Declension table of ?vimānastha

Masculine	Singular	Dual	Plural
Nominative	vimānasthaḥ	vimānasthau	vimānasthāḥ
Vocative	vimānastha	vimānasthau	vimānasthāḥ
Accusative	vimānastham	vimānasthau	vimānasthān
Instrumental	vimānasthena	vimānasthābhyām	vimānasthaiḥ vimānasthebhiḥ
Dative	vimānasthāya	vimānasthābhyām	vimānasthebhyaḥ
Ablative	vimānasthāt	vimānasthābhyām	vimānasthebhyaḥ
Genitive	vimānasthasya	vimānasthayoḥ	vimānasthānām
Locative	vimānasthe	vimānasthayoḥ	vimānastheṣu

Compound vimānastha -

Adverb -vimānastham -vimānasthāt