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 Dong is the official currency of Vietnam.There are 10 hao in a dong, and 10 xu in a hao. Hao and xu, however, are pretty small beer in monetary terms-they are no longer issued, so stick to dong. quick hunt around reveal a few sites that donât look too, how shall we put it-corporate, such as dealorbuydinar.com (who also trade in Iraqi Dinar). The cross is USD/VND (hereâs a quote for the currency pair: forexpros.com. The Vietnamese currency is pegged to the US dollar and has been for some time.