Aircraft Dimensions

Aircraft / McDonnell Douglas

McDonnell Douglas MD-90

McDonnell Douglas · jet, 2 engines · ICAO MD90

The McDonnell Douglas MD-90 has the longest wheelbase and the 3rd-greatest length in Design Group III (77 types). Within the 7-variant MD-80, MD-90 and 717 line it has the greatest length. The runner-up in wheelbase, the McDonnell Douglas MD-81, trails by 6.6%. The MD-90’s FAA reference approach speed, 141 kt, the input that sets its Approach Category, sits exactly on the 141 kt floor of Category D. The FAA lists it in two approach categories, C and D, from reference speeds of 138 to 141 kt.

118 ft · Group IV starts79 ft · Group III starts107.9 ft
118 ft · Group IV starts79 ft · Group III starts107.9 ft
Wingspan
107.9 ft32.9 m
Length
152.6 ft46.5 m
Tail height
31.2 ft9.5 m
45 ft · Group IV starts30 ft · Group III starts31.2 ft
45 ft · Group IV starts30 ft · Group III starts31.2 ft

Overlay with the MD-81

Airport design codes

III

Design Group III. Set by wingspan and tail height alike.

D

Approach Category D. Band: 141 to 165 kt.

Gear and weights

Weights and codes
Cockpit to main gear77.2 ft23.5 m
Span-to-length ratio0.71
Max. takeoff weight156,000 lb70,760 kg
Max. landing weight137,000 lb62,142 kg
Main gear codeD
Taxiway Design Group4
ICAO wake categoryMedium

Where it sits

The MD-90 also has the 4th-lowest wingspan-to-length ratio in Design Group III (77 types), and the joint 3rd-tallest tail among the 11 McDonnell Douglas types. By length it falls between the Boeing 707-300 and the Airbus A400M Atlas.

Main gear 20.4 ft wide (6.2 m), 19% of the span; wheelbase 77.2 ft (23.5 m), 51% of the length.

US records: no US flight-plan operations in FY2024; 38 on the US register.

One of 7 variants on the MD-80, MD-90 and 717 page.

Closest in size on this site

Source: FAA Aircraft Characteristics Database, October 2024 release. How we measure.