The size of the Boeing 747 will depend on the variant. The following are the specifications for some of the 747 models.

### Dimensions of the Boeing 747 400

The 747 400 has a seating capacity of 416 (3 class) or 524 (2 class). Its length is 231 ft 10 in (70.6 m) and the wingspan is 211 ft 5 in (64.9 m). Its height is 63 ft 8 in (19.4 m). The 747 400 weighs 394,000 lbs (178,000 kg). The size of the Boeing 747 400 allows for a maximum take off weight of 875,000 lbs (396,890 kg).

The cruising speed is 912 km/h or Mach 0.85 / 493 knots). This is at 35,000 ft. The maximum range is 7,260 nmi (13,450 km). Its fuel capacity is 57,285 US gallons or 216,840 l. The cockpit crew is two. The engine models include the PW 4062, the GE CF6-80C2B5F and the RR RB211-524H.

### Dimensions of the Boeing 747SP

The Boeing 747SP is 184 ft 9 in long (36.1 m) with a wingspan of 185 ft 8 in (equal to 58.64 m). The height is 65 ft 10 in (equivalent to 20.06 m). The wing area is 5,500 sq ft (511 sq m).

The Boeing 747SP can carry 331 passengers (28 first class and 303 economy class). The empty weight is 336,870 lbs (about 152,780 kg). The aircraft is operated by three crew members (one flight engineer and two pilots).

The maximum takeoff weight is 670,000 lbs or 304,000 kg. It uses JT9D-7R4W turbofan engines (46,500 lbf, 206.8 kN). The size of the Boeing 747 allows for a maximum speed of 1,095 km/h.

This is equal to Mach 0.92 or 581 knots. The cruise speed is 990 km/h (or Mach .88 or 535 knots). The range is 6,650 mm (7,650 ml or 12,325 km). This is with 276 passengers.

### Dimensions of the Boeing 747 8

The 747 8 has a seating capacity of 467 (3 class). Its length is 250 ft 8 in (equal to 76.4 m). The 747 8’s wingspan is 224 ft 7 in (68.5 m). The cabin width is 20.1 ft (6.1 m).

Its height is 64 ft 2 in (19.6 m). The size of the Boeing 747 8 gives it an empty weight of 472,900 lbs or 214,500 kg. The maximum zero fuel weight is 642,000 lb (291,000 kg).

The maximum takeoff weight is 975,000 lbs (442,000 kg). The cruising speed is 917 km/h or Mach 0.855 / 495 knots). This is when flying at 35,000 ft. The highest speed possible at 35,000 ft is 988 km/h or Mach 0.92. The maximum range is 8,000 nmi or 15,000 km.

The cargo capacity is 5,700 cubic ft and has a maximum service ceiling of 43,000 ft (13,000 m). The thrust is 6,500 lbf (296 kN). The cockpit is composed of two pilots.

The sizes of the Boeing 747 given here are only for these models. The company has a few other variants of these airliners that have different dimensions and specifications.

## Follow Us!