Engines · turboshaft · data as of October 5, 2026

Pratt & Whitney Canada PT6B-37A

186 aircraft on the U.S. register carry a Pratt & Whitney Canada PT6B-37A engine, rated at about 900 horsepower. The Agustawestland Philadelphia Co AW119 is the model most often fitted with it (175 aircraft). The aircraft carrying it were built between 2005 and 2025.

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-37A. FAA spelling: PT6B-37A.

Fitted to model families

Agustawestland Philadelphia Co AW119175Agusta Spa A1195Agusta Aerospace Corp AW1194Agusta Spa AW119MKII1Leonardo S P A AW119 MKII1

Agustawestland Philadelphia Co AW119 · Agusta Spa A119 · Agusta Aerospace Corp AW119 · Agusta Spa AW119MKII · Leonardo S P A AW119 MKII

Where they are owner's state

Maryland127Minnesota13Louisiana8Florida7Utah6New York5Pennsylvania3Delaware3Texas2Nevada2

Kind of aircraft

Helicopters186 (100%)

When the aircraft were built by decade

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

Fitted to

Agustawestland Philadelphia Co AW119 175 with this engine series
Agusta Spa A119 5 with this engine series
Agusta Aerospace Corp AW119 4 with this engine series

Where they are

Maryland 127 of these aircraft
Minnesota 13 of these aircraft
Louisiana 8 of these aircraft
Florida 7 of these aircraft
Utah 6 of these aircraft

Biggest operators

Naval Air Systems Command 123 of these aircraft
Critical Care Services INC DBA 13 of these aircraft
Bristow LLC 5 of these aircraft
Bank Of Utah Trustee 5 of these aircraft

Analytics

These connections as data: /graph/engine/pratt-whitney-canada-pt6b-37a.json · about the eFlight graph.

Aircraft newest certificates first · 186

Tail no.	Maker and model	Group	Owner and base	Certificate	Registered	Status
N883ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-11-10	Valid
N847ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-10-20	Valid
N849ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-10-20	Valid
N852ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-27	Valid
N859ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-27	Valid
N808ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-18	Valid
N848ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-18	Valid
N853ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-18	Valid
N854ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-18	Valid
N860ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-18	Valid
N903ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-09-18	Valid
N831ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N832ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N835ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N836ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N837ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N843ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N845ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N846ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N934ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-30	Valid
N705SH	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-26	Valid
N811ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-26	Valid
N828ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-26	Valid
N829ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-26	Valid
N915ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-26	Valid
N826ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-25	Valid
N706SH	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-23	Valid
N830ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-23	Valid
N810ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-22	Valid
N823ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-22	Valid
N978ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-18	Valid
N979ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-18	Valid
N984ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-18	Valid
N985ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-18	Valid
N972ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Experimental	2023-08-15	Valid
N968ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-14	Valid
N969ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-14	Valid
N973ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-14	Valid
N974ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Experimental	2023-08-14	Valid
N952ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-08-04	Valid
N987CU	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Tvpx Aircraft Solutions INC Trustee North Salt Lake, Utah	Standard	2023-05-19	Valid
N118FC	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Florida Dept of Agriculture and Consumer Services Tallahassee, Florida	Standard	2023-03-25	Valid
N319MC	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Mercy Flight Central Holding LLC Canandaigua, New York	Standard	2023-02-08	Valid
N994ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-02-06	Valid
N703SH	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-02-02	Valid
N991ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-02-02	Valid
N993ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2023-02-02	Valid
N78LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Mercy Health Life Flight Network LLC Toledo, Ohio	Standard	2023-01-12	Valid
N949ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Commnad Patuxent River, Maryland	Standard	2022-11-03	Valid
N983ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2022-10-05	Valid
N945ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2022-10-03	Valid
N946ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2022-10-03	Valid
N948ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2022-10-03	Valid
N947ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2022-10-01	Valid
N964ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Commando Patuxent River, Maryland	Standard	2022-10-01	Valid
N967ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2022-10-01	Valid
N944ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2022-02-17	Valid
N941ST	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Naval Air Systems Command Patuxent River, Maryland	Standard	2021-10-28	Valid
N566LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Wilmington Trust CO Trustee Wilmington, Delaware	Standard	2020-10-05	Valid
N556LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Wilmington Trust CO Trustee Wilmington, Delaware	Standard	2020-08-20	Valid
N119FC	Agustawestland Philadelphia Co AW119	Rotorcraft	Florida Department of Agriculture & Consumer Servs Tallahassee, Florida	Standard	2020-05-05	Valid
N965KP	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Kinetica Energy Express LLC Patterson, Louisiana	Standard	2019-03-20	Valid
N119NY	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	City of New York Wappingers Falls, New York	Standard	2018-12-01	Valid
N360LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2018-04-20	Valid
N963KP	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Kinetica Energy Express LLC Patterson, Louisiana	Standard	2018-01-31	Valid
N359LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2017-07-10	Valid
N358LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2017-04-19	Valid
N776LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Keybank Na Superior, Colorado	Standard	2017-02-06	Valid
N786LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Keybank Na Superior, Colorado	Standard	2017-01-31	Valid
N966KP	Agusta Aerospace Corp AW119 MKII	Rotorcraft	Kinetica Deepwater Express LLC Patterson, Louisiana	Standard	2016-04-12	Valid
N357LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine Gton, Minnesota	Standard	2016-01-11	Valid
N756LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Bank of Utah Trustee Salt Lake City, Utah	Standard	2015-07-20	Valid
N726LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Bank of Utah Trustee Salt Lake City, Utah	Standard	2015-06-24	Valid
N356LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2014-07-10	Valid
N355LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2014-06-23	Valid
N354LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2014-06-02	Valid
N353LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2014-05-16	Valid
N352LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2014-04-17	Valid
N351LL	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Critical Care Services INC DBA Blaine, Minnesota	Standard	2014-03-27	Valid
N516LF	Agustawestland Philadelphia Co AW119MKII	Rotorcraft	Bank of Utah Trustee Salt Lake City, Utah	Standard	2014-01-27	Valid
N920JD	Agusta Aerospace Corp AW119 MKII	Rotorcraft	Bristow LLC Lake Charles, Louisiana	Standard	2009-10-15	Valid
N602FB	Leonardo S P A AW119 MKII	Rotorcraft	Bristow LLC Lake Charles, Louisiana	Standard	2007-07-26	Valid
N715RT	Agusta Spa A119	Rotorcraft	Bristow LLC Lake Charles, Louisiana	Standard	2007-01-29	Valid
N330JN	Agusta Spa AW119MKII	Rotorcraft	Bristow LLC Lake Charles, Louisiana	Standard	2006-08-22	Valid
N108AG	Agusta Spa A119	Rotorcraft	Bristow LLC Lake Charles, Louisiana	Standard	2005-07-29	Valid
N119RW	Agusta Spa A119	Rotorcraft	Individual owner Pennsylvania	Standard		Pending

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.