The presumption made in establishing the basic VFR weather minimums is that aircraft flying at lower altitudes (i.e., below 10,000 MSL) and/or in airspace with radar approach control and/or an operating control tower (i.e., Class B, C, and D airspace) will be moving more slowly, or that they will be under positive control. The changes to the visual meteorological conditions (VMC) minima will apply to aircraft flying within the UK in class D airspace provided that they are flying during the day only; at and below 3,000 ft above mean sea level, or 1,000 ft above terrain, whichever is the higher; and at an indicated airspeed of 140 kts or less, to give adequate B. at all tower-controlled airports only when weather conditions are less than VFR. C. at all tower-controlled airports within Class D airspace only when weather conditions are less than VFR. 2. After an ATC clearance has been obtained, a pilot may not deviate from that clearance, unless the pilot. A. requests an amended clearance. Special VFR clearances only apply to airports lying within class B, C, D, and E controlled airspace. At a bare minimum, the weather must be 1SM of visibility, clear of clouds for you to arrive/depart under SVFR at these airports. of Class C airspace, but is too busy to be just Class D airspace. Airspace in Detail: Class C Class C airspace (see Figures 7a and 7b), has a mandato-ry communication requirement. Note the differences and similarities between Class C airspace and Class D airspace. Controlled airspace weather minimums are the same for Class C and Class D airspace. INTRODUCTION. This Chart Users' Guide is an introduction to the Federal Aviation Administration's ( FAA) aeronautical charts and publications. It is useful to new pilots as a learning aid, and to experienced pilots as a quick reference guide. The FAA is the source for all data and information utilized in the publishing of aeronautical charts JryE5. SPECIAL VFR This procedure allows pilots to operate in meteorological conditions that are less than those required for basic VFR flight in Class B, C, D, or E surface areas. Special VFR operations must be requested by the pilot and approved by ATC. ATC will not suggest or solicit SVFR. To request SVFR, the pilot contact approach control on the appropriate frequency. the vertical limit of Class C airspace above the primary airport is normally. 4,000 feet AGL. The normal radius of the Class C airspace is. 20 NM. all operations within Class C airspace must be in. an aircraft equipped with a 4096-code transponder with Mode C encoding capability. Introduction: Class Bravo airspace (Class B) is that airspace surrounding the nation's "busiest" airports. Class B airspace supports both Instrument Flight Rules (IFR) and Visual Flight Rules (VFR) operations within. Class Bravo Airspace surrounds those airports that have at least an operational Air Traffic Control Tower (ATCT), and Terminal OPERATIONS IN CLASS C AIRSPACE If Class C services are provided, they will be in accordance with FAA Order JO 7110.65, Chapter 7. If it is determined that ATC will provide services in the Class C for UAS operating entirely at or below 400 ft. AGL, those services will be specified in an LOA or ATC Memorandum. OPERATIONS IN CLASS D AIRSPACE The area considered for en route VFR flight begins and ends outside the airport traffic pattern airspace area or Class B, C, and D airspace areas. A structure would have an adverse effect upon VFR air navigation if its height is greater than 499 feet above the surface at its site, and within 2 statute miles of any regularly used VFR route (see

class d airspace vfr minimums