Thinking about external ones...
I guess most people will suggest keeping them is a good idea but I'm not so sure.
The majority of the ones I see are never working, saying something wrong or saying "Class170 Turbostar".
They can be really useful but even some modern stock (thinking about a recent photo of a 172) has a problem.
Perhaps it's just the shorter distance units that shouldn't bother but longer distance (that actually seem more reliable) should retain them.
If they're not reliable, get rid.
Clearly keeping them reliable is a problem for some operators/stock.
I guess most people will suggest keeping them is a good idea but I'm not so sure.
The majority of the ones I see are never working, saying something wrong or saying "Class170 Turbostar".
They can be really useful but even some modern stock (thinking about a recent photo of a 172) has a problem.
Perhaps it's just the shorter distance units that shouldn't bother but longer distance (that actually seem more reliable) should retain them.
If they're not reliable, get rid.
Clearly keeping them reliable is a problem for some operators/stock.
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