Page 1 of 1

ZH898?

Posted: Thu Feb 13, 2025 2:34 pm
by SamP
It appears that Chinook ZH898 is airborne out of Middle Wallop using old Tucano ZF511’s Mode-S code 43C5C5.

ZH898 is programmed into the callsign field.

First test flight after deep maintenance?

Re: ZH898?

Posted: Thu Feb 13, 2025 2:47 pm
by tommc
43C5C5 is OCTAL 20 742 705
43C5F5 is OCTAL 20 742 765

It is easy to see how a poorly scribbled down 6 could be mistaken for, and inputted as a 0, so then "displaying" as in "incorrect" HEX code on ADSB.

Re: ZH898?

Posted: Thu Feb 13, 2025 3:59 pm
by roger4
Currently in the Benson circuit and definitely a Chinook (according to Mk 1 eyeballs!).

Re: ZH898?

Posted: Tue Feb 25, 2025 2:44 pm
by R1nger
In Brize circuit still showing as ZF511 on ADSB but definitely Chinook

Re: ZH898?

Posted: Tue Feb 25, 2025 3:03 pm
by Nighthawke
For the record Tucano ZF511 is in the USA

Re: ZH898?

Posted: Wed Feb 26, 2025 2:19 pm
by Goldstar31
tommc wrote:
Thu Feb 13, 2025 2:47 pm
43C5C5 is OCTAL 20 742 705
43C5F5 is OCTAL 20 742 765

It is easy to see how a poorly scribbled down 6 could be mistaken for, and inputted as a 0, so then "displaying" as in "incorrect" HEX code on ADSB.
The Hex code is put into the control unit, as part of the fitment process the Mode S code is supposed to be input for that particular aircraft. Octal codes are not used to input any Hex code

Cheers

Eccie