Euronator,
I don't feel aimed at all : I'm fallible and I never forget it.
I just meant that I don't want to rely ONLY on electronic devices to "correct" me afterwards when a colleague can stop me before I transmit a rotten clearance.
Exemple:
Potential single-manned sector RA sequence :
Controller gives rotten clearance.
Pilot reads back and starts climb. Controller listens to read-back while preparing next clearance.
When traffic leaves level (2 or 300 feet) and/or sufficient vertical speed, STCA triggers.
Controller sees the problem / analyses / provides "immediate" descent clearance
Pilot reads back and anounces "TCAS-descent"
Controller says "Roger", STCA stops.
Controller advises supervisor, looks around, would like someone to take the mike, but there's no-one.
Controller stays on frequency until next break, when he'll have to file papers and papers and papers. He'll have to throw up his breakfast, too. Next time he sleeps for real is in three months.
Shouldn't lose his job. Smallest concern right now.
Potential 2-manned sector RA sequence :
Controller transmits rotten clearance.
While pilot reads back, second controller says : "You sure ?"
Controller says "...(nothing)...", transmits immediate correction.
Pilot reads back correction and thinks about the way he will write that on PPRuNe this evening.
Controller says "Thank you" and goes to next conflict.
Controller will pay both coffees during break. Second controller will accept.