Is it possible that in this instance gheofá curtha de was a typo for gheofá cortha de as, as Labhrása said, if it were to mean 'you got through it' would have a different sentence order?

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I'm an intermediate speaker of the Corca Dhuibhne dialect of Irish and also have knowledge on the old spelling
Soir gaċ síar, fé ḋeireaḋ thíar

183 - 185

sliospholl 'porthole'
uaireanta bhí sé garbh ina chuid cainte 'sometimes his speech was rough'
bósan 'boatswain'
eascon 'eel'
dhéileálfadh na customs léi 'customs would deal with her'
bhí níos mó sa scéal seo 'there was more to the story'

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I'm an intermediate speaker of the Corca Dhuibhne dialect of Irish and also have knowledge on the old spelling
Soir gaċ síar, fé ḋeireaḋ thíar

186 - 188

bígí réidh chun troda 'be ready for a fight/to fight'
bhí'os againn cá gceart dúinn a bheith 'we knew how we wear meant to be'?, 'as far as we were meant to be'?
dhein sé comhghairdeas linn 'he congratulated us'
dlúth-dhiosca 'compact disc'
Ráiteachas na Tairngreacht(a) 'Utterance of the Prophesy', in the book the genitive of tairngreacht has an -a at the end, which isn't typical of CDh Irish (i.e. nouns ending in acht are treated as fourth declension)
bainíg plural imperative (second person) of bain (pronounced buin), which would traditionally be bainidh with a short i
tumadóireacht 'diving'
dúrtsa leis ná rabhas fiú amháin ábalta snámh gan bac le tumadh 'I wasn't even able to swim let alone dive'
lapadáil 'paddling'
c'laithe = culaithe, with the first vowel omitted
húda 'hood'
bhí phéire flippers a bhí ... does anyone know why péire get lenited here?

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I'm an intermediate speaker of the Corca Dhuibhne dialect of Irish and also have knowledge on the old spelling
Soir gaċ síar, fé ḋeireaḋ thíar

féire is the Munster form...

We knew where we should be

Cá gceart is odd - shouldn't it be cár ceart?

Cár cheart, yes, outside of Dingle.
https://www.researchgate.net/profile/James-Mccloskey-4/publication/318707753_Ellipsis_Polarity_and_the_Cartography_of_Verb-Initial_Orders_in_Irish/links/5bd7cae3299bf1124facf352/Ellipsis-Polarity-and-the-Cartography-of-Verb-Initial-Orders-in-Irish.pdf p.28-29, example (68) b

cár ceart - present-tense, and cár cheart - conditional/past tense?

Peadar Ua Laoghaire has this:
B'fhéidir go bhféadfá-sa a dh'innsint dúinn cár ceart dúinn aghaidh a thabhairt anois, nó cad é an treó baill 'n-a mbeadh aon deabhramh go dtiocfaimis suas leis an sgéal

So if I understand correctly, it's cá gceart dúinn a bheith because past particles can lose the final -r, and ceart got eclipsis by analogy to the verbal particle cá (e.g. cá bhfuil)?

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I'm an intermediate speaker of the Corca Dhuibhne dialect of Irish and also have knowledge on the old spelling
Soir gaċ síar, fé ḋeireaḋ thíar