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-   -   IMC/ILS self practice (https://www.pprune.org/private-flying/511343-imc-ils-self-practice.html)

peterh337 29th March 2013 22:52

I am 100% with mm_flynn on this. There is no obligation to either transition to a visual approach (an IFR procedure) or to cancel IFR altogether, just because the conditions are/become VMC.

tmmorris 30th March 2013 01:28

Good question, because if you are right, I will struggle to maintain currency on IAPs as I often fly solo.

Tim

Fuji Abound 30th March 2013 08:32

No, of course you can fly an ils in vmc, i think the point being made is simply if it is a practice approach then say so.

I think beagle then goes on to say that if its wall to wall vmc why would you fly an ils other than as a declared practice approach. That assertion is a matter of opinion but i am sure we can see his point.

What is gained by declaring it is a practice approach? That is another debate.

BEagle 30th March 2013 09:32

Flying IFR solo outside CAS in 8/8 VMC very probably reduces your capacity to maintain a safe lookout. Which is why practising instrument approaches is regulated accordingly.

Take the case of Manston with its IAPs in Class G airspace on a nice, sunny cloudless day. As the UK AIP states:


Within Class G airspace, regardless of the service being provided, pilots are ultimately responsible for collision avoidance and terrain clearance, and they should consider service provision to be constrained by the unpredictable nature of this environment.
So without a competent observer keeping a safe lookout flying on instruments in such circumstances, or even watching an autopilot doing so, exposes you and others to collision risk. A Hawk flying VFR ouside the Manston ATZ may quite legitimately cross the ILS approach, but would be rather stupid to do so where the distance from touchdown and transit height would be close to the assumed height expected to be flown by inbound ILS traffic, particularly if not in RT contact with the aerodrome at the time.

There is no need to 'cancel IFR' in order to continue visually. If you don't, it will simply mean that your flight will continue to be regulated accordingly:


The fact that a pilot reports that he is flying in VMC does not in itself constitute cancellation of an IFR FPL. Unless cancellation action is taken, the flight will continue to be regulated in relation to other IFR traffic.
Note 'in relation to other IFR traffic'. Not VFR!

Pace 30th March 2013 09:58

Often we keep locked onto the ILS for passenger comfort even in good VMC!
If it is good VMC then there are a number of options
cancel IFR and request a visual join.
Ask for vectors to visual
Ask for a tighter intercept
Usually when flying IFR it's more about reducing track miles to touchdown and hence time and cost.

One caution on leaving IFR and an ILS is to be very sure that it is VMC to touchdown as many have been fooled into doing so only to run into scud cloud or unseen poor vis

Pace

BEagle 30th March 2013 10:31

Pace, if that's 'we' flying multi-pilot CAT (or corporate), then that's rather a different kettle of fish, as compared with a private pilot flying solo IFR in good VMC.....

peterh337 30th March 2013 10:37

... and GPS is illegal for primary navigation.

S-Works 30th March 2013 10:47

Out of curiosity Peter, please show me the law you refer to?

Gertrude the Wombat 30th March 2013 11:20


What is gained by declaring it is a practice approach?
ATC know they can ask you politely whether you mind doing a visual approach instead if someone else needs the ILS more than you do?

tmmorris 30th March 2013 12:09

If it's good VMC, why would they?

Tim

2 sheds 30th March 2013 12:12

Gert (I'll omit the rude part)

As a controller, I would not entirely agree with that; it's up to ATC to facilitate what everyone requires, even if that entails "expect ... in ... minutes due traffic" - assuming that you have made the request in good time, of course!

2 s

Gertrude the Wombat 30th March 2013 12:25

Wot I mean is, if I'm just wanting an ILS for practice on the way back from somewhere, and it doesn't matter very much whether I do it or not, I don't want to get in the way of some else whose main purpose of the flight is using the ILS, say instrument training or test, or a test flight, or a commercial flight whose SOPs require them to use the ILS, or whatever.

So I will negotiate with ATC that I'll take an ILS if it's not going to hold anyone else up, otherwise I'll join visually. And I'll certainly junk the ILS and join visually if the alternative is holding!

Capn Kangaroo 31st March 2013 12:19

Its quite simple ...book in VFR (if you need to PPR)

Call them up on the radio and announce your presence and request an ILS (vectored, procedural or whatever) for currency.

They will nearly always respond in the affirmative and sometimes enquire if you wish to switch to IFR. If you stay VFR then you are responsible for letting them know if an instruction would take you IFR (and saying unable to comply) otherwise keep a good look out and fly the ILS.

Remember you are ultimately responsible for ensuring clear separation from other aircraft unless you are in Class A in the UK.

Don't try and do this outside of the UK ... but do relax and enjoy.

Have 2 sets of Mk I eyeballs in the cockpit helps with all VFR flight. If you're under the hood then the passenger needs to be rated to fly the aircraft you're in (at least under FAA regs which I'm more familiar with) ..

Local Variation 31st March 2013 22:10

But it's not currency as the OP stated he has not yet got his rating.

Surely the case here is to speak and consult with the Chief FI and if deemed viable to then discuss with ATC prior to undertaking said practice. Otherwise....

....Requesting an ILS whilst then advising 'unable to comply' with vectoring that takes away in sight of surface, will surely leave the Controller unsure as to the vailidity of the request for an ILS approach. Potentially then resulting in a post landing set of wtf questions from all concerned.

mm_flynn 1st April 2013 20:26

????
It is routine to conduct practice approaches (including ILSs) under VFR (which makes the controllers life easier) and the controller would fully expect the pilot to stay in VMC and tell the controller if an instruction could not be executed while remaining in VMC.

You guys are making hard work of this question.

2 sheds 1st April 2013 22:12


You guys are making hard work of this question.
True!

...practice approaches (including ILSs) under VFR (which makes the controllers life easier)
I wouldn't necessarily agree with that!

2 s


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