Go Back  PPRuNe Forums > Flight Deck Forums > Tech Log
Reload this Page >

Mandatory Altitude Jepp Chart

Tech Log The very best in practical technical discussion on the web

Mandatory Altitude Jepp Chart

Old 21st Jun 2018, 15:04
  #1 (permalink)  
Thread Starter
 
Join Date: Feb 2015
Location: Middle East
Posts: 103
Mandatory Altitude Jepp Chart

Good Day All,
It's been a while a have this question in mind. I did my research on the Jepp manual but I didn't find anything conclusive.
Is a level off between 12D and 7,4D mandatory? or the constraint 2000 Ft only apply at the FAF 7,4D?
Awaiting for your comments and doc reference if you have one.
Cheers


Last edited by Feather44; 21st Jun 2018 at 15:07. Reason: spelling
Feather44 is offline  
Old 21st Jun 2018, 17:04
  #2 (permalink)  

Only half a speed-brake
 
Join Date: Apr 2003
Location: Commuting home
Age: 41
Posts: 2,566
Step 1: check the AIP ? It kinda opens the question, how quickly you'd need to descent to comply with the author's intent...
FlightDetent is offline  
Old 21st Jun 2018, 17:45
  #3 (permalink)  
 
Join Date: Mar 2010
Location: Utopia
Posts: 463
Originally Posted by Feather44 View Post
Good Day All,
It's been a while a have this question in mind. I did my research on the Jepp manual but I didn't find anything conclusive.
Is a level off between 12D and 7,4D mandatory? or the constraint 2000 Ft only apply at the FAF 7,4D?
Awaiting for your comments and doc reference if you have one.
Cheers

You can decent to 2000 feet after passing D12.0, but you don't have to if you're following a profile (eg. you can be higher than 2000 feet), but you must not decent below the MANDATORY altitude depicted until after passing D7.4(FD33).
Klimax is offline  
Old 21st Jun 2018, 18:45
  #4 (permalink)  

Only half a speed-brake
 
Join Date: Apr 2003
Location: Commuting home
Age: 41
Posts: 2,566
Isn't that the situation if the word MANDATORY had not been there?
FlightDetent is offline  
Old 21st Jun 2018, 18:53
  #5 (permalink)  
 
Join Date: Jun 2000
Location: last time I looked I was still here.
Posts: 4,510
Interesting that 'mandatory' is also published for the procedure turn at 2500'. I've never seen this before. Regarding the 2000' & 7.4nm, it is usual to show 2000' AT 7.4nm. If the same was true for the procedure turn it should show 2500' AT 12nm.

It is bizarre by it being an unusual display. I wonder what other chart manufacturers depict? After all, Jeppesen publishes only the information supplied to them by the state.
RAT 5 is offline  
Old 21st Jun 2018, 19:01
  #6 (permalink)  
 
Join Date: Jan 2001
Location: UK
Posts: 1,468
Originally Posted by RAT 5 View Post
Interesting that 'mandatory' is also published for the procedure turn at 2500'. I've never seen this before. Regarding the 2000' & 7.4nm, it is usual to show 2000' AT 7.4nm. If the same was true for the procedure turn it should show 2500' AT 12nm.

It is bizarre by it being an unusual display. I wonder what other chart manufacturers depict? After all, Jeppesen publishes only the information supplied to them by the state.
The AIP version only has the ‘at 2500’ at 12D inbound so the turn can be flown whilst descending
EGPFlyer is offline  
Old 21st Jun 2018, 20:09
  #7 (permalink)  

Only half a speed-brake
 
Join Date: Apr 2003
Location: Commuting home
Age: 41
Posts: 2,566


Lido. Couldn't find the Egyptian AIP online.
FlightDetent is offline  
Old 22nd Jun 2018, 08:15
  #8 (permalink)  
 
Join Date: Aug 2009
Location: Seat 0A
Posts: 516
Lido shows it a lot more clearly. Unfortunately this is another example of Jeppesen's lack of standardization when it comes to their charts, its like the magic phrase 'authorization required' on CAT II and III minimums (stating the obvious), but the same note on RNP-AR procedures (which are usually called only RNAV still on many of their charts).
STBYRUD is offline  
Old 22nd Jun 2018, 12:53
  #9 (permalink)  

Only half a speed-brake
 
Join Date: Apr 2003
Location: Commuting home
Age: 41
Posts: 2,566
Jeppesen could show the same as Lido, but for some reason decided not to, and included the M word. Still curious.
FlightDetent is offline  
Old 24th Jun 2018, 10:00
  #10 (permalink)  
Thread Starter
 
Join Date: Feb 2015
Location: Middle East
Posts: 103
Lido make it crystal clear!!
Thanks for your answers guys.
Feather44 is offline  
Old 24th Jun 2018, 13:19
  #11 (permalink)  
 
Join Date: Apr 2009
Location: On the Beach
Posts: 3,222
Originally Posted by STBYRUD View Post
Lido shows it a lot more clearly. Unfortunately this is another example of Jeppesen's lack of standardization when it comes to their charts, its like the magic phrase 'authorization required' on CAT II and III minimums (stating the obvious), but the same note on RNP-AR procedures (which are usually called only RNAV still on many of their charts).
Jeppesen title for RNP AR is RNAV (RNP) RWY XX and combined with "authorization required" in the briefing strip is the functional equivalent of "RNP AR."
aterpster is offline  
Old 24th Jun 2018, 14:04
  #12 (permalink)  
 
Join Date: Aug 2013
Location: PA
Age: 54
Posts: 35
hahaha...just remembered, the term 'briefing strip' is a Jepp trademark!

Jepp Definition:
MANDATORY ALTITUDE — An altitude depicted on an instrument approach procedure chart requiring the aircraft to maintain altitude at the depicted value

All altitudes depicted in the profile view are MINIMUM altitudes unless specifically labeled otherwise.
All altitudes are above mean sea level in feet (AMSL).
5 — Maximum altitudes: may be abbreviated "MAX".
6 — Mandatory altitudes: abbreviations are not used.
7 — Recommended altitudes: abbreviations are not used
underfire is offline  
Old 25th Jun 2018, 13:04
  #13 (permalink)  
 
Join Date: Apr 2009
Location: On the Beach
Posts: 3,222
Originally Posted by underfire View Post
hahaha...just remembered, the term 'briefing strip' is a Jepp trademark!
Could be. But, FAA uses briefing strips on FAA IAP charts. The concept originated at Volpe:

https://www.volpe.dot.gov/

not at Jeppesen.
aterpster is offline  
Old 25th Jun 2018, 13:49
  #14 (permalink)  
 
Join Date: Dec 2002
Location: UK
Posts: 1,848
Does the ‘Mandatory’ labelling follow ICAO standards and recommended practices?
Does the USA/FAA follow ICAO in this matter; if not have they declared a deviation from ICAO?
Alternatively if the FAA and ICAO are in agreement, then are ‘volpe’ / Jepp, etc out of step, and are they, and what they publish subject to FAA oversight?




Last edited by safetypee; 25th Jun 2018 at 14:43.
safetypee is offline  
Old 25th Jun 2018, 20:31
  #15 (permalink)  
 
Join Date: Aug 2013
Location: PA
Age: 54
Posts: 35


Standards in charting?!?!?! Thats funny!

Last edited by underfire; 25th Jun 2018 at 20:42.
underfire is offline  
Old 26th Jun 2018, 13:04
  #16 (permalink)  
 
Join Date: Apr 2009
Location: On the Beach
Posts: 3,222
Originally Posted by underfire View Post


Standards in charting?!?!?! Thats funny!
https://tinyurl.com/y85govyu
aterpster is offline  

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Thread Tools
Search this Thread

Contact Us Archive Advertising Cookie Policy Privacy Statement Terms of Service

Copyright © 2018 MH Sub I, LLC dba Internet Brands. All rights reserved. Use of this site indicates your consent to the Terms of Use.