Online check-in East Air - https://www.check-in.site

To complete an online check-in with East Air, please follow these general steps:

1. Visit the official website of East Air. (If you're unsure of the website URL, you can search for "East Air official website" using a search engine.)

2. Look for the "Online Check-In" or "Manage Booking" option on the website. It is usually located in the menu or at the top/bottom of the homepage. Click on it.

3. You may be prompted to enter your booking reference number or reservation code, along with the last name of the passenger. These details are typically provided in your booking confirmation email or ticket.

4. Fill in the required information accurately and click on the "Check-In" or "Continue" button.

5. Review your flight details and personal information to ensure everything is correct. Make any necessary changes if prompted.

6. Select your seat preferences if available. Depending on the airline's policy, you may be able to choose your seat during the online check-in process. If not, seats will be assigned automatically.

7. If applicable, you might have the option to add additional services or purchase extras, such as extra baggage allowance or in-flight meals. Follow the instructions on the website to proceed.

8. Once you have completed the check-in process, you will usually have the option to receive your boarding pass electronically. You can either print it out or save it on your mobile device, depending on your preference.

9. If you encounter any issues or have specific questions regarding the online check-in process, it's recommended to consult the East Air website's FAQ section or contact their customer service for assistance.

Note: The specific steps and details may vary slightly depending on the airline's website design or any updates they may have made since my knowledge cutoff in September 2021.