Originally Posted by
tdracer
That's why the manufacturers create the "Master" MEL (MMEL). Operators can go more conservative than the MMEL with their own MEL, but it's nearly impossible for them have a more permissive MEL than the Master.
Yes but the MMEL is approved by the regulator. A TCAS RA only works properly if both aircraft have an operational TCAS. I don’t think it is reasonable to have a device that has demonstrably prevented many midair’s inoperable in an airplane.
This is putting money ahead of safety