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

Lycoming IO-360-L2A

2,634 aircraft on the U.S. register carry a Lycoming IO-360-L2A engine, rated at about 180 horsepower. The Cessna 172 Skyhawk is the model most often fitted with it (2,621 aircraft). The aircraft carrying it were built between 1999 and 2026.

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 Lycoming IO-360-L2A. FAA spelling: IO-360-L2A.

Fitted to model families

Cessna 172 Skyhawk2,621Amador Frank Donny AVID ACFT MAGNUM1Avila Edward V RV-91Charles A Garton VANS RV-141Darley Vern VANS RV-6A1Dimeo Robert RV81Hatler Donald W GLASTAR1Herr Francis B RV-7A1Huisman Wim J VELOCITY 173 FIXED1Jeremy D Mumford DR-1071Konrad Gary T VANS RV-71Kurtz Garold RV41

Cessna 172 Skyhawk · Amador Frank Donny AVID ACFT MAGNUM · Avila Edward V RV-9 · Charles A Garton VANS RV-14 · Darley Vern VANS RV-6A · Dimeo Robert RV8 · Hatler Donald W GLASTAR · Herr Francis B RV-7A · Huisman Wim J VELOCITY 173 FIXED · Jeremy D Mumford DR-107

Where they are owner's state

Delaware505Florida375California190Alabama132Texas127Arizona117Louisiana110Kansas89Illinois84Oregon78

Kind of aircraft

Piston singles2,634 (100%)

When the aircraft were built by decade

02785558321,1102719901,110200054820108952020

What the FAA has certified, ordered and been told about the Lycoming IO-360-L2A the component layer

The design is held under 1 type certificate (1E10, held by Lycoming Engines). The FAA has issued 26 airworthiness directives (orders that owners must comply with) that name this engine series. Operators and repair shops have filed 992 failure reports with the FAA since 1995, 219 of them in the last ten years.

FAA orders 26 airworthiness directives · newest first

2026-04-082026-04-11 · Engine (Reciprocating) · engine
2024-12-052024-21-02 · Engine (Reciprocating) · engine
2021-01-152020-25-12 · Reciprocating Engine Power Section · engine
2017-08-152017-16-11 · Reciprocating Engine Power Section · engine
2015-11-032015-19-07 · Fuel injector fuel lines · engine
2012-10-242012-19-01 · Crankshafts · engine

All orders naming the Lycoming IO-360-L2A

Failure reports 992 since · what operators and shops told the FAA

0224467899803081318232326

Parts most often reported as the reports name them

Control Cable83Impulse Coupling43Engine40Fuel Control38Servo34Bulkhead33Pushrod33Starter33Magneto31Cylinder30

Latest reports

2026-09-21Propeller: misinstalled
2026-09-05Seal: failed
2026-08-04Pump: failed
2026-06-15Cylinder: cracked
2026-05-15Shutoff Valve: leaking

Certificates and bulletins

1E10Type certificate held by Lycoming Engines · 89 models listed · revised May 4, 2020

Safety bulletins 6 · advice, not orders

2019-05-02NE-19-08 · Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders
2016-05-13NE-08-32R1 · Propeller Governor Idler Gear Shaft Set Screw
2014-03-24NE-14-13 · Reciprocating Engine - Cylinder Mounting Studs
2012-11-21NE-13-06 · Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320,...
2008-09-10NE-06-32R1 · Reciprocating Engine - Crankshaft

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/lycoming-io-360-l2a.json · about the eFlight graph.

Aircraft newest certificates first · 2,634

Tail no.Maker and modelGroupOwner and baseCertificateRegisteredStatus
N719LU Textron Aviation Inc
172S
Fixed-wing, single engine Liberty University INC
Lynchburg, Virginia
Standard 2023-12-13 ValidFAA registration status code V: Valid registration. All codes
N720LU Textron Aviation Inc
172S
Fixed-wing, single engine Liberty University INC
Lynchburg, Virginia
Standard 2023-12-13 ValidFAA registration status code V: Valid registration. All codes
N760LA Textron Aviation Inc
172S
Fixed-wing, single engine Dna Flight LLC
Hillsboro, Oregon
Standard 2023-12-13 ValidFAA registration status code V: Valid registration. All codes
N1472P Cessna
172S
Fixed-wing, single engine Flight School of Texas LLC
Wilmington, Delaware
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N236TF Textron Aviation Inc
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N24756 Cessna
172S
Fixed-wing, single engine Wings Over Texas Holdings LLC
Denton, Texas
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N522SD Textron Aviation Inc
172S
Fixed-wing, single engine South Dakota State University
Brookings, South Dakota
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N645EP Cessna
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N647CR Cessna
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N652EP Textron Aviation Inc
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-12-11 ValidFAA registration status code V: Valid registration. All codes
N277GT Cessna
172S
Fixed-wing, single engine Svetfur Aviation LLC
Camden, South Carolina
Standard 2023-12-09 ValidFAA registration status code V: Valid registration. All codes
N178GW Textron Aviation Inc
172S
Fixed-wing, single engine Bravo Aircraft LLC
Ooltewah, Tennessee
Standard 2023-12-08 ValidFAA registration status code V: Valid registration. All codes
N811CT Textron Aviation Inc
172S
Fixed-wing, single engine Bravo Aircraft LLC
Ooltewah, Tennessee
Standard 2023-12-08 ValidFAA registration status code V: Valid registration. All codes
N916QT Textron Aviation Inc
172S
Fixed-wing, single engine Elizabeth City State University
Elizabeth City, North Carolina
Standard 2023-12-08 ValidFAA registration status code V: Valid registration. All codes
N745B Cessna
172S
Fixed-wing, single engine Planelease LLC
Venice, California
Standard 2023-12-06 ValidFAA registration status code V: Valid registration. All codes
N53039 Cessna
172S
Fixed-wing, single engine Laurel Highlands Aeronautical Academy
Latrobe, Pennsylvania
Standard 2023-12-05 ValidFAA registration status code V: Valid registration. All codes
N10033 Cessna
172S
Fixed-wing, single engine Thunderfighter LLC
Englewood, Colorado
Standard 2023-12-02 ValidFAA registration status code V: Valid registration. All codes
N285TH Textron Aviation Inc
172S
Fixed-wing, single engine Atp Aircraft 2 LLC
Wilmington, Delaware
Standard 2023-12-02 ValidFAA registration status code V: Valid registration. All codes
N300KX Cessna
172S
Fixed-wing, single engine Atp Aircraft 2 LLC
Wilmington, Delaware
Standard 2023-11-30 ValidFAA registration status code V: Valid registration. All codes
N975TH Textron Aviation Inc
172S
Fixed-wing, single engine Anson Air LLC
Sugar Land, Texas
Standard 2023-11-29 ValidFAA registration status code V: Valid registration. All codes
N531ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-11-25 ValidFAA registration status code V: Valid registration. All codes
N627ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-11-25 ValidFAA registration status code V: Valid registration. All codes
N5303J Cessna
172S
Fixed-wing, single engine Gulf Coast Aviation LLC
New Orleans, Louisiana
Standard 2023-11-24 ValidFAA registration status code V: Valid registration. All codes
N1210K Textron Aviation Inc
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-11-22 ValidFAA registration status code V: Valid registration. All codes
N84RJ Textron Aviation Inc
172S
Fixed-wing, single engine M & G Aircraft Management LLC
Aurora, Oregon
Standard 2023-11-21 ValidFAA registration status code V: Valid registration. All codes
N810KK Textron Aviation Inc
172S
Fixed-wing, single engine Kenzy 2023 LLC
Aurora, Oregon
Standard 2023-11-20 ValidFAA registration status code V: Valid registration. All codes
N522VS Textron Aviation Inc
172S
Fixed-wing, single engine Arq Aviation LLC
Wilmington, North Carolina
Standard 2023-11-18 ValidFAA registration status code V: Valid registration. All codes
N1280K Textron Aviation Inc
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-11-15 ValidFAA registration status code V: Valid registration. All codes
N404DC Textron Aviation Inc
172S
Fixed-wing, single engine N404Dc LLC
Kennesaw, Georgia
Standard 2023-11-14 ValidFAA registration status code V: Valid registration. All codes
N972TH Textron Aviation Inc
172S
Fixed-wing, single engine Utah State University
Logan, Utah
Standard 2023-11-07 ValidFAA registration status code V: Valid registration. All codes
N234SH Cessna
172S
Fixed-wing, single engine Atp Aircraft 2 LLC
Wilmington, Delaware
Standard 2023-11-05 ValidFAA registration status code V: Valid registration. All codes
N250YZ Cessna
172S
Fixed-wing, single engine Atp Aircraft 2 LLC
Wilmington, Delaware
Standard 2023-11-05 ValidFAA registration status code V: Valid registration. All codes
N3537J Cessna
172S
Fixed-wing, single engine Atp Aircraft 2 LLC
Wilmington, Delaware
Standard 2023-11-05 ValidFAA registration status code V: Valid registration. All codes
N5961J Cessna
172S
Fixed-wing, single engine Atp Aircraft 2 LLC
Wilmington, Delaware
Standard 2023-11-05 ValidFAA registration status code V: Valid registration. All codes
N5011U Cessna
172S
Fixed-wing, single engine Atp Aircraft 2 LLC
Wilmington, Delaware
Standard 2023-11-04 ValidFAA registration status code V: Valid registration. All codes
N216LT Cessna
172S
Fixed-wing, single engine Wingsleasing LLC
Wichita, Kansas
Standard 2023-11-01 ValidFAA registration status code V: Valid registration. All codes
N499DR Cessna
172S
Fixed-wing, single engine Wingsleasing LLC
Wichita, Kansas
Standard 2023-11-01 ValidFAA registration status code V: Valid registration. All codes
N561SA Cessna
172S
Fixed-wing, single engine Wingsleasing LLC
Wichita, Kansas
Standard 2023-11-01 ValidFAA registration status code V: Valid registration. All codes
N209JS Textron Aviation Inc
172S
Fixed-wing, single engine Crystal Coast Training LLC
Kinston, North Carolina
Standard 2023-10-31 ValidFAA registration status code V: Valid registration. All codes
N249JS Textron Aviation Inc
172S
Fixed-wing, single engine Crystal Coast Training LLC
Kinston, North Carolina
Standard 2023-10-31 ValidFAA registration status code V: Valid registration. All codes
N259JS Textron Aviation Inc
172S
Fixed-wing, single engine Crystal Coast Training LLC
Kinston, North Carolina
Standard 2023-10-31 ValidFAA registration status code V: Valid registration. All codes
N799TH Textron Aviation Inc
172S
Fixed-wing, single engine Wingsleasing LLC
Wichita, Kansas
Standard 2023-10-31 ValidFAA registration status code V: Valid registration. All codes
N303EH Textron Aviation Inc
172S
Fixed-wing, single engine Navigation Leasing LLC
Keizer, Oregon
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N513ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N620ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N721ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-10-30 ValidFAA registration status code V: Valid registration. All codes
N1260K Textron Aviation Inc
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-10-29 ValidFAA registration status code V: Valid registration. All codes
N1270K Textron Aviation Inc
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-10-29 ValidFAA registration status code V: Valid registration. All codes
N243HA Cessna
172S
Fixed-wing, single engine Atp Aircraft 8 LLC
Wilmington, Delaware
Standard 2023-10-29 ValidFAA registration status code V: Valid registration. All codes
N243RL Cessna
172S
Fixed-wing, single engine Atp Aircraft 8 LLC
Wilmington, Delaware
Standard 2023-10-29 ValidFAA registration status code V: Valid registration. All codes
N507DR Cessna
172S
Fixed-wing, single engine Ortega Aviation Services LLC
Wichita, Kansas
Standard 2023-10-24 ValidFAA registration status code V: Valid registration. All codes
N604TT Cessna
172S
Fixed-wing, single engine University of Alaska Anchorage
Anchorage, Alaska
Standard 2023-10-23 ValidFAA registration status code V: Valid registration. All codes
N281EA Textron Aviation Inc
172S
Fixed-wing, single engine Elevation Air Capital LLC
Janesville, Wisconsin
Standard 2023-10-22 ValidFAA registration status code V: Valid registration. All codes
N132PF Cessna
172R
Fixed-wing, single engine Above and Beyond Aviation LLC
Austin, Texas
Standard 2023-10-17 ValidFAA registration status code V: Valid registration. All codes
N422LS Cessna
172S
Fixed-wing, single engine Skyknight LLC
Greeneville, Tennessee
Standard 2023-10-17 ValidFAA registration status code V: Valid registration. All codes
N618JM Cessna
172S
Fixed-wing, single engine Skyknight LLC
Greeneville, Tennessee
Standard 2023-10-17 ValidFAA registration status code V: Valid registration. All codes
N23104 Textron Aviation Inc
172S
Fixed-wing, single engine Atp Aircraft 1 LLC
Wilmington, Delaware
Standard 2023-10-14 ValidFAA registration status code V: Valid registration. All codes
N1277W Cessna
172S
Fixed-wing, single engine Rush Aviation Rentals INC
Meridian, Idaho
Standard 2023-10-12 ValidFAA registration status code V: Valid registration. All codes
N369DA Textron Aviation Inc
172S
Fixed-wing, single engine Individual owner
Washington
Standard 2023-10-11 ValidFAA registration status code V: Valid registration. All codes
N1600U Cessna
172S
Fixed-wing, single engine Osprey Holding Company LLC
Foley, Alabama
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N964ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Daytona Beach, Florida
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N965ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Daytona Beach, Florida
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N973ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Daytona Beach, Florida
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N979ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Daytona Beach, Florida
Standard 2023-10-09 ValidFAA registration status code V: Valid registration. All codes
N125TW Textron Aviation Inc
172S
Fixed-wing, single engine Individual owner
Arizona
Standard 2023-10-08 ValidFAA registration status code V: Valid registration. All codes
N295PL Textron Aviation Inc
172S
Fixed-wing, single engine Aerospring Leasing LLC DBA
Wasilla, Alaska
Standard 2023-10-07 ValidFAA registration status code V: Valid registration. All codes
N408LB Cessna
172S
Fixed-wing, single engine M & G Aircraft Management LLC
Englewood, Colorado
Standard 2023-10-02 ValidFAA registration status code V: Valid registration. All codes
N823EP Textron Aviation Inc
172S
Fixed-wing, single engine Epic Aviation INC
New Smyrna Beach, Florida
Standard 2023-09-29 ValidFAA registration status code V: Valid registration. All codes
N923EP Textron Aviation Inc
172S
Fixed-wing, single engine Epic Aviation INC
New Smyrna Beach, Florida
Standard 2023-09-29 ValidFAA registration status code V: Valid registration. All codes
N1004E Cessna
172S
Fixed-wing, single engine Unison Air LLC
Palo Alto, California
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N182NW Cessna
172S
Fixed-wing, single engine Northwestern Michigan College
Traverse City, Michigan
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N726ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N728ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N730ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical Univeristy INC
Prescott, Arizona
Standard 2023-09-26 ValidFAA registration status code V: Valid registration. All codes
N5169E Cessna
172S
Fixed-wing, single engine Venbro Holdings LLC
Brooklyn, New York
Standard 2023-09-22 ValidFAA registration status code V: Valid registration. All codes
N805AA Cessna
172S
Fixed-wing, single engine Bradley Air Investments LLC
New Ulm, Texas
Standard 2023-09-22 ValidFAA registration status code V: Valid registration. All codes
N787GL Cessna
172S
Fixed-wing, single engine Tfa Holding CORP
Daytona Beach, Florida
Standard 2023-09-20 ValidFAA registration status code V: Valid registration. All codes
N169PX Cessna
172R
Fixed-wing, single engine Xing Kong Aviation Service LLC
Atwater, California
Standard 2023-09-19 ValidFAA registration status code V: Valid registration. All codes
N669TW Cessna
172S
Fixed-wing, single engine Almanor Express LLC
Palo Alto, California
Standard 2023-09-18 ValidFAA registration status code V: Valid registration. All codes
N392ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N923ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N937ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N944ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-16 ValidFAA registration status code V: Valid registration. All codes
N957ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-15 ValidFAA registration status code V: Valid registration. All codes
N958ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-15 ValidFAA registration status code V: Valid registration. All codes
N718ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-09-12 ValidFAA registration status code V: Valid registration. All codes
N724ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University INC
Prescott, Arizona
Standard 2023-09-12 ValidFAA registration status code V: Valid registration. All codes
N999HE Cessna
172S
Fixed-wing, single engine Pinnacle Aviation Services INC
Encinitas, California
Standard 2023-09-11 ValidFAA registration status code V: Valid registration. All codes
N934ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-10 ValidFAA registration status code V: Valid registration. All codes
N963ER Textron Aviation Inc
172S
Fixed-wing, single engine Embry-Riddle Aeronautical University
Daytona Beach, Florida
Standard 2023-09-10 ValidFAA registration status code V: Valid registration. All codes
N978FA Cessna
172S
Fixed-wing, single engine Sky Training LLC
West Milford, New Jersey
Standard 2023-09-08 ValidFAA registration status code V: Valid registration. All codes
N621PM Cessna
172S
Fixed-wing, single engine Atp Aircraft 1 LLC
Wilmington, Delaware
Standard 2023-09-04 ValidFAA registration status code V: Valid registration. All codes
N686PX Textron Aviation Inc
172S
Fixed-wing, single engine Textron Aviation Employees Flying Club INC
Wichita, Kansas
Standard 2023-09-04 ValidFAA registration status code V: Valid registration. All codes
N767VK Textron Aviation Inc
172S
Fixed-wing, single engine Textron Aviation Employees Flying Club INC
Wichita, Kansas
Standard 2023-09-04 ValidFAA registration status code V: Valid registration. All codes
N294PL Textron Aviation Inc
172S
Fixed-wing, single engine Aerospring Leasing LLC DBA
Wasilla, Alaska
Standard 2023-09-01 ValidFAA registration status code V: Valid registration. All codes
N634CR Cessna
172S
Fixed-wing, single engine Christiansen Aviation LLC
Wilmington, Delaware
Standard 2023-09-01 ValidFAA registration status code V: Valid registration. All codes
N580ET Textron Aviation Inc
172S
Fixed-wing, single engine Trede 2023 LLC
Castle Rock, Colorado
Standard 2023-08-31 ValidFAA registration status code V: Valid registration. All codes
N703BK Textron Aviation Inc
172S
Fixed-wing, single engine Kenzy 2023 LLC
Castle Rock, Colorado
Standard 2023-08-31 ValidFAA registration status code V: Valid registration. All codes
N24108 Cessna
172S
Fixed-wing, single engine Svetfur Aviation LLC
Camden, South Carolina
Standard 2023-08-30 ValidFAA registration status code V: Valid registration. All codes
N315SF Textron Aviation Inc
172S
Fixed-wing, single engine Snohomish Flying Service INC
Snohomish, Washington
Standard 2023-08-30 ValidFAA registration status code V: Valid registration. All codes
Previous Page 9 of 27 Next

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.