The U.S. aircraft register, updated daily
Engines · turboprop · data as of October 5, 2026

Pratt & Whitney Canada PT6A-45R

7 aircraft on the U.S. register carry a Pratt & Whitney Canada PT6A-45R engine, rated at about 1197 horsepower. The Short Bros SD3 is the model most often fitted with it (2 aircraft). The aircraft carrying it were built between 1978 and 2014.

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 PT6A-45R. FAA spelling: PT6A-45R.

Fitted to model families

Short Bros SD32Short Bros. & Harland SD-32Air Tractor Inc AT-6021Air Tractor Inc AT-8021Thrush Aircraft Inc S-21

Short Bros SD3 · Short Bros. & Harland SD-3 · Air Tractor Inc AT-602 · Air Tractor Inc AT-802 · Thrush Aircraft Inc S-2

Where they are owner's state

Virginia2Illinois2Utah1North Carolina1Indiana1

Kind of aircraft

Turboprops7 (100%)

When the aircraft were built by decade

0122311970319802199012010

What the FAA has certified, ordered and been told about the Pratt & Whitney Canada PT6A-45R the component layer

The design is held under 1 type certificate (E4EA, held by Pratt & Whitney Canada CORP.). The FAA has issued 1 airworthiness directive (orders that owners must comply with) that name this engine series.

FAA orders 1 airworthiness directives · newest first

1997-03-1497-04-12 · Compressor Bleed-off Valve · engine

Certificates and bulletins

E4EAType certificate held by Pratt & Whitney Canada CORP. · 54 models listed · revised June 16, 2021

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

Fitted to
Where they are
Biggest operators
Airworthiness

These connections as data: /graph/engine/pratt-whitney-canada-pt6a-45r.json · about the eFlight graph.

Aircraft newest certificates first · 7

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N602TJ Air Tractor Inc
AT-602
Fixed-wing, single engine Woodley Aerial Leasing LLC
Walnut, Illinois
Restricted 2022-01-11 ValidFAA registration status code V: Valid registration. All codes
N175ZZ Short Bros
SD3-30 200
Fixed-wing, multi-engine Arne Aviation LLC
Suffolk, Virginia
Standard 2020-06-12 ValidFAA registration status code V: Valid registration. All codes
N893MM Short Bros
SD3-30 200
Fixed-wing, multi-engine Arne Aviation LLC
Suffolk, Virginia
Standard 2020-06-12 ValidFAA registration status code V: Valid registration. All codes
N510HE Thrush Aircraft Inc
S2R-H80
Fixed-wing, single engine Ed Air INC
Oaktown, Indiana
Restricted 2019-08-01 ValidFAA registration status code V: Valid registration. All codes
N323WW Short Bros. & Harland
SD3-30
Fixed-wing, multi-engine Win Win Aviation INC
Wake Forest, North Carolina
Standard 2019-01-02 ValidFAA registration status code V: Valid registration. All codes
N264AC Short Bros. & Harland
SD3-30
Fixed-wing, multi-engine Bank of Utah Trustee
Salt Lake City, Utah
Standard 2017-12-06 ValidFAA registration status code V: Valid registration. All codes
N802QH Air Tractor Inc
AT-802A
Fixed-wing, single engine T & M Aircraft LLC
Monticello, Illinois
Restricted 2016-07-14 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 5, 2026. Horsepower and thrust are the FAA's figures for the series, not for a particular aircraft.