Saga

[Daij]

3d Homer apt to display this linguistic solecism (5,8)
MIXED METAPHOR?
15a Chuck a girl in good time - one on big business? (13)
????A???A???N COLLABORATION?
11a Old relatives occasionally upset inside? So be it (6)
????E?
12a A thousand amps in the ground rail (6)
?A????
21a Regret going up in the aircraft without new membranes (7)
??E???E
5a Unsubstantial materials get me into no end of trouble (5)
F????

Thanks in advance

[Nical]

3 Yes - 'homer apt ' is anagrammed, mixed, giving Metaphor, so leads to Mixed Metaphor

[Mamyalynne]

21 Pleura

Rue Up in Pla(n)e

[ubasses]

11 a pe men

[Nical]

15 Globalisation.

[Mamyalynne]

12 Takahe (Rail, bird)

A K a(mps) in the

[scorpiojo]

5 Fu me s(s)?

[ubasses]

12 t a k a he

[Daij]

Thanks very much evryone

[Gill55]

I have 21 across as pleurae?

[dannyk13]

Pleurae looks good - rue(regret) reversed inside pla(n)e (aircraft)

[Gill55]

Thanks Danny, just one left 20a. Aged term of respect for mythical gods A?s?r (Aesir?)

[shoota]

I think Mamy was dropping e's last night...

[dannyk13]

Yes
https://thenorsegods.com/aesir/

[Mamyalynne]

You're perfectly correct, apologies

[shoota]

Enjoy the trip?

[Mamyalynne]

I'll get you later.