How att tolka 14 CFR Del 61 Krav 61.129 på instrumentträningstid?

För del (3)

(i) - Ten hours of instrument training using a view-limiting device including attitude instrument flying, partial panel skills, recovery from unusual flight attitudes, and intercepting and tracking navigational systems. Five hours of the 10 hours required on instrument training must be in a single engine airplane;

Kan den här tiden vara tidigare instrumenttid, eller måste den vara specifik för kommersiellt certifikat?

Samma sak med natten tar av och landar på en tornad flygplats.

(4)(ii) 5 hours in night VFR conditions with 10 takeoffs and 10 landings (with each landing involving a flight in the traffic pattern) at an airport with an operating control tower.