Is this a known Me 262?

[RolandF]

No idea. Under normal circumstances I´d say this designates the appropriate position and assembly of removable parts of the Me 262 such as complete nose unit, complete tail unit and the complete jet engine units.
I.e. nose A/4 has to be joined to the fuselage A/4, tail unit A/6 to fuselage A/6 and left jet A/6L to left engine carrier A/6L.
The explanation in CLASSIC 5 is not satisfactory imho.
I suppose there were at least six Me 262 of an identical unit (mustn´t be JV 44) where those parts were removed and attached again. Maybe after repair?

Servus

Roland