Valmiki Ramayana 5.27.19

आरुह्य पुष्पकं दिव्यं विमानं सूर्यसन्निभम् ।उत्तरां दिशमालोक्य जगाम पुरुषोत्तमः॥

āruhya puṣpakaṃ divyaṃ vimānaṃ sūryasannibham |uttarāṃ diśamālokya jagāma puruṣottamaḥ ||

Our plain-language meaning of this verse is waiting for scholar review.