If you just look at typical cruising speed, the fastest is the Boeing 747-400ER (used only by Qantas), which cruises at Mach 0.855 (495 knots at 35,000 ft). The fastest civilian aircraft currently in operation is the Cessna Citation X, which cruises at Mach 0.92 (525 knots at 35,000 ft). Views Â· View Upvotes.
The Vietnamese currency is the dong (abbreviated to âdâ). US dollars are also widely used, though less so in rural areas. For the last few years the dong has been fairly stable at around 21,000d to the dollar. Where prices on the ground are quoted in dong, we quote them in dong. Likewise, when prices are quoted in dollars, we follow suit. Thereâs no real black market in Vietnam.
The Vietnamese are the poor country with Hanoi as the capital city. It has the 2nd most world cheapest currencies. The name of the Vietnamâs currency is Vietnam Dong. It introduced the dong for the first time in 1946. And replaced the French Indochinese piaster. The first note of the currency was issued in 1976, but the dong has been least rated since the day of its inception.