Aerospace Garage

PRODUCT PROFILE

HF120 [本田技研工業株式会社]

GE Honda Aero Engines HF120 [本田技研工業株式会社]
Photo: AEB PR / Wikimedia Commons · CC BY-SA 4.0

LIGHT TURBOFAN PROPULSION

HF120 [本田技研工業株式会社]

Japan · verified

MAKER

GE Honda Aero Engines →www.gehonda.comlast verified 21 Sept 2026
COUNTRY
Japan
PROGRAMME STATUS
verified

Specifications

Function
Propulsion for light business aircraft providing thrust via a high-bypass turbofan cycle.
Platform fit
Standard fitment for the HondaJet HA-420 and a retrofit option for the Cessna CitationJet.
Commercial model
Sold as original equipment or retrofit kits, often bundled with hourly maintenance service plans.
Technical layout
Counter-rotating two-shaft design featuring a wide-chord fan and cooled high-pressure turbine blades.
Deployment status
In active global production and service across civilian aviation markets.
Evidence to demand
Documented high delivery volumes for the HondaJet series and established aftermarket retrofit orders.

Description

The HF120 is a small-form turbofan engine developed by GE Honda Aero Engines [GEホンダ・エアロ・エンジン], a partnership between GE Aerospace and Honda Motor Co., Ltd. [本田技研工業株式会社]. The design originates from the earlier Honda HF118 technology demonstrator and incorporates a counter-rotating twin-spool architecture. It is built to serve the light business jet market, prioritising fuel efficiency and low noise emissions through a high bypass ratio and integrated FADEC controls. This engine serves as the primary propulsion system for the HondaJet [ホンダジェデト] HA-420 family, including the Elite and Echelon variants. It is also utilised as a re-engining option for the Cessna CitationJet series via third-party modification programmes. Sales are generally conducted through direct supply agreements with airframers or via engine-by-the-hour maintenance programmes, which target corporate flight departments and fractional ownership providers. Risks for the buyer centre on the engine's narrow platform base, which ties the product's long-term resale value and parts availability to the commercial success of the Honda Aircraft Company [ホンダ・エアロ・クラフト・カンパニー]. The desk advises verifying the maturity of the service network in remote territories and checking the current intervals for major periodic inspections. Technical due diligence should focus on the durability of hot-section components and the history of service bulletins regarding the fuel control units.

Linked stories

No newsroom coverage tied to this product yet.

LAST VERIFIED

21 Sept 2026

SOURCE CITATION

Maker website on record

Connected across the platform

GE Aerospacecompanygeaerospace.comlast verified 6 Sept 2026Honda Motor CoLtd.Honda Aircraft Companycompanyhondajet.comlast verified 6 Sept 2026Cessna CitationJetSierra IndustriesWilliams International FJ44