PPRuNe Forums - View Single Post - QNH 999 hPa?
Thread: QNH 999 hPa?
View Single Post
Old 21st Oct 2019, 21:39
  #4 (permalink)  
Packer27L
 
Join Date: Jun 2014
Location: Planet Earth
Posts: 68
Likes: 0
Received 0 Likes on 0 Posts
The UK answer is MATS1 Section 1 Chapter 7 Paragraph 6.2 “When transmitting altimeter pressure settings that are lower than 1000 hPa, controllers are to specify clearly the unit of measurement and pay particular attention to the read- back.”
Packer27L is offline