From this one :
http://www.ebay.fr/itm/STORMBIRD-LUF...-/150852977899
( ISBN 1 902109 00 7 )
p.132
17 Feb 1945 :
No ops, training exercise Leuna-Liepzig area. Returning to Parchim, HB got lost; after flying 50 mn, his n°4 belly landed on the ensnowed heath,
climbing out of the plane unhurt, HB led the 2 others south until making out the Ülsen r/w station and landing at Lüneburg 10-15 mn later.
At least one belly landed somewhere in the Lüneburg Heath.
p.169 Flugbuch facsimile
17 FEB 1945 t/o Parchim 15.17, l Lüneburg 16.17.