USE OF AVIATION GASOLINE (AVGAS) UL 91:
Hello EASA world, regarding CS-SC202c I do have a question for the experts:
in 3. of CS-SC202s it is defined how the conditions for Avgas UL91 are met.
So the issue:
Diamond DA40-180 with Lycoming IO-360 M1-A.
There is a SI (Service Instruction) from Lycoming: SI1070 dated 08-APR-2020, saying that the IO-360 M1-A is capable and officially released to use Avgas UL91 as fuel. BUT in the same SI under "CAUTION: Airframe approval necessary"
The TCH (DAI Canada, NOT EASA) does not have a STC using Avgas UL91 on the AC.
So, my question to the experts:
Is it possible with implementing CS-SC202c to officially overrule necessary TCH statement?
There are about 300 DA40-180 A/C in Europe and all of them will be grounded in the near future due to the fact that Avgas 100LL will not be available soon.
Looking forward to hear from the experts!
Take care and always happy landings!
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