View Full Version : H F Radios On B737

10th Jun 2002, 09:42
Why the following HF frequencies are prohibited on B737 11.133MHz 22.434 MHz 22.683MHz
22.766 MHz.:confused:

10th Jun 2002, 10:41
They are possibly freqs that interfere with certain a/c systems, eg antiskid? Just a guess.

Hew Jampton
10th Jun 2002, 12:11
Don't think that they are in the UK.

10th Jun 2002, 15:45
Yes, they do interfere with certain systems... One of that is the symbol generator for the EFIS aircraft due to too strong electromanetic field

14th Jun 2002, 02:30
And the Outflow Valve?