It’s not quite the same, though. Over almost all of the United States, class G airspace has a 1200' AGL ceiling (700’ AGL near some untowered airports). The bit between 1200’ AGL and 18,000’ AMSL is class E.
When the new NAS was introduced in 2005-2007, the regional airlines cohort fought against that outcome in Australia, on the grounds that they didn’t want their IFR Saab turboprops mixing it up with VFR in places where radar coverage was low-to-nonexistent. In my observation, most VFR pilots treat class E as equivalent to class G anyway, so I think it was a bit of a pyrrhic victory by the airlines: They still have VFR traffic in their class-E approach lanes to major regional airports. Hooray for victory. In the USA, it’s completely mundane for transponder-equipped aircraft to call up center and get a squawk code and flight following after takeoff, which gets them identified and enables ATC to deconflict them from IFR traffic in class E. That’s never worked properly in Australia because our ATC surveillance radar coverage has been awful, almost entirely focussed on capital cities. Now that virtually all of Australia has ADS-B coverage (literally all of it, once the satellites are airborne), maybe it’s time to start revisiting that, and replacing large chunks of class G with class E, and more strongly encouraging the use of flight following services. Seems to work okay in North America, yes? - mark > On 3 Apr 2017, at 3:17 AM, Jim Staniforth <[email protected]> wrote: > > CASA claimed they would copy the FAA airspace system. > Below is the text from the only page in the FAA Aeronautical Information > Manual on Class G Airspace. > The key words are "see and avoid". > The link is to the current FAA AIM, a good reference. My copy/paste is page > 159 of the pdf. > Jim > > https://www.faa.gov/air_traffic/publications/media/aim.pdf > <https://www.faa.gov/air_traffic/publications/media/aim.pdf> > > AIM > 12/10/15 > > Class G Airspace > Section 3. Class G Airspace > > 1. General > Class G airspace (uncontrolled) is that portion of > airspace that has not been designated as Class A, > Class B, Class C, Class D, or Class E airspace. > > 2. VFR Requirements > Rules governing VFR flight have been adopted to > assist the pilot in meeting the responsibility to see and > avoid other aircraft. Minimum flight visibility and > distance from clouds required for VFR flight are > contained in 14 CFR Section 91.155. > (See TBL 3-3-1) > > 3. IFR Requirements > a. Title 14 CFR specifies the pilot and aircraft > equipment requirements for IFR flight. Pilots are > reminded that in addition to altitude or flight level > requirements, 14 CFR Section 91.177 includes a > requirement to remain at least 1,000 feet (2,000 feet > in designated mountainous terrain) above the highest > obstacle within a horizontal distance of 4 nautical > miles from the course to be flown. > b. IFR Altitudes. > (See TBL 3-3-1) > > TBL 3-3-1 > > IFR Altitudes > Class G Airspace > If your magnetic course > (ground track) is: And you are below 18,000 feet MSL, fly: > > 0 to 179 Odd thousands MSL, (3,000; 5,000; 7,000, > etc.) > 180 to 359 Even thousands MSL, (2,000; 4,000; 6,000, > etc.) > > Class G Airspace 3-3-1 > > _______________________________________________ > Aus-soaring mailing list > [email protected] <mailto:[email protected]> > http://lists.base64.com.au/listinfo/aus-soaring > <http://lists.base64.com.au/listinfo/aus-soaring>
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