The U.S. aircraft register, updated daily
Engines · piston (reciprocating) · data as of October 5, 2026

Pratt & Whitney R-985 series

1,594 aircraft on the U.S. register carry a Pratt & Whitney R-985 series engine, rated at about 450 horsepower. The Boeing A75 Stearman Kaydet is the model most often fitted with it (236 aircraft). The aircraft carrying it were built between 1929 and 2013.

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 R-985 series. FAA spelling: R-985 SERIES.

Fitted to model families

Boeing A75 Stearman Kaydet236Dehavilland DHC-2133Beechcraft D17106Boeing E75 Stearman Kaydet105Grumman Acft Eng Cor-Schweizer G-16498Howard Aircraft DGA-1572Dehavilland BEAVER DHC-2 MK.165Naval Aircraft Factory N353Consolidated Vultee BT-1353Beechcraft E1851Beechcraft C-4549Boeing B75 Stearman Kaydet48

Boeing A75 Stearman Kaydet · Dehavilland DHC-2 · Beechcraft D17 · Boeing E75 Stearman Kaydet · Grumman Acft Eng Cor-Schweizer G-164 · Howard Aircraft DGA-15 · Dehavilland BEAVER DHC-2 MK.1 · Naval Aircraft Factory N3 · Consolidated Vultee BT-13 · Beechcraft E18

Where they are owner's state

Alaska161Texas158California146Washington85Florida66Delaware62Minnesota49Oregon40Missouri39Colorado37

Kind of aircraft

Piston singles1,291 (81%)Piston twins262 (16%)Turboprops40 (3%)Helicopters1 (0.1%)

When the aircraft were built by decade

015631146662219201930194019501960197019801990200022010

What the FAA has certified, ordered and been told about the Pratt & Whitney R-985 series the component layer

No FAA order in the current files names this engine series. Operators and repair shops have filed 80 failure reports with the FAA since 1995, 23 of them in the last ten years.

Failure reports 80 since · what operators and shops told the FAA

024689500051015217

Parts most often reported as the reports name them

Cylinder8Engine6Bulkhead3Piston3Pump3Spar3Bearing2Bolt2Carburetor2Control Cable2

Latest reports

2017-10-06Bearing: failed
2017-07-20Drag Link: damaged
2016-07-20Pushrod: broken
2015-08-18Fitting: corroded
2015-04-03Balance Weight: loose

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-r-985-series.json · about the eFlight graph.

Aircraft newest certificates first · 1,594

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N48766 Boeing
A75N1(PT17)
Fixed-wing, single engine Co-owned owner
New York
Standard 2024-08-21 ValidFAA registration status code V: Valid registration. All codes
N7698 Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Individual owner
Louisiana
Restricted 2024-08-21 ValidFAA registration status code V: Valid registration. All codes
N1138V Broussard
BROUSSARD MH 1521
Fixed-wing, single engine Individual owner
Washington
Experimental 2024-08-19 ValidFAA registration status code V: Valid registration. All codes
N28378 Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine D & B Aircraft Leasing LLC
Anchorage, Alaska
Standard 2024-08-19 ValidFAA registration status code V: Valid registration. All codes
N954BS Dehavilland
DHC-2
Fixed-wing, single engine Black Arrow Leasing LLC
Englewood, Florida
Standard 2024-08-14 ValidFAA registration status code V: Valid registration. All codes
N9840Z Beech
C-45H
Fixed-wing, multi-engine Individual owner
Illinois
Standard 2024-08-06 ValidFAA registration status code V: Valid registration. All codes
N6704Q Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Haley Flying Service INC
Tracy, California
Restricted 2024-08-03 ValidFAA registration status code V: Valid registration. All codes
N36303 Schweizer Aircraft Corp
G-164B
Fixed-wing, single engine Raider Aviation LLC
Southampton, New Jersey
Restricted 2024-07-28 ValidFAA registration status code V: Valid registration. All codes
N5381U Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine Jb Leasing Company LLC
Kenai, Alaska
Restricted 2024-07-27 ValidFAA registration status code V: Valid registration. All codes
N59746 Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
Michigan
Restricted 2024-07-26 ValidFAA registration status code V: Valid registration. All codes
N1306N Boeing
E75N1
Fixed-wing, single engine Individual owner
Michigan
Restricted 2024-07-24 ValidFAA registration status code V: Valid registration. All codes
N50076 Boeing
A75N1
Fixed-wing, single engine Individual owner
Michigan
Restricted 2024-07-24 ValidFAA registration status code V: Valid registration. All codes
N450SH Boeing
B75N1
Fixed-wing, single engine Co-owned owner
California
Standard 2024-07-23 ValidFAA registration status code V: Valid registration. All codes
N6723Q Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Jk Sky Farm LLC
Adairville, Kentucky
Restricted 2024-07-18 ValidFAA registration status code V: Valid registration. All codes
N22423 Howard Aircraft
DGA-15P
Fixed-wing, single engine American Classic Aero LLC
Kalispell, Montana
Standard 2024-07-17 ValidFAA registration status code V: Valid registration. All codes
N30PL Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine Fins Fur & Feathers Flying LLC
King Salmon, Alaska
Restricted 2024-07-17 ValidFAA registration status code V: Valid registration. All codes
N1366V Boeing
A75
Fixed-wing, single engine Individual owner
Michigan
Standard 2024-07-16 ValidFAA registration status code V: Valid registration. All codes
N49259 Boeing
B75N1
Fixed-wing, single engine Southern Aerial Applicators INC
Statesboro, Georgia
Experimental 2024-07-15 ValidFAA registration status code V: Valid registration. All codes
N912KK Beech
C-45G
Fixed-wing, multi-engine Individual owner
Florida
Standard 2024-07-12 ValidFAA registration status code V: Valid registration. All codes
N4932 Dehavilland
BEAVER DHC-2
Fixed-wing, single engine Happy Mangos LLC
Anchorage, Alaska
Standard 2024-07-09 ValidFAA registration status code V: Valid registration. All codes
N1954J Dehavilland
BEAVER DHC-2
Fixed-wing, single engine Sourdough Air Service INC
Fairbanks, Alaska
Standard 2024-07-02 ValidFAA registration status code V: Valid registration. All codes
N4040W Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine Sourdough Air Service INC
Fairbanks, Alaska
Standard 2024-07-02 ValidFAA registration status code V: Valid registration. All codes
N2913B Beech
D18S
Fixed-wing, multi-engine W Air Collection INC Trustee
Wilmington, Delaware
Standard 2024-07-01 ValidFAA registration status code V: Valid registration. All codes
N790H Stearman Aircraft
C3-R
Fixed-wing, single engine Individual owner
Wisconsin
Restricted 2024-06-26 ValidFAA registration status code V: Valid registration. All codes
N58577 Consolidated Vultee
BT-13B (SNV-2)
Fixed-wing, single engine Walnut Ridge Army Flying School Museum INC DBA
Walnut Ridge, Arkansas
Standard 2024-06-18 ValidFAA registration status code V: Valid registration. All codes
N41BY Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
Texas
Multiple 2024-06-11 ValidFAA registration status code V: Valid registration. All codes
N73548 Beech
D18S
Fixed-wing, multi-engine Smith Salvage and Restoration Services LLC
New Berlin, Texas
Standard 2024-06-10 ValidFAA registration status code V: Valid registration. All codes
N88BN Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine International Air Services INC Trustee
Carson City, Nevada
Standard 2024-06-06 ValidFAA registration status code V: Valid registration. All codes
N1400Z Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine Alaskan Fish Pirate Outfitting LLC
Ketchikan, Alaska
Standard 2024-06-05 ValidFAA registration status code V: Valid registration. All codes
N75849 Boeing
E75
Fixed-wing, single engine American Airpower Heritage Flying Museum INC
Dallas, Texas
Standard 2024-06-05 ValidFAA registration status code V: Valid registration. All codes
N67555 Beech
D17S
Fixed-wing, single engine Krl LLC
Longview, Texas
Standard 2024-06-01 ValidFAA registration status code V: Valid registration. All codes
N44873 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Sky Lines Aerial Ads LLC
North Hampton, New Hampshire
Standard 2024-05-29 ValidFAA registration status code V: Valid registration. All codes
N48614 Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Red Willow Rescue INC
Cooperstown, North Dakota
Restricted 2024-05-17 ValidFAA registration status code V: Valid registration. All codes
N5050V Boeing
A75N1(PT17)
Fixed-wing, single engine Co-owned owner
Washington
Restricted 2024-05-17 ValidFAA registration status code V: Valid registration. All codes
N2880D Beech
C-45
Fixed-wing, multi-engine Tsi Holdco INC
Virginia Beach, Virginia
Standard 2024-05-15 ValidFAA registration status code V: Valid registration. All codes
N9LB Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine Interstellar Aviation LLC
Dover, Delaware
Standard 2024-05-07 ValidFAA registration status code V: Valid registration. All codes
N69766 Boeing
B75N1
Fixed-wing, single engine Individual owner
Indiana
Restricted 2024-05-04 ValidFAA registration status code V: Valid registration. All codes
N19482 Beech
D17S
Fixed-wing, single engine Pitts M12 LLC
Warwick, Rhode Island
Standard 2024-05-02 ValidFAA registration status code V: Valid registration. All codes
N444 Cunningham Hall
PT-6F
Fixed-wing, single engine Western Antique Aeroplane & Automobile Museum
Hood River, Oregon
Standard 2024-04-29 ValidFAA registration status code V: Valid registration. All codes
N1184V Beech
D17S
Fixed-wing, single engine Individual owner
Florida
Standard 2024-04-26 ValidFAA registration status code V: Valid registration. All codes
N6BA Beech
D18S
Fixed-wing, multi-engine Individual owner
Minnesota
Standard 2024-04-19 ValidFAA registration status code V: Valid registration. All codes
N4501N Boeing
B75N1
Fixed-wing, single engine Individual owner
Texas
Standard 2024-04-18 ValidFAA registration status code V: Valid registration. All codes
N4710V Beech
G17S
Fixed-wing, single engine Individual owner
Georgia
Standard 2024-04-15 ValidFAA registration status code V: Valid registration. All codes
N67496 Consolidated Vultee
BT-13A
Fixed-wing, single engine Florida Keys Flight Academy LLC
Marathon, Florida
Standard 2024-04-11 ValidFAA registration status code V: Valid registration. All codes
N80197 Beech
D18S
Fixed-wing, multi-engine Pgt Nuclear LLC
College Station, Texas
Standard 2024-04-11 ValidFAA registration status code V: Valid registration. All codes
N28259 Howard Aircraft
DGA-15P
Fixed-wing, single engine Individual owner
Oregon
Standard 2024-04-03 ValidFAA registration status code V: Valid registration. All codes
N66219 Boeing
A75N1(PT17)
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2024-03-26 ValidFAA registration status code V: Valid registration. All codes
N22KK Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine Kilo-Kilo LLC
Wausau, Wisconsin
Standard 2024-03-25 ValidFAA registration status code V: Valid registration. All codes
N631EF Boeing
E75N1
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2024-03-24 ValidFAA registration status code V: Valid registration. All codes
N58715 Boeing
A75N1(PT17)
Fixed-wing, single engine Co-owned owner
Idaho
Restricted 2024-03-19 ValidFAA registration status code V: Valid registration. All codes
N45323 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Co-owned owner
Oregon
Experimental 2024-03-18 ValidFAA registration status code V: Valid registration. All codes
N985GC Grice Hillery W
ALLEY CAT 1
Fixed-wing, single engine Omega 1 CORP
Middletown, Delaware
Experimental 2024-03-13 ValidFAA registration status code V: Valid registration. All codes
N21058 Dehavilland
DHC-2 MK. I(L20A)
Fixed-wing, single engine Hemingway Air LLC
Salem, Oregon
Standard 2024-03-11 ValidFAA registration status code V: Valid registration. All codes
N63701 Boeing
A75N1(PT17)
Fixed-wing, single engine Badger Aerolease LLC
Anchorage, Alaska
Standard 2024-03-11 ValidFAA registration status code V: Valid registration. All codes
N6495D Beech
C-45H
Fixed-wing, multi-engine Preserve Aviation History LLC
Cape Coral, Florida
Standard 2024-03-06 ValidFAA registration status code V: Valid registration. All codes
N3226H Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
California
Experimental 2024-03-05 ValidFAA registration status code V: Valid registration. All codes
N81GB Beech
C18S
Fixed-wing, multi-engine Carolina Aero Tech LLC
Hilton Head Island, South Carolina
Standard 2024-03-05 ValidFAA registration status code V: Valid registration. All codes
N338JM Dehavilland
DHC-2 MK. I(L20A)
Fixed-wing, single engine Individual owner
Alaska
Standard 2024-03-02 ValidFAA registration status code V: Valid registration. All codes
N123EF Dehavilland
DHC-2 MK. I(L20A)
Fixed-wing, single engine Rainbow River Lodge Aviation LLC
Sandy, Utah
Restricted 2024-03-01 ValidFAA registration status code V: Valid registration. All codes
N338TP Dehavilland
BEAVER DHC-2 MK.1
Fixed-wing, single engine Rainbow River Lodge Aviation LLC
Sandy, Utah
Standard 2024-03-01 ValidFAA registration status code V: Valid registration. All codes
N8422K Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Individual owner
Nebraska
Restricted 2024-02-25 ValidFAA registration status code V: Valid registration. All codes
N50149 Boeing
A75N1(PT17)
Fixed-wing, single engine Artemis Aviation Group LLC
Kalispell, Montana
Restricted 2024-02-14 ValidFAA registration status code V: Valid registration. All codes
N17643 Beech
D17S
Fixed-wing, single engine Co-owned owner
Montana
Standard 2024-02-08 ValidFAA registration status code V: Valid registration. All codes
N56882 Consolidated Vultee
BT-13B (SNV-2)
Fixed-wing, single engine Co-owned owner
Montana
Standard 2024-02-08 ValidFAA registration status code V: Valid registration. All codes
N62940 Boeing
A75N1(PT17)
Fixed-wing, single engine Gray Eagle Farms LLC
Southampton, New Jersey
Standard 2024-02-01 ValidFAA registration status code V: Valid registration. All codes
N114GH Dehavilland
BEAVER DHC-2
Fixed-wing, single engine Sea Air Ventures LLC
Anchorage, Alaska
Standard 2024-01-30 ValidFAA registration status code V: Valid registration. All codes
N161SB Boeing
A75N1(PT17)
Fixed-wing, single engine Mak Ventures LLC
Morriston, Florida
Standard 2024-01-28 ValidFAA registration status code V: Valid registration. All codes
N999WT Howard Aircraft
DGA-15P
Fixed-wing, single engine Pikes Peak Flyers LLP
Colorado Springs, Colorado
Standard 2024-01-27 ValidFAA registration status code V: Valid registration. All codes
N582 Beech
D17S
Fixed-wing, single engine 1941 Historical Aircraft Group DBA
Geneseo, New York
Standard 2024-01-20 ValidFAA registration status code V: Valid registration. All codes
N44638 Beech
D18S
Fixed-wing, multi-engine Vintage Aircraft INC
Stockton, California
Standard 2024-01-19 ValidFAA registration status code V: Valid registration. All codes
N4957 Dehavilland
BEAVER L-20A
Fixed-wing, single engine Talon Air Service INC
Soldotna, Alaska
Multiple 2024-01-18 ValidFAA registration status code V: Valid registration. All codes
N3163L Air Tractor Inc
AT-250
Fixed-wing, single engine Individual owner
Texas
Restricted 2024-01-01 ValidFAA registration status code V: Valid registration. All codes
N6548 Grumman
G-164A
Fixed-wing, single engine Individual owner
Minnesota
Restricted 2023-12-23 ValidFAA registration status code V: Valid registration. All codes
N58477 Boeing
A75N1(PT17)
Fixed-wing, single engine Fleishmans Flying Service LLC
Southbury, Connecticut
Standard 2023-12-18 ValidFAA registration status code V: Valid registration. All codes
N246MH Avions Max Holste
MH 1521 BROUSSARD
Fixed-wing, single engine N246Mh LLC
Grants Pass, Oregon
Experimental 2023-12-16 ValidFAA registration status code V: Valid registration. All codes
N10349 Dehavilland
DHC-2 MK. I(L20A)
Fixed-wing, single engine Individual owner
Mississippi
Multiple 2023-12-13 ValidFAA registration status code V: Valid registration. All codes
N109WA Boeing
E75
Fixed-wing, single engine Individual owner
Texas
Restricted 2023-12-12 ValidFAA registration status code V: Valid registration. All codes
N997DH Dehavilland
BEAVER DHC-2
Fixed-wing, single engine Fernweh Aviation LLC
Bandon, Oregon
Standard 2023-12-04 ValidFAA registration status code V: Valid registration. All codes
N38BW Beech
H-18
Fixed-wing, multi-engine Red Cloud Aviation LLC
Shawnee, Oklahoma
Standard 2023-12-02 ValidFAA registration status code V: Valid registration. All codes
N48659 Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Mcclung Aerial Spraying INC
Big Springs, Nebraska
Restricted 2023-11-29 ValidFAA registration status code V: Valid registration. All codes
N195PW Cessna
190
Fixed-wing, single engine Individual owner
Montana
Standard 2023-11-18 ValidFAA registration status code V: Valid registration. All codes
N741RS Dehavilland
DHC-2
Fixed-wing, single engine Rose Donald D
Wasilla, Alaska
Standard 2023-11-18 ValidFAA registration status code V: Valid registration. All codes
N48547 Grumman Acft Eng Cor-Schweizer
G-164B
Fixed-wing, single engine Magnum Aviation LLC
Goff, Kansas
Restricted 2023-11-08 ValidFAA registration status code V: Valid registration. All codes
N9832H Howard Aircraft
DGA-15P
Fixed-wing, single engine Individual owner
California
Standard 2023-11-02 ValidFAA registration status code V: Valid registration. All codes
N57005 Boeing
A75N1(PT17)
Fixed-wing, single engine Individual owner
California
Restricted 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N9370H Beech
D17S
Fixed-wing, single engine Rath Aviation Services LLC
Spearfish, South Dakota
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N67AK Dehavilland
DHC-2 MK. I(L20A)
Fixed-wing, single engine Co-owned owner
Alaska
Standard 2023-10-28 ValidFAA registration status code V: Valid registration. All codes
N45239 Naval Aircraft Factory
N3N-3
Fixed-wing, single engine Individual owner
Oregon
Restricted 2023-10-24 ValidFAA registration status code V: Valid registration. All codes
N671KH Dehavilland
DHC-2 MK 1
Fixed-wing, single engine
Standard 2023-10-16 ValidFAA registration status code V: Valid registration. All codes
N54896 Boeing
A75L300
Fixed-wing, single engine Military Aviation Museum
Virginia Beach, Virginia
Standard 2023-10-15 ValidFAA registration status code V: Valid registration. All codes
N14PW Beech
C-45H
Fixed-wing, multi-engine Audemus INC
Newport News, Virginia
Standard 2023-10-13 ValidFAA registration status code V: Valid registration. All codes
N6000M Beech
H-18
Fixed-wing, multi-engine Valiair Limited CO Trustee
Casper, Wyoming
Standard 2023-10-12 ValidFAA registration status code V: Valid registration. All codes
N2803D Boeing
B75N1
Fixed-wing, single engine Co-owned owner
Idaho
Standard 2023-10-10 ValidFAA registration status code V: Valid registration. All codes
N8934M Beech
H-18
Fixed-wing, multi-engine Lance Toland LTD
Griffin, Georgia
Standard 2023-10-10 ValidFAA registration status code V: Valid registration. All codes
N61356 Boeing
75
Fixed-wing, single engine Individual owner
California
Restricted 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N6472 Boeing
B75
Fixed-wing, single engine Co-owned owner
Idaho
Restricted 2023-10-08 ValidFAA registration status code V: Valid registration. All codes
N7694C Beech
C-45G
Fixed-wing, multi-engine Middle Keys Experimental Aircraft Association INC
Marathon Shores, Florida
Standard 2023-09-25 ValidFAA registration status code V: Valid registration. All codes
N4750V Boeing
A75L3
Fixed-wing, single engine Pmj Holdings LLC
Cleveland, Mississippi
Standard 2023-09-19 ValidFAA registration status code V: Valid registration. All codes
N4638N Howard Aircraft
DGA-15P
Fixed-wing, single engine White Bear Dga LLC
Helena, Montana
Standard 2023-09-17 ValidFAA registration status code V: Valid registration. All codes
N84PG Grumman Acft Eng Cor-Schweizer
G-164A
Fixed-wing, single engine Spot-Air LLC
Burlington, Texas
Restricted 2023-09-13 ValidFAA registration status code V: Valid registration. All codes
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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.