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Halle, John wrote:
...which is IFR TSO-able,....
Be very very weary of something that is certifiable or TSO-able. You have to be certifiably nuts in order to believe that claim. If it is truly TSO-able, then why not just run the tests, TSO it and have a leg up over all the others? If it is certifiable, why not certify it?
There are many many designs where the designers have designed things that in their best judgment meet the certification requirements, but that is not how things turn out when they are actually tested. Sometimes it is because of a justifiable incorrect judgment call and sometime it is because of a lack of knowledge/experience (he does not know how much it is that he does not know). Yet other times, there are claims that are made with the intention to deceive because anyone with the slightest clue would know that the product could not be certified.
If anything, a claim of "it is certifiable but we are not going to certify it" would raise serious red flags. A statement of "it is in the process of being certified" would be in only marginally better, unless that particular team of engineers/certification-folks, under that particular company, under that particular management, has a track record of certifying similar products, in which case I would be willing to give it much more credence.
Standard disclaimers about my involvement with Chelton Flight Systems applies.
Regards,
Hamid
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