Wieesso,
Now you have made it all the more difficult by throwing the THIRD c/n into the ring! :D:D

However, I think we can discount G-AISX. It is difficult to read accurately, but this
http://www.caa.co.uk/docs/HistoricalMaterial/G-AISX.pdf
seems to indicate it as “withdrawn from use following sale to ……….. (unreadable) on the 28.01.51. Only to reappear in 1983. I find it hard to believe that the ID of this aircraft was used in the rebuild of BCYS, and then REUSED to build what was to become TF-GEV, but stranger things have happened, I know:rolleyes: At the end of the day it comes down to not trusting everything written on the internet (only SOME of it).

Regarding the crash at Tungubakkar in 1988 I can say, with certainty, that it was not the registration TF-CUP that was involved, but TF-GEV. Same serial (whatever it is) but different reg. After TF-GEV crashed, it was rebuilt by a good friend of mine and I KNOW that no other “identity” was used in it´s rebuild, only a bit of new tubeing and wing spars etc. So, no chance of an identity mix up there.

What is somewhat irritating is the serial 43-30546(N). What does it mean? I´ve never seen it before.

Now, all I need to know is if serial 44-86094 has the c/n 12990, and then I can maybe make some sense of this mess!

Could the serial number have been mis-typed or written by the various registering authorities ?

44-86094 when changed to 44-80694 is proper to c/n 12990.

It’s easy to reverse numbers round when copying information.

G-AISX was withdrawn from use following sale to Wolverhampton Aviation.

Hopefully this may make some sense of this mess.

Sorry to further complicate matters, but I also note that G-AISX and G-BCYS have both been owned by the same family at some time in their histories.