However, I can help you in two ways:
Once on the portal:
Finding the PDF is only half the battle. Here is a quick tutorial on reading the unique symbology used in Indonesian navigation charts, which differs slightly from ICAO standards. Rk Bali Air Navigation Pdf
Extensive inclusion of updated ICAO Flight Plan formats. Amazon.in: R. K. BALI: Books However, I can help you in two ways:
: Coverage of pressure instruments including Altimeters, Air Speed Indicators (ASI), and Vertical Speed Indicators (VSI). Air Speed Indicators (ASI)