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Search: Posts Made By: whowhenwhy
Showing results 1 to 35 of 744
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Forum: Military Aviation
28th Mar 2024, 22:31
Replies: 38
Views: 5,558
Posted By whowhenwhy

Probably mis-lead you by using the word...

Probably mis-lead you by using the word "handling". Things like transferring fuel around the aircraft and thermal management of the airframe.
Forum: Military Aviation
25th Mar 2024, 20:59
Replies: 38
Views: 5,558
Posted By whowhenwhy

It's worth noting that neither the demonstrator...

It's worth noting that neither the demonstrator nor the Overture aircraft will utilise 'low boom' technologies currently being researched by NASA through their X59 program. Overture will be a...
Forum: ATC Issues
6th Sep 2023, 12:07
Replies: 2
Views: 1,140
Posted By whowhenwhy

Hi Dave, It's an interesting subject but it is...

Hi Dave,
It's an interesting subject but it is not for pilots to abbreviate their callsigns. An abbreviated callsign can only be used once the ATS unit has first abbreviated it (I think this is laid...
Forum: Military Aviation
24th Feb 2023, 08:20
Replies: 98
Views: 36,296
Posted By whowhenwhy

Unfortunately, having known the individual in...

Unfortunately, having known the individual in question from a previous posting, this kind of behaviour has not come as a particular surprise....
Forum: ATC Issues
23rd Nov 2022, 11:18
Replies: 9
Views: 1,485
Posted By whowhenwhy

You're right Chevvron but we can do that because...

You're right Chevvron but we can do that because the design of the airspace includes a buffer within it.
Forum: ATC Issues
23rd Nov 2022, 11:17
Replies: 9
Views: 1,485
Posted By whowhenwhy

That 2.5 nm separation is down to ICAO Doc 4444...

That 2.5 nm separation is down to ICAO Doc 4444 which requires aircraft to be vectored no closer than 2.5 NM to the edge of contiguous volumes of controlled airspace. The theory being that if that is...
Forum: ATC Issues
17th Nov 2022, 08:35
Replies: 5
Views: 1,508
Posted By whowhenwhy

Given their use of terminology, it looks like...

Given their use of terminology, it looks like that UK ANSP has demonstrated an unfortunately poor understanding of the situation.

In the EU, Part-ATS has essentially transposed PANS-ATM into rule,...
Forum: ATC Issues
21st Jul 2022, 18:25
Replies: 3
Views: 861
Posted By whowhenwhy

As Gonzo said, it's Part-ATS but you need to bear...

As Gonzo said, it's Part-ATS but you need to bear in mind that the EU ANSP is then required to develop their local instructions based on the requirements in Part-ATS.
To an extent the MATS Part 1...
Forum: ATC Issues
20th Apr 2022, 17:55
Replies: 8
Views: 2,420
Posted By whowhenwhy

Yes, the ICAO provisions allow States to choose...

Yes, the ICAO provisions allow States to choose between FRMS or prescriptive limits but Annex 11 doesn't state what those limits should be. At least I'm fairly sure that it doesn't
Forum: ATC Issues
19th Apr 2022, 19:36
Replies: 8
Views: 2,420
Posted By whowhenwhy

Do you mean the introduction of the fatigue risk...

Do you mean the introduction of the fatigue risk management provisions? These have been introduced but don't introduce specific limitations themselves.
Forum: ATC Issues
19th Feb 2022, 21:35
Replies: 7
Views: 1,740
Posted By whowhenwhy

In the UK there is specific phraseology to be...

In the UK there is specific phraseology to be permitted to exceed the procedure speed. Can't remember the details now but it includes a reference to configuration and is in CAP 413. No ATCO can...
Forum: ATC Issues
30th Jan 2022, 09:25
Replies: 13
Views: 2,027
Posted By whowhenwhy

When I was operational (10 years ago) if you...

When I was operational (10 years ago) if you transmit to an aircraft while the landlines is open, the ATCO at the other end of the landlines would hear your transmission but would not hear the...
Forum: ATC Issues
10th Sep 2021, 16:37
Replies: 21
Views: 7,617
Posted By whowhenwhy

I think that the use of drones is just down to...

I think that the use of drones is just down to laziness amongst a certain group of the highly paid help. The use of the term airfield I would guess is the result of the CAA employing too many...
Forum: ATC Issues
18th Aug 2021, 20:28
Replies: 21
Views: 7,617
Posted By whowhenwhy

The text in ICAO Doc 8400 regarding the...

The text in ICAO Doc 8400 regarding the definition of NOTAM hasn't changed in years. I think it's only a webpage on the ICAO website where they spell out what the abbreviation NOTAM actually stands...
Forum: ATC Issues
4th Aug 2021, 07:00
Replies: 21
Views: 7,617
Posted By whowhenwhy

Bit grumpy today 2 sheds? CAP 1430 is...

Bit grumpy today 2 sheds?

CAP 1430 is correct. The definition of NOTAM hasn't changed from the meaning in ICAO Annex 11. The only thing that has changed is that whilst the abbreviation NOTAM is...
Forum: ATC Issues
31st Jul 2021, 09:00
Replies: 21
Views: 7,617
Posted By whowhenwhy

This isn't related to an ICAO change (though the...

This isn't related to an ICAO change (though the UK Government plans to pursue this with them), as I understand it, this is down to the UK DfT
Forum: ATC Issues
29th Jun 2021, 06:54
Replies: 33
Views: 6,739
Posted By whowhenwhy

There was work being done on an ICAO Manual of...

There was work being done on an ICAO Manual of AFIS (that would include information on the use of surveillance) to replace Circular 211. Unfortunately, it's been stalled for a few years now. The UK...
Forum: ATC Issues
28th Apr 2021, 20:05
Replies: 53
Views: 10,520
Posted By whowhenwhy

Crab, the research clearly needs to be done to...

Crab, the research clearly needs to be done to focus on RW, and, based on what you and ShyTorque have said, it sounds like there is an opportunity for a more flexible approach to be applied to RW.
...
Forum: ATC Issues
19th Apr 2021, 20:55
Replies: 53
Views: 10,520
Posted By whowhenwhy

Crab, fully acknowledge the issue that you're...

Crab, fully acknowledge the issue that you're describing but the requirements for separation are sourced from ICAO and have been reinforced in recent years by research undertaken by the FAA and...
Forum: ATC Issues
18th Apr 2021, 08:34
Replies: 53
Views: 10,520
Posted By whowhenwhy

I was going to highlight the MATS Part 1 text so...

I was going to highlight the MATS Part 1 text so thanks for that.

​​​​​​The problem is that whilst we know that helicopters can cause wake vortices, little or no research has been done on how...
Forum: ATC Issues
2nd Mar 2021, 10:17
Replies: 33
Views: 6,739
Posted By whowhenwhy

Somewhere in Section 8 of PANS-ATM and also the...

Somewhere in Section 8 of PANS-ATM and also the GM to SERA.7002 (in Europe) traffic information and advice on avoiding action shall be provided to IFR flights in uncontrolled airspace.
Forum: ATC Issues
24th Jan 2021, 13:50
Replies: 13
Views: 1,293
Posted By whowhenwhy

Nope. Do you know when it was in CAP 670 Chevvron?

Nope. Do you know when it was in CAP 670 Chevvron?
Forum: ATC Issues
24th Jan 2021, 09:15
Replies: 57
Views: 18,870
Posted By whowhenwhy

But the OP does shine a light on a problem that...

But the OP does shine a light on a problem that we have in the UK; the availability of surveillance based FIS in class G.
Forum: ATC Issues
23rd Jan 2021, 08:42
Replies: 13
Views: 1,293
Posted By whowhenwhy

Equivocal. Absolutely spot on. In terms of...

Equivocal. Absolutely spot on.

In terms of new CTRs, you only need them if you need to provide ATC service. If the UK were to apply ICAO, how many of the units with ATCOs in class G airspace...
Forum: ATC Issues
22nd Jan 2021, 13:53
Replies: 13
Views: 1,293
Posted By whowhenwhy

It kind of makes sense when you think about it....

It kind of makes sense when you think about it. It's called "uncontrolled" for a reason.
Forum: ATC Issues
21st Jan 2021, 19:41
Replies: 25
Views: 4,912
Posted By whowhenwhy

2S :ok::ok:

2S :ok::ok:
Forum: ATC Issues
21st Jan 2021, 17:27
Replies: 25
Views: 4,912
Posted By whowhenwhy

Therein lies the key though 2 sheds. Clear of...

Therein lies the key though 2 sheds. Clear of cloud works in the UK because we ask our ATCOs to go beyond what ICAO requires of them in class D airspace by applying what looks like class C rules. Of...
Forum: ATC Issues
20th Jan 2021, 18:55
Replies: 13
Views: 1,293
Posted By whowhenwhy

Hi Francis, Part-ATS, like the ICAO...

Hi Francis,

Part-ATS, like the ICAO materials that it's based on are very light on detail on this point. Essentially though, in ICAO terms, you can fly IFR on an instrument approach procedure in...
Forum: ATC Issues
18th Jan 2021, 18:10
Replies: 25
Views: 4,912
Posted By whowhenwhy

Indeed I was 2sheds and you're spot on in your...

Indeed I was 2sheds and you're spot on in your assessment
Forum: ATC Issues
5th Jan 2021, 14:05
Replies: 3
Views: 2,722
Posted By whowhenwhy

Good spot C.M I understand that this has been...

Good spot C.M I understand that this has been highlighted recently to the CAA and that something is in hand.
Forum: ATC Issues
27th Dec 2020, 18:21
Replies: 25
Views: 4,912
Posted By whowhenwhy

Ah, understood and agreed

Ah, understood and agreed
Forum: ATC Issues
27th Dec 2020, 11:20
Replies: 25
Views: 4,912
Posted By whowhenwhy

For flight within the ATZ and for take offs and...

For flight within the ATZ and for take offs and landing (where met is officially reported) but otherwise it's pilot interpretation.
Forum: ATC Issues
26th Dec 2020, 08:47
Replies: 25
Views: 4,912
Posted By whowhenwhy

It's supposed to be educated guesswork informed...

It's supposed to be educated guesswork informed by training and discussion with instructors and more experienced/qualified pilots.
Forum: ATC Issues
24th Dec 2020, 17:13
Replies: 25
Views: 4,912
Posted By whowhenwhy

Sadly, I suspect you're right but was it because...

Sadly, I suspect you're right but was it because they didn't know better or deliberate action...? Rhetorical question and somewhat of a moot point now...
Forum: ATC Issues
23rd Dec 2020, 17:15
Replies: 25
Views: 4,912
Posted By whowhenwhy

Changes to the VMC Minima in Class D Airspace

Anyone had any thoughts on the change back to the old clear of cloud with surface in sight minima in class D? Not sure that it changes much from my perspective other than less requests for SVFR. Just...
Showing results 1 to 35 of 744
 
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