Back in the nineties, the company I worked for at the time was writing some (not for flight) test software for a company supplying inflight equipment to Boeing.
We went to a meeting between Boeing and the equipment supplier, Boeing were most insistent that the software that we were writing had to be supplied on 9 track tape as that was the media that people who buy Boeing planes expect to get their test software on. All equipment suppliers must supply their test software on 9 track tape, no exceptions. If you want you can also supply it on other media, but it must come on 9 track tape.
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Back in the nineties, the company I worked for at the time was writing some (not for flight) test software for a company supplying inflight equipment to Boeing.
We went to a meeting between Boeing and the equipment supplier, Boeing were most insistent that the software that we were writing had to be supplied on 9 track tape as that was the media that people who buy Boeing planes expect to get their test software on. All equipment suppliers must supply their test software on 9 track tape, no exceptions. If you want you can also supply it on other media, but it must come on 9 track tape.
I wonder if that is still the case.