About the Boeing 777-300
Boeing delivered the first 777-300 to Cathay Pacific Airways in 1998. The -300 extends the fuselage of the original 777 design. In ANA’s published specifications, its 777-300 is 73.9 meters (about 242 feet) long, compared with 63.7 meters (about 209 feet) for its 777-200. That extra length gives airlines more space to allocate to seats, service areas or cabin sections.
Seating capacity
ANA publishes a 514-seat layout for a Boeing 777-300 used on domestic flights in Japan. The map lists 21 seats in Premium Class and 493 in Economy Class. For comparison, the airline shows 405 seats on one of its domestic 777-200 seat maps. That comparison tells you how those two ANA cabins differ. For the capacity of your flight, look for the operating airline’s own configuration and check the model and variant shown in your booking.
Cabin layout
ANA’s 777-300 plan shows two aisles. Premium Class uses a 2–3–2 arrangement. Many Economy rows are 3–4–3, with four seats between the aisles and three at either side. Near the back, rows 53 through 57 have a pair along each side and four seats in the middle. The plan also shows that some seats in window positions lack a window. Check the row and seat letter together when you consult the map for your flight.
How to recognize a Boeing 777-300
Look for a long, wide fuselage with one engine under each wing. In comparable side views, the extra fuselage length is easier to see against a 777-200. Wingspan can help distinguish the original -300 from the -300ER. ANA lists 60.9 meters for its -300, while Boeing lists 64.8 meters for the -300ER. Perspective makes these proportions hard to judge from a single photo. If you can read the registration, use it to look up the exact model.
Variants and related aircraft
The FAA lists the original 777-300 under B773. The 777-300ER, or Extended Range model, uses B77W. The original 777-200 and the 777-200ER share B772. Checking the full designation is particularly useful when an airline uses a short fleet label, since the two -300 variants have different radar filters.
Boeing 777-300ER · Boeing 777-200
Frequently asked questions
How many seats are on a Boeing 777-300?
The number depends on the operator’s cabin layout. ANA publishes a 514-seat plan for a domestic 777-300. Check the map for your flight to find the layout your airline uses.
Are the 777-300 and 777-300ER the same length?
Yes. Both measure approximately 73.9 meters. They use different tracking codes, B773 for the original -300 and B77W for the -300ER.