Baro & Radio

[Мартыненко Борис]

Where can I find the values of baro and radio? I know this is indicated on the approach chart, but I haven't fully figured out how to read them yet. 

[richboy2307]

5 hours ago, Мартыненко Борис said:

Where can I find the values of baro and radio?

If using Navigraph (i.e Jeppesen) charts, this information will be at the bottom of the approach chart. It is typically shown as DA(DH) format. DA being the Decision Altitude (BARO) and the DH being Decision Height (RADIO). 

You'll have to choose the appropriate one based on the type of approach being conducted, and also the Approach Speed Category of your aircraft type. Use RADIO/DH for an ILS CAT II/III approach, use BARO/MDA/DA for all other types of approaches.

In the example below, C : 824' (230') is chosen if you're conducting a standard ILS CAT 1 Approach in an A320Neo, which is a CAT C aircraft. So you'd use the BARO value of 824 in the MCDU. 

The above snippet is from this video that explains this further: https://youtu.be/0u0fN3FEOvQ?t=742

Thanks!