What is the maximum speed allowed in class B airspace?

Question

Below 10,000 Ft.

Answer 1

It's something of an aviation myth that Class B airspace has a 250 knot airspeed restriction. Technically there is no airspeed restriction within Class B airspace, although there is a 250 knot restriction below 10,000 feet. While most Class B airspace resides below 10,000 feet, there are instances where it does not. Dallas class Bravo tops at 11,000 and Denver are two examples. I routinely accelerate above 250 knots above 10,000 and still in Class Bravo, and have never heard anyone complain.

While it is true ATC can legally assign you a speed faster than 250 knots, and you can legally accept that clearance, pilots generally have ceased accepting those clearances, citing that bird strikes on windshields have only been tested up to 250 knots, and anything faster could be dangerous for flight crews.

Below a Class B airspace though, airspeed is restricted to 200 knots. I've included a section of the regulations that pertain to this below. Section (a) and (c) are most applicable.

Sec. 91.117

Aircraft speed.

(a) Unless otherwise authorized by the Administrator, no person may operate an aircraft below 10,000 feet MSL at an indicated airspeed of more than 250 knots (288 m.p.h.).
(b) Unless otherwise authorized or required by ATC, no person may operate an aircraft at or below 2,500 feet above the surface within 4 nautical miles of the primary airport of a Class C or Class D airspace area at an indicated airspeed of more than 200 knots (230 mph). This paragraph (b) does not apply to any operations within a Class B airspace area. Such operations shall comply with paragraph (a) of this section.
(c) No person may operate an aircraft in the airspace underlying a Class B airspace area designated for an airport or in a VFR corridor designated through such a Class B airspace area, at an indicated airspeed of more than 200 knots (230 mph).
(d) If the minimum safe airspeed for any particular operation is greater than the maximum speed prescribed in this section, the aircraft may be operated at that minimum speed

Answer 2

Class Bravo Airspace

Answer 3

The speed limit is whatever the ATC says it is. I've seen an F-16 display team blast over OAK well over 250kias and the Blue Angels blasting through the area too. There's no 250kias limit.

That whole 250kias thing is garbage. It's an invention of MS flight simulator. Take a look at the track log in the first link below, it's a flight from Oakland to Ft Lauderdale Hollywood International in Florida. Two things you'll notice, in the climb they were doing 263kias as they passed 3900 feet and 317kias as they blew through 9900 feet.

The second is a heavy 747-400 heading for Hong Kong, it was slower off the mark but if still blew through 7000 feet at just shy of 300kias, byt 10k it was above 330kias.

Someone could explain these away as exceptions, but all the track logs I checked, for jets, are like this.

Answer 4

The managed fields underlying the kind B, SEA for that reason, may have a Letter of contract (LOA) with attitude at SEA. once you're talking to SEA attitude, they're meant to coordinate with the subsequent controller and hand you off. in the journey that they don't attempt this, that is on them, not on you, highly in view that they don't submit those LOAs. of route, once you're on a 2 mile very last and have not been despatched to tower for a clearance to land, i might want to propose questioning it! :&) that is, of route, conceivable to attitude the underlying managed towers without ever desiring to communicate over with SEA attitude in any respect. if so, you'll do the initial callup to tower with ATIS. be careful, although, because you won't be able to settle for any maneuvering instructions that would want to placed you in college B airspace without listening to the magic words "cleared into the kind B". by how, i might want to strongly propose utilizing the Terminal section Chart in this congested section, fairly than the Sectional.

Answer 5

I have dealt with various vendors in the past and the under one is definitely the most popular. They have got a lot of unique air max contains elusive ones that you are unable to get from all other retail stores. The product quality and services is the top one you might get online with so low price. With this dealer, I am certain you will not disappoint you or your customers.

Answer 6

Class B control zone or above 12500 to FL 180?

250KIAS below 10,000

200KIAS in a control zone.

Here is the Canadian Reg that says so. FARs are the same.

http://www.tc.gc.ca/CivilAviation/Regserv/Affairs/cars/PART6/602.htm#602_32

Yes you can get an exemption (for operational requirements or airshows) but you can't just exceed these limits.

You can fly without a C of A if you get an exemption, but don't put that on your test.

Answer 7

Military has a special letter of Authorization - permitting speeds in excess of 250kts below 10,000.