1.
The logbook states that each sector shall be written separately unless an aircraft carries out a number of flights upon the same day returning on each occasion to the same place of departure and the interval between successive flights does not exceed thirty minutes.
2.
FNPT = Flight Navigation Procedure Trainer
The difference between I and II is the complexity of the simulator, and the requirements for both can be found in JAR-STD 3A & 3H for helicopters respectively