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  2. Noticed low-flying helicopters? Here’s why they may be doing ...

    www.aol.com/noticed-low-flying-helicopters-why...

    In it, planes must maintain a minimum altitude, usually about 1,000 feet, over a populated area. However, according to another part of the law, helicopters are not bound by these minimum altitudes ...

  3. Senator questions military helicopter flights near civilian ...

    www.aol.com/news/senator-questions-military...

    The top Democrat on the Senate Commerce Committee said Thursday the United States needs to reconsider the significant military helicopter flights near one of the most congested U.S. airports after ...

  4. Terrain-following radar - Wikipedia

    en.wikipedia.org/wiki/Terrain-following_radar

    TSR-2 XR220 at RAF Museum Cosford, 2002. Ferranti developed the first terrain-following radar specifically for the TSR-2. Terrain-following radar (TFR) is a military aerospace technology that allows a very-low-flying aircraft to automatically maintain a relatively constant altitude above ground level and therefore make detection by enemy radar more difficult.

  5. Nap-of-the-earth - Wikipedia

    en.wikipedia.org/wiki/Nap-of-the-earth

    Helicopters are capable of flying with no more than a few feet of clearance below the helicopter's skids or wheels. Fast jets are more constrained and at a typical low-flying speed of 450 knots (830 km/h), 200 feet (61 m) is not unusual and 50 feet (15 m) is possible in relatively flat terrain.

  6. Low flying military training - Wikipedia

    en.wikipedia.org/wiki/Low_flying_military_training

    Low flying Tornado near Grasmere, UK. In the UK, low flying means fixed-wing aircraft at less than 2000 feet from the ground or light propeller driven aircraft and helicopters below 500 feet from the ground. [3] Low flying is permitted across the majority of the UK except for large urban areas, civil airports and some industrial and medical sites.

  7. Here’s why you may soon see an uptick in military aircraft ...

    www.aol.com/why-may-soon-see-uptick-012047888.html

    You may notice an increase in military aircraft flying over Miami-Dade County in the upcoming days, but fear not: There is no need to panic. A Department of Defense exercise from Jan. 24-25 will ...

  8. Prohibited airspace - Wikipedia

    en.wikipedia.org/wiki/Prohibited_airspace

    Moreover, the flying of helicopters within the limits of Paris (designated the Boulevard Périphérique) is also forbidden. Special authorisation can be granted by the Prefecture of Police for helicopters undertaking precise missions such as police air-surveillance, air ambulances but also transport of high-profile personalities.

  9. They say sheriff's helicopters buzz lowest over Black homes ...

    www.aol.com/news/sheriffs-helicopters-buzz...

    Two groups studying the effects of helicopters on the health of county residents are suing the L.A. County Sheriff's Department over records on its chopper fleet.