Jason Kirk

> Examining `aviary_options` what we find is that `'aircraft:crew_and_payload:num_business_class': (0, 'unitless'),` has been set before getting to the following code lines in preprocessor.py: It appears it is an issue stemming...

We could consider renaming them in this case. `Builder.mass_names` is pretty clean, but not backwards compatible. We will want to choose a "final" name for each method before 1.0

More arguments is probably best, since I'm sure users will have all kinds of odd subsystems that configure themselves based on different things. Having a subsystem need to know the...

Adding on to this issue: several components use the value of calculated outputs to compute other outputs. This is a significant issue because these are 2-step calculations, and if you...

This is the full units list that openmdao uses: https://openmdao.org/newdocs/versions/latest/features/units.html "NM" and "nmi" should work for nautical miles. Because Aviary uses openmdao to do all unit conversions we unfortunately can't...

I moved around when model length is defined to hopefully avoid this issue: #923

I somehow missed defining the local variables `hybrid_throttle_min` and `hybrid_throttle_max` when adding this section (right after defining `throttle_max` on line 1462). This will be a very quick fix, I will...

You might get some formatting-based conflicts since we just switched the repo over to using ruff - if you run ruff over your code it should line it back up...