easyradar
Transponder IDENT (SPI - Special Position Identification) causes:
A
The transponder to switch off
B
The aircraft's radar return to bloom/highlight on the controller's display for identification
C
An automatic frequency change
D
A MAYDAY signal to be transmitted
Checking member access
One moment while we confirm your plan so paid members never see checkout by mistake.
Checking member access before showing upgrade options
Keep practising
Take a timed quiz with random questions, or estimate your training costs.