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PRATT & WHITNEY

PW1127G-JM

Turbofan

ENGINE9 documented fields
Compare this engine
OpenAP reference record 18PW122. Values describe the source configuration and test conditions. Fuel-flow modes are reference test points, not an in-flight fuel prediction. Dimensions and certified operating limits are not supplied by this dataset.
Reference thrust120430 N
Bypass ratio12.28 :1
Pressure ratio31.66 :1
Takeoff fuel flow0.8 kg/s
REFERENCE COVERAGELoading coverage…
PROVENANCE1 linked source
LAST RETRIEVED2026-09-05
View missing fields and source dates

Source editions

OpenAP engine properties ↗Edition / snapshot: Reference snapshot, September 2026Retrieved: 2026-09-05

Retrieval dates record when Owl obtained the data; they are not publication dates or proof that a specification is current. Where the edition contains only a snapshot date, the original publication date is not recorded.

01

Output

Reference maximum thrustOpenAP engine dataset · 18PW122 · max_thrust
120,430 N
02

Architecture

Bypass ratioOpenAP engine dataset · 18PW122 · bpr
12.28 :1
Overall pressure ratioOpenAP engine dataset · 18PW122 · pr
31.66 :1
03

Fuel flow

Approach fuel flowOpenAP engine dataset · 18PW122 · ff_app
0.2322 kg/s
Climb-out fuel flowOpenAP engine dataset · 18PW122 · ff_co
0.67 kg/s
Idle fuel flowOpenAP engine dataset · 18PW122 · ff_idl
0.08 kg/s
Reference LTO fuelOpenAP engine dataset · 18PW122 · fuel_lto
303 kg
Takeoff fuel flowOpenAP engine dataset · 18PW122 · ff_to
0.8 kg/s
04

Provenance

Source manufacturer nameHistorical source label retained.
Pratt & Whitney

Aircraft connections

Exact engine-name matches in the aircraft catalogue. This is not a complete installation or certification list.

Airbus A320-271N

Dimensions, dry weight, shaft-power ratings and certified limits are not documented in this engine dataset.

Sources & context

Reference values vary with model, rating and conditions. Consult the relevant manufacturer documentation for certified specifications.