Feldpost # L 63799 + L 631170 A + L 54400

[NickG]

Need some help with the following Feldpost numbers:

L 63799 + L 63170 A + L 54400

These appear in some documents dated 1945... including a "Merkbuch" (appointment book/pocket agenda) from 1945,
named to Major George Muller, believed to be Luftwaffe, possibly a pilot.
Any ideas anybody?
Thanks
Nick

[Larry deZeng]

63799
(25.11.1944-8.5.1945) 16.3.1945 Regimentsstab Fallschirmjäger-Ersatz- u. Ausbildungs-Regiment 1.

63170
(25.11.1944-8.5.1945) 16.3.1945 Stab III u. 11.-15. Kompanie Fallschirmjäger-Ersatz- u. Ausbildungs-Regiment 1.

54400
(8.9.1943-22.4.1944) 1.10.1943 Führer der Panzerjäger-Staffel der Luftwaffe,
(8.9.1943-22.4.1944) 30.11.1943 IV. Gruppe Schlacht-Geschwader 9.

[Larry deZeng]

I have four Georg MÜLLERs, but only the second one seems to be a "fit".

MÜLLER, Georg. (DOB: 31.07.79). 01.09.39 Maj.(Erg.O.), with Wehrbezirkdkdo. Ansbach. 01.07.42 Wehrbezirkdkdo. München III, promo to Obstlt.(Wm.).
MÜLLER, Georg. (DOB: 29.10.12). 01.12.41 promo to Hptm. 16.02.43 Hptm.(d.R.z.V.), trf from Fl.H.Kdtr. Budweis to Fl.H.Kdtr. 209/III. 01.01.45 promo to Maj.
MÜLLER, Georg. 01.02.42 promo to Hptm.(Ln.).
MÜLLER, Georg. 01.09.42 promo to Hptm.(d.L./Flak).

[NickG]

I have four Georg MÜLLERs, but only the second one seems to be a "fit".

MÜLLER, Georg. (DOB: 31.07.79). 01.09.39 Maj.(Erg.O.), with Wehrbezirkdkdo. Ansbach. 01.07.42 Wehrbezirkdkdo. München III, promo to Obstlt.(Wm.).
MÜLLER, Georg. (DOB: 29.10.12). 01.12.41 promo to Hptm. 16.02.43 Hptm.(d.R.z.V.), trf from Fl.H.Kdtr. Budweis to Fl.H.Kdtr. 209/III. 01.01.45 promo to Maj.
MÜLLER, Georg. 01.02.42 promo to Hptm.(Ln.).
MÜLLER, Georg. 01.09.42 promo to Hptm.(d.L./Flak).

Great stuff!
Its definitely this 2nd guy! Thanks a lot!