IATA 7M9ICAO B39M

Boeing 737 MAX 9

Boeing

TravelerPulse profile

Boeing's longest MAX variant for high-density routes.

First flight

2017

Category

Narrow-body jet

Seating

178–220 passengers

Range

6,570 km

Engines

Two CFM International LEAP-1B turbofans

Status

In production

The Boeing 737 MAX 9 is a narrow-body, single-aisle commercial jetliner and the second-largest member of the 737 MAX family. It is a direct successor to the 737-900ER, featuring CFM International LEAP-1B engines, advanced winglets, and airframe improvements that deliver significant fuel efficiency gains over previous-generation 737s. The MAX 9 entered service in 2018 and is optimized for medium- to long-haul routes within the narrow-body segment. It can seat up to approximately 220 passengers in a high-density single-class layout, though typical two-class configurations accommodate around 178 passengers. The 737 MAX family, including the MAX 9, was grounded globally between March 2019 and late 2020 following two fatal crashes of the smaller MAX 8 variant linked to the MCAS flight control system. The MAX 9 faced additional scrutiny in January 2024 when a door plug blew out on an Alaska Airlines flight, prompting a temporary grounding of MAX 9 aircraft and subsequent inspections.

Notable operators

Major operators include United Airlines, Alaska Airlines, Lion Air, and Copa Airlines.

Notable facts

›First flight occurred on April 13, 2017.
›Grounded worldwide from March 2019 to late 2020 following the 737 MAX MCAS-related crashes.
›A door plug separation on an Alaska Airlines MAX 9 in January 2024 led to a temporary FAA-ordered grounding.
›Shares a common type rating with other 737 MAX variants, reducing pilot transition costs.
›Offers approximately 14–20% better fuel efficiency compared to the 737-900ER it replaces.

Read more on Wikipedia

This profile is provided for general information only. Specifications may be inaccurate or vary by variant/operator — verify with the manufacturer before relying on them.

Encyclopaedia

The Boeing 737 MAX is a series of narrow-body aircraft developed by Boeing Commercial Airplanes as the fourth generation of the Boeing 737. It succeeds the Boeing 737 Next Generation and incorporates more efficient CFM International LEAP engines, aerodynamic improvements such as split-tip winglets, and structural modifications. The program was announced in August 2011, the first flight took place in January 2016, and the aircraft was certified by the U.S. Federal Aviation Administration (FAA) in March 2017. The first delivery, a MAX 8, was made to Malindo Air in May 2017.

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