PPRuNe Forums - Holding Patterns Help

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JanBratislava

12th Oct 2018 11:04

Holding Patterns Help

Could someone advise me PLEASE how to draw entry to these holdings?
1) ATC: Hold over SLC VOR on radial 250° inbound, right turns. Im approach the station on radial 130° inbound SLC
2) ATC: Hold over SLC VOR course 250° inbound, right turns. Im flying track 130° to SLC

sgenie

15th Oct 2018 03:49

1) Parallel entry
2) Direct entry

de facto

15th Oct 2018 08:09

Ahoj Jan,

If you draw a needle facing 130 deg and use the OUTBOUND radial of the hold as reference.
The first 70deg to the RIGHT (as holding is Right hand turn) is the teardrop area(130-200) but 250 isnt in there.
The othe area following to the RIGHT is the Direct (200-060). Your outbound radial (R070) isnt in there.
The next area following to the RIGHT is the Parallel (060-130).Your outbound radial is in there.

So you need to join as a parallel entry.

mustafagander

15th Oct 2018 09:30

Now make up your mind JB.
Are you tracking IB on R130 or are you tracking 130*M?
Holding IB on R250 means tracking 070 IB to the VOR.
Work out what you're trying to do then look up the AIP or similar publication for the rules.

de facto

19th Oct 2018 19:53

Chill mustafa:p

Notso Fantastic

13th Nov 2018 10:37

Strewth mustafa ! Jan gets his head bitten off but he has said it perfectly clearly ! And still got no answer of any sort from you.
The hold is inbound on the SLC 250 radial, right turns. In
1- he is on the 130 radial tracking course 310 in on QDM 310, and
2- he is on the 310 radial tracking course 130 in on QDM 130.

Quite simple, and less of the Oz rudeness to a perfectly legitimate question please. Now I've been out of the industry 7 years so I may be out of date, but my way of tackling this would have been:
1- overhead SLC, track out on 250 radial for appropriate time, left turn straight back to SLC then overhead again right turns holds
2- overhead SLC, straight into right turn holds.

pilotmike

18th Nov 2018 10:35

Quote:

Originally Posted by sgenie (Post 10283358)

1) Parallel entry
2) Direct entry

No, I don't agree. They are both parallel entries, unless I have missed something.

Glamdring

18th Nov 2018 18:07

1) Parallel
2) Direct

Hold Calculator

pilotmike

18th Nov 2018 18:38

Quote:

Originally Posted by Glamdring (Post 10314339)

1) Parallel
2) Direct

Hold Calculator

It is a parallel entry for situation 2) , not a direct entry as you state. The hold calculator which you conveniently linked confirms this.

Inbound Course "course 250° inbound" : 250
Aircraft Heading "flying track 130° to SLC": 130
Answer: Parallel.

Situation 1) was also Parallel:

Inbound Course "on radial 250° inbound": 70 degrees
Aircraft Heading "on radial 130° inbound": 310degrees
Answer: Parallel

Glamdring

18th Nov 2018 18:52

Quote:

Originally Posted by pilotmike (Post 10314352)

Yep, I missed the fact that one was a radial and one was an inbound course.

Parallel for both.

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