The Boeing 777 pronounced as ‘Triple Seven’ is a wide-body aircraft manufactured by the Boeing company. The aircraft produced to bridge the gap between the Boeing 767 and Boeing 747 is known as the world’s largest twinjet.

United Airlines was the first company to order Boeing 777 as the jet flew for the first time on June 12, 1994. It was then available for passenger service on June 7, 1995.

The Boeing 777 was introduced initially with model 777-200 and the longer-range variants were rolled out eventually. The 777-200ER was introduced in 1997 and the B777-300 in 1998. Besides, the company manufactured other versions including B777-200LR, B777 Freighter, and B777-300ER Special Freighter (SF).

In this article, we will be exploring details on Boeing 777-300ER seat map along with the technical specifications, features, and much more.

Let’s get started.

Boeing 777-300ER Introduction

Abbreviation ‘ER’ stands for ‘Extended Range’ so, the Boeing 777-300ER is known as the extended-range version of the B777-300. It is the world’s largest long-range twin-engine jetliner.

The Boeing 777-300ER is powered by the largest and most powerful commercial jet engine. This aircraft offers various advantages that include reliability, enhanced fuel economy, efficiency, comfort for passengers, high levels of payload and range.

B777-300ER Design and Dimension

The Boeing 777-300ER is designed with a strong fuselage, enhanced wings, and modified main landing gear. The jet is equipped with raked and extended wingtips with refined aerodynamics. Talking about the Boeing 777 300ER seats, it is equipped with a two-class seating arrangement that can accommodate a total of 396 passengers.

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The length of B777-300ER is 73.9 meters and the wingspan is 64.8 meters whereas the height is 18.5 meters. The jet offers a range of 7370 nmi (13649 km).

B777-300ER Engine

The Boeing 777-300ER is powered by the most efficient General Electric GE90-115BL engine with a maximum thrust of 115,300 lbf (513 kN).

B77-300ER fuel efficiency

With the newer technology, aerodynamic refinements, and various other modifications, the Boeing 777-300ER offers enhanced fuel efficiency. As per the flight testing, the jet reduced fuel burn by an additional 1.4 percent with the refinement in aerodynamics.

This largest twin-engine jet burns 17,300 lb (7.8 tons) of fuel per hour at a speed of 495 knots (916 km/h or Mach 0.839) while cruising at an altitude of 30000 feet (FL300) with 233 tons weight and temperature of -59 degrees Celsius.

Boeing 777-300ER Seat Map

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Boeing 777 300er seats configuration

As per the Boeing 777 300ER seat design, it can accommodate 370 passengers in a 2-class layout with 28 tons of cargo. The seating configuration may slightly differ from airline to airline due to their specific requirements.

So, let’s explore the Boeing 777 300ER seats configuration of some popular airlines including United Airlines, All Nippon Airways, Singapore Air, Qatar Airways, Evaair, Thai Airways, and Korean Air.

United Airlines Boeing 777 300ER Seats configuration

United Airlines has a seating configuration of 60/24/266 in its Boeing 777-300ER (77W) fleet. The seats are classified as United Polaris business class, United Premium Plus, United Economy Plus, and United Economy. A total of 350 seats are classified in these configurations.

Seat numbers are allocated 1A-18L for United Polaris Business Class, 20A-22L for United Premium Plus, 30A-33L, 34ABCJKL, 35ABCJKL, 45ABCJKL, 46DEFG for United Economy plus, and 34DEFG, 35DEFG, 36A-43L, 46ABCJKL, 47A-68G for United Economy.

United Airlines Boeing 777 300er seats configuration

The Boeing 777 300ER seat configuration for United Airlines is 1-2-1 for Business class, 2-4-2 for Premium Plus, 3-4-3 for Economy Plus, and 3-4-3 for Economy.

Exit doors are important during emergency situations and you will find exit rows/doors in the front of the cabin and between rows 8 and 9 in the United Polaris Business Class, another after row 22 in the United Premium Plus, next before row 30 in the United Economy Plus, and the final one before row 45 in the United Economy.

Passengers will get a sleeping space of 198cm in the Polaris Business Class, 97 cm in the Premium Plus, 86 cm in the Economy Plus, and 78 cm in the Economy. Talking about the seat recline, Polaris Business class allows you to recline seats up to 180 degrees while Premium Plus allows reclining by 15 cm, Economy Plus by 10cm, and Economy by 8 cm.

The Boeing 777 300ER seats on the United Airlines are equipped with in-flight entertainment as all the seats offer seatback on-demand and personal device entertainment along with W-Fi, Power outlets, and USB ports.

Interior elementsUnited Polaris business classUnited Premium PlusUnited Economy PlusUnited Economy
Number of seats602462204
Seat numbers1A-18L20A-22L30A-33L, 34ABCJKL, 35ABCJKL, 45ABCJKL, 46DEFG34DEFG, 35DEFG, 36A-43L, 46ABCJKL, 47A-68G
Exit rows/doorsFront of cabin and between rows 8 and 9After row 22Before row 30Before row 45
Seat configuration1-2-12-4-23-4-33-4-3
Standard seat pitch6’6″ (198 cm) sleeping space38″ (97 cm)34″ (86 cm)31″ (78 cm)
Standard seat recline180°6″ (15 cm)4″ (10 cm)3″ (8 cm)
Seat width22″ (55.9 cm)18.5″ (47 cm)17.05″ (43.3 cm)17.05″ (43.3 cm)
Movable aisle armrestsRows 2, 4, 6, 8, 10, 12, 14, 16, 18All aisle seatsAll aisle seats (except bulkhead)All aisle seats
EntertainmentSeatback on-demand and personal device entertainmentSeatback on-demand and personal device entertainmentSeatback on-demand and personal device entertainmentSeatback on-demand and personal device entertainment
Power outletsYesYesYesYes
USB portsYesYesYesYes
Fixed bassinets9A, 9L20E, 20F30E, 30F, 46E, 46F

All Nippon Airways Boeing 777 300ER seats configuration

The Boeing 777-300ER (77W) operated by All Nippon Airways comes with seating arrangements of 250 seats, 212 seats and a new 212 seat capacity.

The 250 seats arrangements contain 8 First Class, 52 Business Class, 24 Premium Economy, and 166 Economy class seats. The seat rows are numbered from 1 to 42 in which First Class seats are allocated in rows 1 and 2, Business Class seats in rows 5 to 17, Premium economy seats in rows 18 to 20, and Economy class seats in rows 24 to 42.

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All Nippin Airways Boeing 777 300er seats configuration

The emergency exits are placed on both sides at the front of the cabin, both sides behind row 6, both sides behind row 17, both sides in front of row 30, and both sides at the back of the cabin.

In contrast, the 212 seats configuration holds 8 First Class, 68 Business Class, 24 Premium Economy, and 112 Economy class seats numbered from 1 to 42. Rows 1 and 2 are occupied by First Class seats, rows 5 to 21 by Business Class seats, rows 25 to 27 by Premium Economy seats, and remaining rows 30 to 42 by the Economy Class seats. Emergency exit locations are the same as on 250 seats.

The new 212 seats configuration is slightly different from the 212 seats as it is equipped with 8 seats in First Class, 64 seats in Business Class, 24 in Premium Economy, and 116 seats in Economy Class. Rows 1 and 2 are owned by First Class seats, rows 5 to 20 by Business Class seats, and rows 25 to 27 by Premium Economy seats. Emergency exits are almost the same but one is located on both sides in front of row 7 and another on both sides behind row 16.

Singapore Airlines Boeing 777 300ER seats configuration

The Singapore Boeing 777-300ER is equipped with a 4-class seating configuration. 4 seats are occupied by First Class-F, 48 seats by Business Class-J, 28 seats by Premium Economy Class-S, and 184 seats by Economy Class-Y.

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Singapore Airlines Boeing 777 300er seats configuration

The First Class comes with a First Class seat and Bassinet whereas the Business Class features Business Class seats with Bassinet. The Premium Economy Class-S features Extra Legroom Seat, Bassinet, and Premium Economy Class Seat. Likewise, the Economy Class-Y features a standard, forward zone seat with extra legroom, bassinet, and windowless seats.

Korean Air Boeing 777 300ER seats configuration

Korean Air Boeing 777 300ER seats come in two configurations which are 277 seats and 291 seats. The 277 seats configuration features First Class, Prestige Class, and Economy Class seats. There are 8 seats in the First Class, 42 in the prestige class, and 227 seats in the Economy class.

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Korean Air Boeing 777 300er seats configuration

The First Class Boeing 777 300ER seats are equipped with Kosmo Suites 2.0 that offers facilities including an entertainment system, Power Supply Device, 180-degree reclining seat, USB charging port, personal monitor, privacy improved sliding doors, personal closet, and much more.

The B777-300ER with 291 seats also features three classes. The First Class occupies 8 seats, Prestige Class 56 seats, and Economy gets 227 seats.

The Prestige Class also offers the features like that of First Class but it doesn’t provide privacy options. The Economy Class seats are equipped with a comfortable environment, slim and ergonomic design. The economy seats also offer features listed above however, the seat reclining angle is 118 degrees.


Airbus A330-200
Airbus A220-300
Airbus A319
Airbus A330-300

Airbus A321
Airbus A320
Airbus A380
Airbus A350
Boeing 737-700
Boeing 737-900
Boeing 737 MAX 9
Boeing 787-8 Dreamliner

Boeing 787-9 Dreamliner
Boeing 787-10 Dreamliner
Boeing 777-200
Boeing 767-300

Boeing 737-800
Boeing 737 MAX 8

Evaair Boeing 777 300ER seats configuration

The Evaair Boeing 777 300ER comes with three configuration codes namely 77M, 77A, and 77B. The 77M is equipped with 323 seats of which 38 seats are covered by Royal Laurel Class, 64 seats by Premium Economy Class, and 221 seats by the Economy class.

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Evaair Boeing 777 300er seats configuration

The 77A model accommodates 333 seats where 39 seats are occupied by Royal Laurel Class, 56 by Premium Economy Class, and 238 by Economy Class. The 77B model holds 353 seats where Royal Laurel Class contains 39 seats, Premium Economy Class 56, and Economy Class 258 seats.

Thai Airways Boeing 777 300ER seats configuration

Thai Airways Boeing 777-300ER ‘77B’ is equipped with 348 seats in which Royal Silk Class holds 42 seats and the remaining 306 seats are assigned for economy class.

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Thai Airways Boeing 777 300er seats configuration

The seats in the Royal Silk class recline to let you access a lie-flat bed. Every seat features a variety of positions between upright and fully reclined for optimum balance of head, back, leg angle, and lumbar support.

The economy class features bright and cheerful cabin colors, friendly service, and sufficient overhead storage bins. The seats are plush, wide, reclining, and offer ample legroom.

Boeing 777-300ER Technical Specifications

AvionicsHoneywell Avionics
Engine2x General Electric GE90-115B Turbofan
Power115,300 lb-f
Max Cruise Speed510 knots (945 Km/h)
Approach Speed (Vref)149 knots
Range7,730 Nautical Miles (14,316 Kilometers)
Fuel Economy0.16 nautical mile/gallon (0.078 kilometres/litre)
Service Ceiling43,100 feet
Rate of Climb3000 feet/minute (15.24metre/second)
Take-Off Distance3000 metre – 9,842.40 feet
Landing Distance1800 metre – 5,905.44 feet
Seats – Economy/General550 seats
Seats – Business Class451 seats
Seats – First Class365 seats
Cabin Height2.2 meter – 7.22 feet
Cabin Width5.86 meter – 19.23 feet
Cabin Length59.24 meter – 194.35 feet
Exterior Length73.86 meter – 242.32 feet
Tail height18.85 meter – 61.84 feet
Fuselage Diameter6.19 meter – 20.31 feet
Wing Span / Rotor Diameter64.8 meter – 212.60 feet
Wing TipsRaked Wingtips
Max Take-Off Weight351,535 Kg (774,994 lbs)
Max Landing Weight260,816 Kg (574,995 lbs)
Max Payload69,853 Kg (153,998 lbs)
Fuel Tank Capacity47,890 gallon (181,283 litre)
Baggage Volume213.8 m3/7,550 ft3

How many seats does a Boeing 777-300ER have?

The seats of a Boeing 777-300ER can accommodate 250 to 369 passengers depending upon the configuration, payload, and other factors.

What is the difference between Boeing 777-300 and 777-300ER?

The Boeing 777-300ER is the Extended Range version of the B777-300 that means it has larger wingspan and offers more range.

Does Boeing 777-300ER have TV?

The TV, personal monitor and other in-flight entertainment systems in the Boeing 777-300ER are available however, it depends upon the airlines.

Which is the best seat on Boeing 777-300ER?

Different airlines have different seating configurations so, you need to check for extra legroom, armrest, window-view, and your other requirements to find out the best seat on Boeing 777-300ER.

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Suman Karki
Suman Karki is the founder of the AviaTech Channel blog and YouTube Channel. He is a passionate aviation enthusiast and holds experience working as a Ground Operations Officer for Swissport International. He is currently serving as a Flight Data Feeder for FlightAware (a US-based company for Flight Tracking). Besides, he has worked as an aviation content editor for various aviation media.



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