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

Pratt & Whitney Canada PT6B-36A

3 aircraft on the U.S. register carry a Pratt & Whitney Canada PT6B-36A engine, rated at about 981 horsepower. The Sikorsky S-76 is the model most often fitted with it (3 aircraft). The aircraft carrying it were built between 1985 and 1992.

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 PT6B-36A. FAA spelling: PT6B-36A.

Fitted to model families

Sikorsky S-763

Sikorsky S-76

Where they are owner's state

Oregon1Louisiana1Florida1

Kind of aircraft

Helicopters3 (100%)

When the aircraft were built by decade

001222198011990

What the FAA has certified, ordered and been told about the Pratt & Whitney Canada PT6B-36A the component layer

The design is held under 1 type certificate (E21NE, held by Pratt & Whitney Canada CORP.). The FAA has issued 2 airworthiness directives (orders that owners must comply with) that name this engine series.

FAA orders 2 airworthiness directives · newest first

2004-10-182004-20-04 · Compressor rear hubs · engine
1988-11-2988-03-01 · Compressor Stator Assembly · engine

Certificates and bulletins

E21NEType certificate held by Pratt & Whitney Canada CORP. · 5 models listed · revised June 4, 2007

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-pt6b-36a.json · about the eFlight graph.

Aircraft newest certificates first · 3

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N176BA Sikorsky
S-76B
Rotorcraft Islander Holdings LTD
Fort Lauderdale, Florida
Standard 2023-03-13 ValidFAA registration status code V: Valid registration. All codes
N76VR Sikorsky
S-76B
Rotorcraft Arrow Aviation CO LLC
Broussard, Louisiana
Standard 2019-12-13 ValidFAA registration status code V: Valid registration. All codes
N208S Sikorsky
S-76B
Rotorcraft Sugar Pine Aviation LLC
Merlin, Oregon
Standard 2019-06-10 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.