The U.S. aircraft register, updated daily
Engines · turboprop · data as of October 7, 2026

Pratt & Whitney Canada PW127E

1 aircraft on the U.S. register carry a Pratt & Whitney Canada PW127E engine, rated at about 2160 horsepower. The Eads/Alenia Atr ATR 42-500 is the model most often fitted with it (1 aircraft).

The FAA records engines by code, usually at the level of a series ("O-320 series") rather than the exact variant; this page gathers every FAA code that reads as Pratt & Whitney Canada PW127E. FAA spelling: PW127E.

Fitted to model families

Eads/Alenia Atr ATR 42-5001

Eads/Alenia Atr ATR 42-500

Where they are owner's state

Hawaii1

Kind of aircraft

Turboprops1 (100%)

When the aircraft were built by decade

0001112000

What the FAA has certified, ordered and been told about the Pratt & Whitney Canada PW127E the component layer

The design is held under 1 type certificate (E20NE, held by Pratt & Whitney Canada CORP.). The FAA has issued 10 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 40 failure reports with the FAA since 1995, 18 of them in the last ten years.

FAA orders 10 airworthiness directives · newest first

2015-11-182015-20-03 · Fuel nozzle and the fuel manifold flow adapter · engine
2014-08-152014-14-02 · O-ring seal · engine
2013-09-172013-15-08 · First-stage PT blades · engine
2013-02-152012-26-08 · Propeller shafts · engine
2012-07-202012-11-14 · Propeller shafts · engine
2006-09-292006-19-06 · Propeller shaft · engine

All orders naming the Pratt & Whitney Canada PW127E

Failure reports 40 since · what operators and shops told the FAA

02468091420124

Parts most often reported as the reports name them

Engine15Oil System4Autofeather Sys2Wire Harness2Bearing1Blade1Bleed Valve1Cap1Combust Chamber1Connector1

Latest reports

2024-12-02Engine: failed
2022-05-18None: none
2022-04-01None: corroded
2022-03-21Engine: leaking
2020-10-03Connector: dirty

Certificates and bulletins

E20NEType certificate held by Pratt & Whitney Canada CORP. · 26 models listed · revised September 22, 2025

Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.

Connections how this engine series links to the rest of the register

Where they are

These connections as data: /graph/engine/pratt-whitney-canada-pw127e.json · about the eFlight graph.

Aircraft newest certificates first · 1

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N801HC Eads/Alenia Atr
ATR 42-500
Fixed-wing, multi-engine Airline Contract Maintenance and Equipment INC
Honolulu, Hawaii
Standard 2012-10-10 ValidFAA registration status code V: Valid registration. All codes

Source: FAA Civil Aviation Registry, Releasable Aircraft Database (the engine reference table and each aircraft's engine code), October 7, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.