Boeing 737-900ER

The extended-range narrow-body built for high-capacity short and medium-haul routes.

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Alaska Airlines – Boeing 737-900ER ‘N248AK’ – © Brandon Farris

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Overview

Boeing United States ICAO: B739 2005–Present Active $112.6 million (2019)

The Boeing 737-900ER is a stretched variant of the 737 Next Generation family. Designed to carry more passengers and operate longer routes than earlier versions, it entered service in the mid-2000s. The aircraft became popular with major carriers.

Live Fleet Activity (B739)

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Specifications

Units
Engine
2 × CFM56-7B24/26/27
Engine type
Turbofan
Thrust
2 × 28,400 lbf · 126 kN
Avionics
Honeywell CDS
Wing tips
Split scimitar winglet
Seats
220 economy · 204 business · 177 first
Crew
—
Cabin width
11 ft 7 in  ·  3.53 m
Cabin height
7 ft 3 in  ·  2.20 m
Cabin length
107 ft 0 in  ·  32.61 m
Exterior length
138 ft 1 in  ·  42.10 m
Tail height
41 ft 2 in  ·  12.55 m
Fuselage diameter
12 ft 4 in  ·  3.76 m
Wing span
117 ft 5 in  ·  35.79 m
Baggage volume
1,826 ft³  ·  51.7 m³
Gross weight
—
Empty weight
—
Max takeoff weight
187,500 lb  ·  85,000 kg
Max landing weight
157,500 lb  ·  71,500 kg
Max payload
51,000 lb  ·  23,000 kg
Fuel capacity
7,850 gal · 29,700 L · 23,700 kg (Jet A)
Max cruise speed
510 kt  ·  587 mph  ·  945 km/h
Maximum speed
—
Cruise speed
—
Approach speed
145 kt  ·  167 mph  ·  269 km/h
Range
3,235 nm  ·  3,720 mi  ·  5,990 km
Fuel burn
0.40 nm/gal  ·  0.20 km/L
Ceiling
41,000 ft  ·  12,500 m
Rate of climb
3,000 ft/min  ·  15 m/s
Takeoff distance
7,550 ft  ·  2,300 m
Landing distance
5,600 ft  ·  1,700 m
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Alaska Airlines Boeing 737-900ER ‘N428AS’

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Operational Context

Boeing 737-900ER — extended-range narrow-body jet

The 737-900ER first flew in 2006 and entered service in 2007. It introduced structural improvements and additional fuel capacity compared with the 737-900. The aircraft retained the low-wing configuration and underwing engines typical of the 737 family.

Powered by two CFM56-7B turbofan engines producing approximately 27,000 pounds of thrust (120 kN) each, the 737-900ER cruises at around 460 knots (850 km/h). Maximum takeoff weight is roughly 187,700 pounds (85,130 kg). Seating capacity typically ranges from 178 to over 200 passengers depending on layout.

The 737-900ER bridged the gap between earlier 737 models and the later 737 MAX series. It remains in service with airlines operating high-frequency domestic and regional routes. The aircraft reflects the continued evolution of Boeing’s narrow-body platform.