demand retailers — the regulation of our airspace and the environment in which we co-exist with flying robots becomes more and more present and real.
DCVC recently invested in Fortem Technologies, and Shasta Ventures in AirSpace, which make Star Wars-ish systems of AI-based drones whose only role is to automatically detect, identify and slam into drones that wander into unauthorized airspace — say, over a private estate, or a factory.
Sodium-driven AFC was measured in vivo at 37°C over a 15-min period using an in situ nonventilated model in which the airspace was instilled with an isoosmolar Ringer's lactate solution containing I-albumin, as previously described (Planès et al, 2005; Randrianarison et al, 2007, 2008).
It emphasises that it is responsible for the largest, most complex airspace in the world, which, unlike other countries', is used by a large general aviation fleet.
