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The Point of Safe Return PSR is the last point along a planned route where it is possible to return to the departure aerodrome…

  • A
    with no reserves intact.
  • B
    with minimum drag speed.
  • C
    in still air conditions.
  • D
    with specific reserves intact.

Note: Since the terms PET and PSR are not present in EASA Air Ops, these questions are less likely to appear in the exam.

Time to PSR (Point of Safe Return):
The Point of Safe Return (PSR) is the last point on a route at which it is possible to return to the departure airfield arriving back with the required fuel reserves still available in the tanks. Continuing passed the PSR you are now committed to landing at your destination.

Time (to PSR) = E x H / (O + H)

  • Where E = Safe Endurance based on available fuel; H = Ground speed Home and O = Ground speed Out.

Note: Safe endurance is used as it ensures that the required reserves remain intact.

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