Fixed Wing Multi Engine · LYCOMING IO-320 SERIES · as of Sep 21, 2026
Resources Manufacturer · Piper Aircraft ↗ Service Bulletins ↗ Engine · Lycoming Engines ↗ Search FAA TCDS ↗ Type Club · The Piper Owner Society ↗ Owner Forum · Piper Forum ↗
Distribution · currently registered
By state (top 10)
- FL 10.4% 8
- DE 7.8% 6
- VA 7.8% 6
- GA 6.5% 5
- IL 6.5% 5
- TN 3.9% 3
- WY 3.9% 3
- CO 2.6% 2
- MD 2.6% 2
- IN 2.6% 2
+25 more states
By decade of manufacture
- 1960s 4.9% 4
- 1970s 76.8% 63
- 1980s 1.2% 1
- Unknown 17.1% 14
NTSB records
10 event(s) on file. Showing the most recent 10.
- Oct 29, 2023 N289WW Highgate, Vermont NTSB docket ↗
- Sep 9, 2022 N8925Y Caldwell, New Jersey NTSB docket ↗
- Dec 13, 2003 N230SW Kissimmee, Florida NTSB docket ↗
- Jul 1, 1986 N2428P LINCOLN, Rhode Island NTSB docket ↗
- Aug 14, 1978 N40439 EDGERTON, Wyoming Fatal NTSB docket ↗
- Oct 22, 1977 N40439 GILLETTE, Wyoming NTSB docket ↗
- Apr 24, 1976 N8895Y FAIRFIELD, Texas NTSB docket ↗
- Apr 23, 1976 N8884Y MITCHELL, South Dakota Serious NTSB docket ↗
- Apr 27, 1974 N8844Y TANGIER ISL, Virginia NTSB docket ↗
- Sep 22, 1971 N8898Y AMBLER, Pennsylvania NTSB docket ↗
Airworthiness directives
49 directive(s) on file. Showing the most recent 25 · 24 more in the Federal Register.
- Apr 17, 2024
Airworthiness Directives; Various Airplanes
The FAA is revising a notice of proposed rulemaking (NPRM) that applied to various airplanes modified with a certain configuration of the Garmin GFC 500 Autopilot System installed per Supplemental Type Certificate (STC) No. SA01866WI. This action revises the NPRM by removing airplane models from and adding airplane mo…
- Jun 12, 2023
Airworthiness Directives; Various Airplanes, Helicopters, and Engines
The FAA is adopting a new airworthiness directive (AD) for turbocharged, reciprocating engine-powered airplanes and helicopters and turbocharged, reciprocating engines with a certain v-band coupling installed. This AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at the tailpipe to t…
- Aug 17, 2020
Airworthiness Directives; Aspen Avionics, Inc.
The FAA is correcting an airworthiness directive (AD) that published in the Federal Register. The AD applies to certain Aspen Avionics, Inc., Evolution Flight Display (EFD) EFD1000 Emergency Backup Display, EFD1000 Multi-Function Display, and EFD1000 Primary Flight Display systems installed on various airplanes. As pu…
- Jul 31, 2020
Airworthiness Directives; Aspen Avionics, Inc.
The FAA is adopting a new airworthiness directive (AD) for certain Aspen Avionics, Inc., Evolution Flight Display (EFD) EFD1000 Emergency Backup Display, EFD1000 Multi-Function Display, and EFD1000 Primary Flight Display systems installed on various airplanes. This AD imposes operating restrictions on these display sy…
- Jan 23, 2019
Airworthiness Directives; Aspen Avionics, Inc., Evolution Flight Display Units
We are adopting a new airworthiness directive (AD) for certain Aspen Avionics, Inc. (Aspen), Evolution Flight Display (EFD) EFD1000 Primary Flight Display (PFD), EFD1000 Multi-Function Display (MFD), EFD1000 Emergency Backup Display (EBD), and EFD500 MFD units installed on various aircraft. This AD requires disabling…
- Dec 8, 2015
Airworthiness Directives; Piper Aircraft, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. Models PA-23-250, PA-24-250, PA-24-260, PA-24-400, PA-30, PA-31, PA-31-300, PA-31P, PA-39, and PA-E23-250 airplanes. This AD was prompted by an accident caused by fuel starvation where the shape of the wing fuel tanks and fuel below a…
- Mar 23, 2015
Airworthiness Directives; Piper Aircraft, Inc. Airplanes
We propose to adopt a new airworthiness directive (AD) for certain Piper Aircraft, Inc. Models PA-23-250, PA-24-250, PA-24-260, PA-24-400, PA-30, PA-31, PA-31-300, PA-31P, PA-39, and PA-E23-250 airplanes. This proposed AD was prompted by an accident caused by fuel starvation where the shape of the wing fuel tanks and…
- Sep 17, 2012
Airworthiness Directives; Piper Aircraft, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Piper Aircraft, Inc. Models PA-24, PA-24-250, and PA-24-260 airplanes. This AD was prompted by reports of cracks developing in the stabilator horn assembly. This AD requires replacement of the stabilator horn assembly and/or repetitive inspections of the s…
- Dec 21, 2011
Airworthiness Directives; Lycoming Engines, Fuel Injected Reciprocating Engines
We are superseding an existing airworthiness directive (AD) for certain fuel injected reciprocating engines manufactured by Lycoming Engines. That AD currently requires inspection, replacement if necessary, and proper clamping of externally mounted fuel injector fuel lines. That AD also states that it is not applicabl…
- Jun 22, 2011
Airworthiness Directives; Piper Aircraft, Inc. Models PA-24, PA-24-250, and PA-24-260 Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD would require either replacement of the stabilator horn assembly or repetitive inspection of the stabilator horn assembly for corrosion or cracks with replacement of the stabilator horn assembly if any corrosion or c…
- Feb 15, 2011
Airworthiness Directives; Lycoming Engines, Fuel Injected Reciprocating Engines
We propose to supersede an existing airworthiness directive (AD) that applies to certain fuel injected reciprocating engines manufactured by Lycoming Engines. The existing AD currently requires inspection, replacement if necessary, and proper clamping of externally mounted fuel injector fuel lines. That AD also exempt…
- Dec 31, 2009
Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies
The FAA is superseding an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan," installed. That AD current…
- Jul 30, 2009
Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies
The FAA proposes to supersede an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan," installed. That AD…
- Sep 15, 2008
Airworthiness Directives; Engine Components, Inc. (ECi) Reciprocating Engine Cylinder Assemblies
The FAA is adopting a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components, Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan", installed. This AD requires initial…
- Jul 10, 2008
Airworthiness Directives; Lycoming Engines, Fuel Injected Reciprocating Engines
The FAA is superseding an existing airworthiness directive (AD) for certain fuel injected reciprocating engines manufactured by Lycoming Engines. That AD currently requires inspection, and replacement if necessary, of externally mounted fuel injector fuel lines. This AD requires the same actions but adds additional en…
- May 19, 2008
Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies
The FAA proposes to adopt a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Titan", installed. This proposed AD wo…
- Jan 2, 2008
Airworthiness Directives; Lycoming Engines, Fuel Injected Reciprocating Engines
The FAA proposes to supersede an existing airworthiness directive (AD) for certain fuel injected reciprocating engines manufactured by Lycoming Engines. That AD currently requires inspection, and replacement if necessary, of externally mounted fuel injector fuel lines. This proposed AD would require the same actions b…
- Dec 26, 2007
Airworthiness Directives; Hartzell Propeller Inc. Compact Series Propellers
The FAA is superseding an existing airworthiness directive (AD) for all Hartzell Propeller Inc. models ( )HC-( )( )Y( )-( )( )( ) compact series, constant speed or feathering propellers with Hartzell manufactured "Y" shank aluminum blades. That AD currently requires initial blade inspections, with no repetitive inspec…
- Apr 2, 2007
Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W
The FAA is revising an existing airworthiness directive (AD) for certain SAP cylinder assemblies installed in Teledyne Continental Motors (TCM) 470, 520, and 550 series reciprocating engines, Lycoming Engines (LE) 320, 360, and 540 series reciprocating engines, Avco Lycoming (AL) 540 series reciprocating engines, and…
- Feb 23, 2007
Airworthiness Directives; Superior Air Parts, Inc. (SAP), Cast Cylinder Assemblies Part Numbers Series: SA47000L, SA47000S, SA52000, SA55000, SL32000W, SL32000WH, SL32006W, SL36000TW, SL36000W, and SL36006W
The FAA is adopting a new airworthiness directive (AD) for certain SAP cast cylinder assemblies installed in Teledyne Continental Motors (TCM) 470, 520, and 550 series reciprocating engines, Lycoming Engines (LE) 320, 360, and 540 series reciprocating engines, Avco Lycoming (AL) 540 series reciprocating engines, and S…
- Aug 14, 2006
Airworthiness Directives; Hartzell Propeller Inc. Compact Series Propellers
The FAA proposes to supersede an existing airworthiness directive (AD) for Hartzell Propeller Inc. models ( )HC-( )( )Y( )-( )( )( ) compact series, constant speed or feathering propellers with Hartzell manufactured "Y" shank aluminum blades. That AD currently requires initial blade inspections, with no repetitive ins…
- Jun 6, 2006
Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies
The FAA is superseding an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. That AD c…
- Feb 24, 2006
Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies
The FAA proposes to supersede an existing airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. Th…
- Feb 7, 2006
Airworthiness Directives; Aero Advantage ADV200 Series (Part Numbers ADV211CC and ADV212CW) Vacuum Pumps
The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Aero Advantage ADV200 series (part numbers ADV211CC and ADV212CW) vacuum pumps installed under supplemental type certificate number SA10126SC, through field approval, or other methods. This AD requires you to remove from service any affe…
- Dec 27, 2005
Airworthiness Directives; Engine Components Inc. (ECi) Reciprocating Engine Cylinder Assemblies
The FAA is adopting a new airworthiness directive (AD) for Lycoming Engines (formerly Textron Lycoming) models 320, 360, and 540 series, "Parallel Valve" reciprocating engines, with certain Engine Components Inc. (ECi) cylinder assemblies, part number (P/N) AEL65102 series "Classic Cast", installed. This AD requires r…
Type certificate data sheets · 1 match in the FAA catalog
- A1EA The New Piper Aircraft Inc. Historical Rev 15 · 10/01/1997
Models: PA-30, PA-40, PA-39
Supplemental type certificates · 395 on file
- 03/03/2026 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 07/24/2025 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 07/21/2025 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 04/01/2025 STC SA04046CH PAGE 2 Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500) Acron Aviation Inc. DRS ↗
- 04/01/2025 STC SA02738CH (PAGE 2) Installation of L-3 Communications Avionics Systems Acron Aviation Inc. DRS ↗
- 01/14/2025 STC SA00037WI Installation of B & C Specialty Products BC100-1 battery. B & C Specialty Products Inc DRS ↗
- 11/22/2024 STC SA04378CH Installation of an engine modified per STC SE04349CH SureFly Partners Ltd. DRS ↗
- 11/20/2024 STC SA01120SE Installation of Door Steward. Mountain View Aviation LLC DRS ↗
- 08/27/2024 STC SA04837NY Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights AeroLED's Holdings, LLC DRS ↗
- 08/27/2024 STC SA02386AK Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems AeroLED's Holding LLC DRS ↗
- 08/21/2024 STC SA01757WI To allow the use of UL91 or UL94 (minimum) grade aviation fuel Swift Fuels LLC DRS ↗
- 07/29/2024 STC SA01866WI Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection Garmin International Inc. DRS ↗
- 06/20/2024 STC SA00037WI Installation of B & C Specialty Products BC100-1 battery. B & C Specialty Products Inc DRS ↗
- 06/18/2024 STC SA04568CH Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder func… uAvionix Corporation DRS ↗
- 06/13/2024 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 06/13/2024 STC SA02511SE (2 OF 2) Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 06/13/2024 STC SA02511SE (2 OF 3) Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 02/02/2024 STC SA02658SE (1 OF 2) Installation of Garmin GI 275 Multi-Function Display System Garmin International Inc. DRS ↗
- 01/31/2024 STC SA01866WI Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection Garmin International Inc. DRS ↗
- 12/12/2023 STC SA02571SE (PAGE 2) Installation of Garmin G500/G600 TXi Integrated Avionics System (Primary Flight Display, Multi-Function Display, and Engine Indicating System Display). Garmin International Inc. DRS ↗
- 11/16/2023 STC SA02532AT Installation of subject Michelin tires on appropriate aircraft. For Michelin 5, 6, 8, and 10-inch rim diameter tires on General Aviation Aircraft. Michelin North America Inc. DRS ↗
- 09/08/2023 STC SA01866WI Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection Garmin International Inc DRS ↗
- 08/10/2023 STC SA02019WI Installation of the Trig Avionics TX56, TX56A, TX57, or TX57A VHF Nav-Com Radio. Peregrine DRS ↗
- 07/19/2023 STC SA04378CH Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat… SureFly Partners Ltd. DRS ↗
- 06/29/2023 STC SA04400NY Installation of the Integrated Back-up Battery System (IBBS) TCW Technologies LLC DRS ↗
- 05/25/2023 STC SA09766DS Installation of an S-TEC 01326 Digital Flight Control System (DFCS) S-TEC Corporation DRS ↗
- 05/08/2023 STC SA04192NY KFD 900 Primary Flight Display System Additional Functions Honeywell International Inc DRS ↗
- 04/05/2023 STC SA00756DE Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out Equipment using a Trig Avionics TT22 Transponder and an approved Global Positioning System (GPS) Position Se… Peregrine DRS ↗
- 01/10/2023 STC SA04378CH Installation of an engine modified per STC SE04349CH on an aircraft listed on FAA approved model list #SA04378CH dated 1/13/19 or later FAA approved revision, IAW SureFly installat… SureFly Partners Ltd DRS ↗
- 12/28/2022 STC SA02987CH Installation of the Electroair Electronic Ignition System Electroair Acquisition Corporation DRS ↗
+ 365 more STCs on file
PMA replacement parts · 3 on file
- 86943-00#https://drs.faa.gov/browse/excelExternalWindow/1C02B7C4ABAECF6086257D8E005FA5F6.0001## ASSY, RS232, WiFi FreeFlight Systems replaces Modification
- Mitchell Model AK296#https://drs.faa.gov/browse/excelExternalWindow/E7A0DC50F5DD2A1386257520006160B7.0001## - Century Flight Systems Inc replaces -
- Mitchell Model AK339#https://drs.faa.gov/browse/excelExternalWindow/5CDC3CCA62D33FF7862575200061615B.0001## - Century Flight Systems Inc replaces -
Advisory circulars & Federal Register
Advisory circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register · Parts 91 & 43
- 2026-09-14 Use of Certain Restricted Category Aircraft for the Transport of Firefighters for Wildfire Suppression FR ↗
- 2026-07-31 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
- 2026-07-02 Enabling Supersonic Overland Flight FR ↗
- 2026-07-01 Mechanic Certification: Inspection Rating and Recent Experience Requirements FR ↗
- 2026-06-30 Designation-Restrict the Operation of Unmanned Aircraft in Close Proximity to a Fixed Site Facility; Extension of Comment Period FR ↗
Registered N-numbers · 82
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N110LL | DE | 1971 | · | Look up ↗ |
| N143MM | FL | 1970 | · | Look up ↗ |
| N1956R | DE | 1971 | · | Look up ↗ |
| N230SW | GA | 1971 | ● | Look up ↗ |
| N23MG | CO | 1971 | · | Look up ↗ |
| N2428P | AR | 1970 | ● | Look up ↗ |
| N24TE | MD | 1970 | · | Look up ↗ |
| N2654E | — | 1971 | · | Look up ↗ |
| N289WW | IN | 1971 | ● | Look up ↗ |
| N289ZZ | DE | 1969 | · | Look up ↗ |
| N320GC | CA | 1970 | · | Look up ↗ |
| N3322G | TX | 1970 | · | Look up ↗ |
| N333HJ | — | — | · | Look up ↗ |
| N377HH | TN | 1970 | · | Look up ↗ |
| N390W | WI | 1970 | · | Look up ↗ |
| N39CR | WY | 1970 | · | Look up ↗ |
| N40439 | FL | 1971 | ● | Look up ↗ |
| N4297A | WY | 1971 | · | Look up ↗ |
| N45JL | OR | — | · | Look up ↗ |
| N46EA | AL | 1970 | · | Look up ↗ |
| N502DW | IL | 1971 | · | Look up ↗ |
| N566BS | IA | 1970 | · | Look up ↗ |
| N567TC | WI | 1970 | · | Look up ↗ |
| N613F | GA | 1970 | · | Look up ↗ |
| N626NR | MD | 1970 | · | Look up ↗ |
| N710ME | — | 1971 | · | Look up ↗ |
| N777FS | ID | 1972 | · | Look up ↗ |
| N77CH | FL | 1971 | · | Look up ↗ |
| N78RJ | SC | 1970 | · | Look up ↗ |
| N811BC | DE | — | · | Look up ↗ |
| N8839Y | TX | 1969 | · | Look up ↗ |
| N8844Y | FL | 1969 | ● | Look up ↗ |
| N8852Y | AL | 1969 | · | Look up ↗ |
| N8854Y | FL | 1970 | · | Look up ↗ |
| N8857Y | AZ | 1970 | · | Look up ↗ |
| N8864Y | VA | 1970 | · | Look up ↗ |
| N8867Y | MT | 1970 | · | Look up ↗ |
| N8869Y | IL | 1970 | · | Look up ↗ |
| N8876Y | VA | — | · | Look up ↗ |
| N8877Y | KY | 1970 | · | Look up ↗ |
| N887PM | VA | 1970 | · | Look up ↗ |
| N8880Y | GA | 1970 | · | Look up ↗ |
| N8883Y | CO | 1970 | · | Look up ↗ |
| N8884Y | OH | — | ● | Look up ↗ |
| N8885Y | GA | 1970 | · | Look up ↗ |
| N8891Y | IA | 1970 | · | Look up ↗ |
| N8895Y | NC | — | ● | Look up ↗ |
| N8897Y | DE | 1970 | · | Look up ↗ |
| N8898Y | AZ | 1970 | ● | Look up ↗ |
| N88WW | MI | 1971 | · | Look up ↗ |
| N8903Y | VA | 1970 | · | Look up ↗ |
| N8906Y | — | 1970 | · | Look up ↗ |
| N8914Y | VA | 1970 | · | Look up ↗ |
| N8917Y | TN | 1970 | · | Look up ↗ |
| N8925Y | PA | — | ● | Look up ↗ |
| N8934Y | NV | 1971 | · | Look up ↗ |
| N8938Y | AK | 1971 | · | Look up ↗ |
| N8944Y | PA | 1971 | · | Look up ↗ |
| N8945Y | IL | — | · | Look up ↗ |
| N8947Y | OK | 1971 | · | Look up ↗ |
| N8948Y | NJ | 1971 | · | Look up ↗ |
| N8955Y | VA | 1971 | · | Look up ↗ |
| N8956Y | DE | 1971 | · | Look up ↗ |
| N8962Y | TN | — | · | Look up ↗ |
| N8963Y | ND | — | · | Look up ↗ |
| N8965Y | IN | — | · | Look up ↗ |
| N8967Y | — | 1971 | · | Look up ↗ |
| N8969Y | UT | 1971 | · | Look up ↗ |
| N8971Y | NY | 1972 | · | Look up ↗ |
| N8973Y | MN | — | · | Look up ↗ |
| N8976Y | IL | — | · | Look up ↗ |
| N8980Y | FL | — | · | Look up ↗ |
| N8981Y | MT | 1972 | · | Look up ↗ |
| N8982Y | IL | 1972 | · | Look up ↗ |
| N8986Y | FL | 1972 | · | Look up ↗ |
| N8PX | CA | 1972 | · | Look up ↗ |
| N900DC | MN | 1970 | · | Look up ↗ |
| N91XC | OH | 1971 | · | Look up ↗ |
| N96JN | FL | 1985 | · | Look up ↗ |
| N971RJ | WY | 1971 | · | Look up ↗ |
| N980GC | SD | 1971 | · | Look up ↗ |
| N9PE | GA | 1972 | · | Look up ↗ |
Source — FAA Aircraft Registry
Sources
- FAA Aircraft Registry ↗ Refreshed Apr 27, 2026 Available
- NTSB CAROL ↗ Refreshed Jun 10, 2026 Available
- Federal Register (FAA Airworthiness Directives) ↗ Refreshed Apr 27, 2026 Available