Guv, quick, planes inbound. The exact word here is "eldest brother", but it's used in more of a hierarchical context not unlike Japanese 'aniki'. Also, "大哥" has been used to translate "guv" in English novels.

Don't worry, I've got a mobile.

Used one in the past to call the rest of the chaps to wail on Bismarck, in fact.

Hullo, is Ark Royal there?

Guv:   I'm afraid o' gettin' heavily damaged! Try not to look around fer me!

Ah, sister dear. No. 2 here. I need some help.

I'm your little sister! The Eldest went out!

Nobody's at home?

Nelson, old chap, you there? I'll need your help in an upcoming scrap...

What? In Malaya? "Malaysia" in the original, but Malaysia was historically still Malaya at that time.

'fraid not, guv! 'tis too far!

Any kets? Sweets.

...no.