svoop / aipp

AIP parser to convert AIP publications to AIXM or OFMX
https://bitcetera.com
MIT License
10 stars 2 forks source link

Vertical airspace limits #13

Closed svoop closed 4 years ago

svoop commented 5 years ago

Vertical airspace limits (example shown here: LFAT) seem more correct in OpenFlightMaps than VAC after checking with France AIP.

VAC

Screen Shot 2019-08-10 at 21 25 36

AIP

Screen Shot 2019-08-10 at 21 25 39

https://www.sia.aviation-civile.gouv.fr/dvd/eAIP_18_JUL_2019/FRANCE/AIRAC-2019-07-18/html/index-fr-FR.html

Reported by Stijn

svoop commented 4 years ago

I don't quite understand, both the VAC and the eAIP (and the data in OFMX) communicate the same vertical limits "FL 065 || 1500ft AMSL".

Airbus320Driver commented 4 years ago

What I found strange, is the overlap of CTR dimensions (SFC up to 2000') and TMA 12 (1500' up to FL 065) both on the chart and in eAIP. I can't remember if OFM showed 2000 ft or 1500 ft as upper limit for the CTR. If OFM's CTR and TMA dimensions correctly reflect eAIP then you can disregard this comment.

svoop commented 4 years ago

It seems to be correct. Here's what the official map looks like:

Screen Shot 2019-10-12 at 20 26 58

My interpretation: The CTR is only active 0700-1900, so at night, it's area is declassified from D to E between 2000 and 1500 as well as from D to G below 1500.

svoop commented 4 years ago

The vertical limits in the OFMX file match those in the eAIP.