Q: The place where a river meets the sea is called a(n) __________. A. estuary B. isthmus C. escarpment D. peninsula. A: Place where river meets sea is estuary. Log in to see link for more information.
Although The Guinness Book of Records recorded the XF-84H as the fastest propeller-driven aircraft ever built, with a design top speed of 670 mph (1,080 km/h) (Mach 0.9) and 623 mph (1,003 km/h) (Mach 0.83) during tests, this claim has been disputed.
The EH101 Merlin (now known as AW101) is a flexible medium-lift helicopter which can fly at a maximum speed of 309km/h making it one of the fastest military rotorcraft. It is produced by AgustaWestland for military and civilian applications.