I have a 1964 M20E Super 21. The POH that seems oldest, does not state the year on the cover page.
I have another POH which has a 1965 year on the cover (lower left). On the inside page it states, it is applicable to 1964 aircrafts ( by serial numbers) with exceptions on certain POH chapters.
The checklists appear to be the same however, the power setting tables contain a different consumption rates. The RPM/Manifold permutations have the same % of Power at all given MSL altitudes. However, the burn rate/ range are different.
Which POH do you recommend? I am inclined to use t