Dua #1.
بِسْمِ اللَّهِ مَجْرَاهَا وَمُرْسَاهَا ۚ إِنَّ رَبِّي لَغَفُورٌ رَّحِيمٌ
bismi Allahi majraha wamursaha inna rabbee laghafoorun raheem
Read this dua while boarding a ship or a plane. This is the dua of Prophet Nuh (Peace be upon him) in the name of Allah is its course and its anchorage. Indeed, my Lord is Forgiving and Merciful
Surah Hud, verse 41
Dua #2.
رَبِّ إِنّى أَعوذُ بِكَ أَن أَسـَٔلَكَ ما لَيسَ لى بِهِ عِلمٌ ۖ وَإِلّا تَغفِر لى وَتَرحَمنى أَكُن مِنَ الخٰسِرينَ
rabbi innee aAAoothu bika an asalaka ma laysa lee bihi AAilmun wailla taghfir lee watarhamnee akun mina alkhasireen
My Lord, I seek refuge with You from asking You of that which I have no knowledge. If You do not forgive me and have mercy on me, I shall be among the losers.
Surah Hud, verse 47