Applicable Vs planning Minima
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Applicable Vs planning Minima
Hello
I would like to clarify the term "applicable" vs "planning" minima as they are used in the context of nominating alternate airports.
Here are the 2 paragraphs from EU-OPS I am trying to compare:
A. "The Commander shall select a Destination / En-route Alternate aerodrome when the appropriate weather reports indicate that during a period commencing one hour before and ending one hour after the estimated time of arrival at the aerodrome the weather conditions will be at or above the applicable minima as follows :
1. The RVR specified in accordance with EU-OPS 1.430.
2. For Non-precision or Circling approach, the ceiling is at or above MDA"
B. "For any IFR flight two destination alternates must be selected when :
1. The appropriate weather reports or forecasts for the destination, or any combination thereof, indicate that during a period commencing 1 hour before and ending 1 hour after the estimated time of arrival, the weather conditions will be below the applicable planning minima.
The planning minima for an En-route or destination alternate are as follows :
Type of approach Planning minima
Cat II / III : Cat I : (note 1)
Cat I : Non-Precision (Note 1, 2)
Non-Precision : Non-Precision (Note 1, 2) plus 200 ft / 1000 m
Circling : Circling"
So just to get it right : case A : if you are going to an airport and the weather seems to be within the minima of whatever procedure is offered then you only need to nominate one airport .
In the second case I am confused as to when you need to nominate 2 alternates .... Can you please explain with some examples ?
I would like to clarify the term "applicable" vs "planning" minima as they are used in the context of nominating alternate airports.
Here are the 2 paragraphs from EU-OPS I am trying to compare:
A. "The Commander shall select a Destination / En-route Alternate aerodrome when the appropriate weather reports indicate that during a period commencing one hour before and ending one hour after the estimated time of arrival at the aerodrome the weather conditions will be at or above the applicable minima as follows :
1. The RVR specified in accordance with EU-OPS 1.430.
2. For Non-precision or Circling approach, the ceiling is at or above MDA"
B. "For any IFR flight two destination alternates must be selected when :
1. The appropriate weather reports or forecasts for the destination, or any combination thereof, indicate that during a period commencing 1 hour before and ending 1 hour after the estimated time of arrival, the weather conditions will be below the applicable planning minima.
The planning minima for an En-route or destination alternate are as follows :
Type of approach Planning minima
Cat II / III : Cat I : (note 1)
Cat I : Non-Precision (Note 1, 2)
Non-Precision : Non-Precision (Note 1, 2) plus 200 ft / 1000 m
Circling : Circling"
So just to get it right : case A : if you are going to an airport and the weather seems to be within the minima of whatever procedure is offered then you only need to nominate one airport .
In the second case I am confused as to when you need to nominate 2 alternates .... Can you please explain with some examples ?
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Sorry if I haven't understood the question right but basically:
If you are flying to airport A and it is above minima then you only need one alternate, which must be above planning minima.
If you are flying to airport A and it is below minima, you need two alternates which must be above planning minima.
If you are flying to airport A and it is above minima, and you specify airport B as your alternate and it is below planning minima, then you can either use a different alternate or add a second alternate which is above planning minima.
If you are flying to airport A and it is above minima then you only need one alternate, which must be above planning minima.
If you are flying to airport A and it is below minima, you need two alternates which must be above planning minima.
If you are flying to airport A and it is above minima, and you specify airport B as your alternate and it is below planning minima, then you can either use a different alternate or add a second alternate which is above planning minima.
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So with respect to the planning minima :
If the alternate airport has an ILS CAT 2 procedure , to select it as alternate , I must ensure the alternate weather is at least equal to CAT 1 minimum ?
Or if that alternate airport were to have a CAT 1 ILS then I must ensure its weather is not below any Non precision approach that this airport might have .
And to continue with the same policy , if the alternate only has a Non precision approach , to select it I must ensure its weather is not below its NPA minimums+ 200 ft and minimum visibility 1000m?
If the alternate airport has an ILS CAT 2 procedure , to select it as alternate , I must ensure the alternate weather is at least equal to CAT 1 minimum ?
Or if that alternate airport were to have a CAT 1 ILS then I must ensure its weather is not below any Non precision approach that this airport might have .
And to continue with the same policy , if the alternate only has a Non precision approach , to select it I must ensure its weather is not below its NPA minimums+ 200 ft and minimum visibility 1000m?
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Just to clarify regarding the 'next one up' planning requirement.
Is it based on the approach facilities available or based on the approach your actually planning on doing?
Lets say the alternate has cat 2/3 facilities and the weather is at NPA MDA/RVR.
From the table this satisfies the Cat 1 requirement, but you have Cat 2/3 facilities, so technically cat 1 RVR (550m) will be the limiting factor in planning.
It would make more sense from a planning point of view to base it on approach your planning on doing, right?
Is it based on the approach facilities available or based on the approach your actually planning on doing?
Lets say the alternate has cat 2/3 facilities and the weather is at NPA MDA/RVR.
From the table this satisfies the Cat 1 requirement, but you have Cat 2/3 facilities, so technically cat 1 RVR (550m) will be the limiting factor in planning.
It would make more sense from a planning point of view to base it on approach your planning on doing, right?
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reactivating an old port but have a doubt, in case using an alternate with RNAV (GNSS) and LPV CAT I minimums, can we plan using CAT I minimums or do we have to apply Non-Precision Approach mins RVR/VIS?
