When packing your hand luggage, its important to keep in mind the airlines restrictions on size, weight, and prohibited items. Here are some essential items to pack in your hand luggage based on the search results:

• Identification papers and documents: This includes your passport, ID, health insurance, visa documents, and flight ticket/boarding pass.

• Prescription medications: Be sure to pack any prescription medication you may need to take during the flight, as well as over-the-counter items such as painkillers, anti-diarrhea tablets, and antiseptic wipes.

• Valuables: Its generally recommended that you take your valuables with you in your hand luggage, such as your watch, camera, or laptop.

• Toiletries: Pack a small toiletry bag with essentials such as toothbrush, toothpaste, face wipes, face mask, and a resealable liquid container for liquids and gels that meet TSA guidelines.

• Reusable water bottle: Bring a refillable water bottle to stay hydrated during the flight.

• Versatile outfit: Pack a versatile outfit into your carry-on bag in case of unexpected situations such as beverage spills or lost checked baggage.

• Reading material and entertainment: Bring a book, magazine, or download your favorite albums, podcasts, or guided meditations to keep you entertained and calm during the flight.

• Snacks: Pack some food snacks to keep you fueled during the flight.

• Assistance items: Pack items such as hand sanitizer, tissues, and paper towels in case of spills or other situations where you need to dry your hands.

Remember to check your airlines specific guidelines for permitted size and amount of hand luggage, as well as prohibited items such as scissors, knives, or certain types of batteries.