On 278.275 REACH950 calling.
A Charlie 5 diverting back too youre field.
We have cargo in the back whit a lot of fuel in it that is spilling fuel by now.
Not yet declaring emergency hope to be back on the deck at 19.15h.
No SBS on (database packing) but a C-5er.
Edit
Gatwick Aviation Society has him as 85-0009