PSR & PET

Given: Distance 'A' to 'B' 3623 NM, Groundspeed 'out' 370 kt, Groundspeed' back'300 kt. The time from 'A' to the point of Equal Time (PET) between 'A' and 'B' is?

• A238 MIN.
• B 263 MIN.
• C 288 MIN.
• D 323 MIN.

What is the distance to the point of safe endurance if an aircraft has a TAS of 300 knots and a safe endurance of 10 hours, if the wind component on the outbound leg is 50 knots headwind?

• A1458 nm.
• B1505 nm.
• C1554 nm.
• D1625 nm.

What is the time to the point of safe return (PSR) if the distance from A to B is 2368 nautical miles, the outbound groundspeed in 365 knots, the homebound groundspeed is 480 knots, and safe endurance is 8 hours 30 minutes?

• A 190 min.
• B 209 min.
• C 219 min.
• D290 min