Hello Steve,
Have checked Chorley BCL1941 and AB serial series L,N,P,R,T,W,X and Z.
Came up with the following.
But I favour L4234 that became 2721M from 5th October, 1941.
Chorley BCL 1941 has the following,
Wellington Is - 1 not operational.
P9207 - 15-1-41
Wellington II - 2 On Ops, 1 non Ops.
W5448 - 18-5-41
W5449 - 8-9-41
W5457 - 18/19-8-41
Wellington Ic - 32 on Ops, 1 non Ops.
L7798 - 22/23-4-41
N2844 - 18/19-8-41
R1008 - 14/15-8-41
R1009 - 25/26-2-41
R1135 - 15/16-11-41
R1210 - 11/12-2-41
R1326 - 12/13-3-41
R1339 - 20/21-6-41.
R1368 - 22/23-4-41
R1442 - 10/11-4-41
R1507 - 26-4-41
R1511 - 10/11-10-41
R1536 - 15/16-7-41
R1713 - 20/21-6-41
R1726 - 24-7-41
R3153 - 16-9-41
T2806 - 29/30-6-41
T2885 - 11/12-2-41
T2958 - 24/25-4-41
W5727 - 11/12-12-41
X9670 - 12/13-9-41
X9677 - 10/11-10-41
X9747 - 3/4-8-41
X9753 - 14/15-8-41
X9785 - 16/17-12-41
X9810 - 2/3-9-41
X9833 - 29-10-41
Z1069 - 7/8-11-41
Z1103 - 26/27-11-41
Z8781 - 3/4-8-41
Z8853 - 15/16-11-41
Z8865 - 14/15-10-41
Z8910 - 12/13-10-41
Z8957 - 16/17-41
OTHER Wellingtons listed as serving in 218 Sqn were
L4293
L7797
N2937
P9291
P9296
P9299
R1025
R1183
R1328
R1346
R1400
R1401
R1436
R1448
R1496
R1497
R1594
R1596
R1597
R1601
R1719
T2739
T2801
T2887
W5400
W5434
W5445
W5447
W5526
X3217
X9663
X9672
X9674
X9678
X9679
X9745
X9751
X9755
X9757
X9787
X9788
Z8375
Z8379
X9871
X9875
Z1070
Z1101
Z8375
Z8399
Z8431
Z8437
Z8894
Z8965
Z8970
Z8982
Enjoy
Alex
[ adjustment/additions made, thanks Col
