Blue Bird Airways is a charter airline based in Greece that operates flights to various destinations. While specific details about Blue Bird Airways Check In procedures may vary, here is a general guide on how passengers can check in for their flights with the airline:

1. Online Check-In: Blue Bird Airways may offer online check-in services through its official website. Passengers can typically check in online within a specified time frame before their scheduled departure. This option allows travelers to select seats, input passenger information, and obtain their boarding passes electronically.
2. Airport Check-In: Passengers flying with Blue Bird Airways can also opt for airport check-in at the designated check-in counters. Airport check-in typically opens a few hours before the flight departure time. Passengers are required to present their travel documents, such as passports and booking confirmations, at the check-in counter.
3. Check-In Deadlines: It is essential for passengers to be aware of the check-in deadlines set by Blue Bird Airways. These deadlines vary depending on the departure airport, destination, and type of flight. Missing the check-in deadline may result in denied boarding, so passengers should arrive at the airport with sufficient time to complete the check-in process.
4. Baggage Drop: If passengers have checked baggage, they will need to proceed to the baggage drop-off counter after completing the check-in process. Here, the airline staff will weigh and tag the luggage before sending it for loading onto the aircraft.
5. Security Screening: After checking in and dropping off any checked baggage, passengers will need to proceed through security screening. This process involves passing through security checkpoints where carry-on luggage and personal belongings are scanned for security purposes.
6. Boarding Pass: Upon successful completion of the check-in process, passengers will receive their boarding passes. Boarding passes contain essential flight information, such as the passenger's name, flight number, departure gate, seat assignment, and boarding time.
7. Boarding: Passengers should proceed to the designated boarding gate at the indicated time on their boarding pass. Boarding typically begins a certain time before the scheduled departure, and passengers are required to present their boarding passes for verification before entering the aircraft.

It is recommended that passengers flying with Blue Bird Check In the airline's official website or contact their customer service for specific and up-to-date information regarding the check-in procedures, requirements, and any additional services offered by the airline.