Ordie wrote:Russian Air Force has been aggressively intercepting US military aircraft near Eastern Ukraine/ Crimea/ Black Sea areas. Best to avoid these areas.
Thenoflyzone wrote:Kabul still uses procedural control (50 nm longitudinal separation on the same airway, same altitude, from what i've read on the matter. A few years ago, it used to be 80 nm separation)
Thenoflyzone wrote:Most likely to avoid Afghani airspace on that particular flight, due to a missed slot time to enter Kabul FIR. Kabul still uses procedural control (50 nm longitudinal separation on the same airway, same altitude, from what i've read on the matter. A few years ago, it used to be 80 nm separation)
If they didn’t get approval to go though Kabul FIR in time, or missed their slot time, the route to/from Europe can lengthen significantly, considering most Western airlines already avoid Iran, Iraq, Syria, Ukraine, etc.
Not many options left.
atcsundevil wrote:Ay caramba. Presumably it's mostly nonradar then? If they have radar and they're using 50nm separation, they're doing it wrong. Requiring rigid overflight slot times certainly complicates transiting an already precarious part of the world.
Interesting. Thanks for the detail.
Why does Kabul use this method? Is it for safety or just an antiquated practice?
CrustyBA wrote:I'm a flight planner for British airways and we have been having problems with over flight permits for Russia lately. If it's a different day that the Flight is operating as opposed to the seasonal permits we have applied for then the Russian routing doesn't work unless we can have a last minute acceptance for a temporary permit. There has also been some military activity around that part of the world so that could also restrict are routing. Also not flying over Iran and Iraq is not allowed.
With regards to flying over Afghan airspace, this flight wouldn't need a "bobcat" slot as the times of its departure doesn't necessitate one. Times for a slot to fly through Afghan airspace are westbound flights entering afghan airspace between 2000z and midnight z
Thenoflyzone wrote:You could say that, yes.
Based on this 9 year old ICAO document, back when the US military was providing ATC services over Afghanistan, they had 3 ASR8 radars online, with plans to add 2 more. Mind you these are obsolete radar systems, and it could very well be that part/all of the radars in the system are unreliable. Hence the procedural enroute separation standards. Germany, with the help of Australia, was funding up to 30 MLAT surveillance system sensors to cover the remaining blind spots. The MLAT system wasn't yet operational at that time. It could also be that the US took back those ASR8 radars with them when they left.
From another document from 5 years ago, the MLAT system still wasn't operational. Pakistan is also mentioned as pitching in to help with the installation of new radars and Data link, basically confirming that the old ASR8 radars in Afghanistan are either not reliable, or not there anymore.
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