Answer:
There are several records for the "fastest plane" depending on what type of aircraft you are talking about.


Air Speed Records

Manned airbreathing jet aircraft: Lockheed SR-71 Blackbird -- 3,530 km/h (2,194 mph), set in 1976
Unmanned Air-launched hypersonic scramjet: NASA X-43A --12,144 km/h (7,546 mph), set in 2004
Manned Air-launched jet aircraft (incapable of breathing air): North American X-15, 7,274 km/h (4,520 mph), set in 1967


As a comparison, commercial jetliners such as the Boeing 747 cruise at about 500 mph (885 km/h).
Note: There are comments associated with this question. See the discussion page to add to the conversation.
First answer by Emhed. Last edit by KMac. Contributor trust: 993 [recommend contributor recommended]. Question popularity: 6 [recommend question].

Can you answer these Biggest, Strongest, Fastest and Other Superlatives questions?

How long is the biggest volcano? Answer it!
How strong is the average man? Answer it!
What is the smallest light house in the coastal? Answer it!
Who is the most popular author in Britain? Answer it!
What life was like on the frontier? Answer it!

Relevant answers:

Home

Answer these

What colour is the blood going to the heart?
In: Heart
Answer it!
What types of organs are there in the heart?
In: Heart
Answer it!
What is the job of VBA Analyst?
In: Job Interviews
Answer it!
When an action heroine in movies look anorexia with puny arm's and a puny body and young kids today want to look like her what example is that image presenting to the younger generation?
In: Movies
Answer it!
» more

Recent questions

Featured guides

» More