Fixed Wing Multi Engine · CONT MOTOR TSIO-520 SER · as of Sep 21, 2026
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Distribution · currently registered
By state (top 10)
- CO 14.3% 1
- VA 14.3% 1
- TX 14.3% 1
- KS 14.3% 1
- OR 14.3% 1
- SC 14.3% 1
- DE 14.3% 1
By decade of manufacture
- 1960s 57.1% 4
- Unknown 42.9% 3
NTSB records
4 event(s) on file. Showing the most recent 4.
- Oct 23, 1980 N8125F MOLINE, Illinois NTSB docket ↗
- May 18, 1980 N8125F SAVOY, Illinois NTSB docket ↗
- Aug 2, 1971 N8125F NEW BEDFORD, Massachusetts NTSB docket ↗
- Jul 31, 1970 N8125F NEW BEDFORD, Massachusetts NTSB docket ↗
NASA ASRS reports · 3
De-identified, pilot-written, voluntary and not investigated — the reporter's perspective; cannot infer prevalence.
- ACN 1968790 Commuter and GA Icing Incidents Cessna 402/402C/B379 Businessliner/Utiliner C402 Captain reported during climb, ice began to accumulate on the wings and the boots did not deploy. The Captain diverted and landed.
- ACN 2029651 Global Positioning (GPS) Reports Cessna 402/402C/B379 Businessliner/Utiliner Pilot flying C-402 aircraft after recent maintenance work on the aileron control cable reported flight control anomaly during climb out. Pilot returned to departure airport and returned plane for main
- ACN 2028672 Wake Turbulence Encounters Cessna 402/402C/B379 Businessliner/Utiliner Cessna 402 pilot reported encountering wake turbulence on approach to BOS.
Research papers
Airworthiness directives
48 directive(s) on file. Showing the most recent 25 · 23 more in the Federal Register.
- 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…
- Jul 27, 2022
Airworthiness Directives; Various Airplanes, Helicopters, and Engines
The FAA proposes to adopt 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 proposed AD was prompted by multiple failures of spot-welded, multi-segment v-band couplings at t…
- Feb 22, 2021
Airworthiness Directives; Textron Aviation Inc. (Type Certificate previously held by Cessna Aircraft Company) Airplanes
The FAA is withdrawing a notice of proposed rulemaking (NPRM) and supplemental notice of proposed rulemaking (SNPRM) that proposed to supersede airworthiness directive (AD) 72-14-08 R1 for Cessna Aircraft Company (now Textron Aviation Inc.) Models 310, 320, 401, 402, 411, and 421 airplanes. AD 72-14-08 R1 requires rep…
- 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…
- May 8, 2018
Airworthiness Directives; Textron Aviation Inc. Airplanes
We are revising Airworthiness Directive (AD) 2018-03-03 for certain Textron Aviation Inc. Models 401, 401A, 401B, 402, 402A, 402B, 402C, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, and 425 airplanes. AD 2018-03-03 required repetitively inspecting the left and the right forward lower carry through spar cap for cracks…
- Feb 13, 2018
Airworthiness Directives; Textron Aviation Inc. Airplanes
We are adopting a new airworthiness directive (AD) for certain Textron Aviation Inc. Models 401, 401A, 401B, 402, 402A, 402B, 402C, 411, 411A, 414, 414A 421, 421A, 421B, 421C, and 425 airplanes. This AD requires repetitively inspecting the left and the right forward lower carry through spar cap for cracks and replacin…
- Aug 26, 2016
Airworthiness Directives; Textron Aviation, Inc. Airplanes
We are superseding Airworthiness Directive (AD) 2016-07-24 for all Textron Aviation, Inc. Models 310 through 310R, E310H, E310J, T310P through T310R, 310J-1, 320 through 320F, 320-1, 335, 340, 340A, 401 through 401B, 402 through 402C, 411, 411A, 414, 414A, and 421 through 421C airplanes (type certificates 3A10, 3A25,…
- Apr 11, 2016
Airworthiness Directives; Textron Aviation, Inc. Airplanes
We are adopting a new airworthiness directive (AD) for all Textron Aviation, Inc. Models 310 through 310R, E310H, E310J, T310P through T310R, 310J-1, 320 through 320F, 320-1, 335, 340, 340A, 401 through 401B, 402 through 402C, 411, 411A, 414, 414A, and 421 through 421C airplanes (type certificates 3A10, 3A25, and A7CE…
- Mar 3, 2014
Airworthiness Directives; Cessna Aircraft Company Airplanes
We are adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 310, 320, 340, 401, 402, 411, 414, and 421 airplanes. This AD was prompted by an investigation of recent and historical icing-related accidents and incidents for the products listed above. This AD requires either hav…
- Oct 1, 2012
Airworthiness Directives; Cessna Aircraft Company Airplanes; Initial Regulatory Flexibility Analysis
This document announces the availability of and request for comments on the Initial Regulatory Flexibility Analysis for the previously published proposed airworthiness directive (AD) on Cessna Aircraft Company 310, 320, 340, 401, 402, 411, 414, and 421 airplanes regarding the installation of placards requiring flight…
- Jun 3, 2011
Airworthiness Directives; Cessna Aircraft Company 310, 320, 340, 401, 402, 411, 414, and 421 Airplanes
We propose to adopt a new airworthiness directive (AD) for the products listed above. This proposed AD would require you to install a placard that prohibits flight into known icing conditions and install a placard that increases published speed on approach 17 mph (15 knots) in case of an inadvertent encounter with ici…
- Sep 22, 2009
Airworthiness Directives; Teledyne Continental Motors O-470, IO-470, TSIO-470, IO-520, TSIO-520, IO-550, and IOF-550 Series Reciprocating Engines
The FAA is adopting a new airworthiness directive (AD) for Teledyne Continental Motors (TCM) O-470, IO-470, TSIO-470, IO-520, TSIO-520, IO-550, and IOF-550 series reciprocating engines with TCM EQ3 cylinders installed. This AD requires initial and repetitive visual inspections of TCM EQ3 cylinders for cracks. This AD…
- May 20, 2009
Airworthiness Directives; Hartzell Propeller Inc. Steel Hub Turbine Propellers
The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. steel hub turbine propellers, with any counterweight slug attachment bolts, part number (P/N) B-3386-14H, LFC manufacturing lot 224, installed. This AD requires identifying and removing all counterweight slug attachment bolts, P/N B-338…
- Feb 27, 2009
Airworthiness Directives; Avidyne Corporation Primary Flight Displays (Part Numbers 700-00006-000, -001, -002, -003, and -100)
We are adopting a new airworthiness directive (AD) to supersede AD 2008-06-28 R1, which applies to certain Avidyne Corporation (Avidyne) Primary Flight Displays (PFDs) (part numbers (P/Ns) 700-00006-000, -001, -002, -003, and -100) that are installed on airplanes. AD 2008-06-28 R1 currently requires you to do a check…
- Feb 18, 2009
Airworthiness Directives; Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, and 402B Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) Models 401, 401A, 401B, 402, 402A, and 402B airplanes. This AD requires an inspection of the auxiliary wing spar near the location where the main landing gear trunnion is mounted for cracks; immediate replacement if cra…
- Nov 14, 2008
Airworthiness Directives; Avidyne Corporation Primary Flight Displays (Part Numbers 700-00006-000, -001, -002, -003, and -100)
We propose to supersede Airworthiness Directive (AD) 2008-06- 28 R1, which applies to certain Avidyne Corporation (Avidyne) Primary Flight Displays (PFDs) (part numbers (P/Ns) 700-00006-000, -001, -002, -003, and -100) that are installed on airplanes. AD 2008-06-28 R1 currently requires you to do a check of the mainte…
- Apr 14, 2008
Airworthiness Directives; Avidyne Corporation Primary Flight Displays (Part Numbers 700-00006-000, -001, -002, -003, and -100)
The FAA is adopting a new airworthiness directive (AD) to revise AD 2008-06-28, which applies to certain Avidyne Corporation (Avidyne) Primary Flight Displays (PFDs) (Part Numbers (P/Ns) 700- 00006-000, -001, -002, -003, and -100) that are installed on airplanes. AD 2008-06-28 currently requires you to do a check of t…
- Mar 26, 2008
Airworthiness Directives; Avidyne Corporation Primary Flight Displays (Part Numbers 700-00006-000, -001, -002, -003, and -100)
The FAA is adopting a new airworthiness directive (AD) for certain Avidyne Corporation (Avidyne) Primary Flight Displays (PFDs) (Part Numbers (P/Ns) 700-00006-000, -001, -002, -003, and -100) that are installed on airplanes. This AD requires a check of the maintenance records and inspection of the PFD (if necessary) t…
- 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…
- Nov 30, 2005
Airworthiness Directives; McCauley Propeller Systems Propeller Assemblies Models 2D34C53/74E-X; D2A34C58/90AT-X; 3AF32C87/82NC-X; D3AF32C87/82NC-X; D3A32C88/82NC-X; D3A32C90/82NC-X; and 3AF34C92/90LF-X.
The FAA is adopting a new airworthiness directive (AD) for McCauley Propeller Systems propeller assemblies, models 2D34C53/74E-X; D2A34C58/90AT-X; 3AF32C87/82NC-X; D3AF32C87/82NC-X; D3A32C88/82NC-X; D3A32C90/82NC-X; and 3AF34C92/90LF-X. This AD requires, within 10 flight hours or 10 days after the effective date of th…
- Oct 12, 2005
Airworthiness Directives; The Cessna Aircraft Company Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 Airplanes
The FAA adopts a new airworthiness directive (AD) for certain The Cessna Aircraft Company (Cessna) Models 401, 401A, 401B, 402, 402A, 402B, 402C, 404, 411, 411A, 414, 414A, 421, 421A, 421B, 421C, 425, and 441 airplanes equipped with certain avionics bus circuit breaker switches. This AD requires you to inspect the avi…
- Sep 9, 2005
Airworthiness Directives; Goodrich De-icing and Specialty Systems “FASTprop” Propeller De-icers
The FAA is adopting a new airworthiness directive (AD) for Goodrich De-icing and Specialty Systems "FASTprop" propeller de- icers, part numbers P4E1188 series, P4E1601 series, P4E2200 series, P4E2271-10, P4E2575-7, P4E2575-10, P4E2598-10, P5855BSW, P6199SW, P6592SW, P6662SW, and P6975-11, installed. This AD requires i…
Type certificate data sheets · 1 match in the FAA catalog
- A7CE Cessna Aircraft Company Historical Rev 46 · 11/24/2004
Models: 421C, 425, 402C, 402B + 12 more
Supplemental type certificates · 548 on file
- 05/27/2025 STC SA5581SW Installation of ALCOR true-flow/ totalizer system Alcor LLC DRS ↗
- 04/01/2025 STC SA02738CH (PAGE 5) Installation of L-3 Communications Avionics Systems Acron Aviation Inc. DRS ↗
- 04/01/2025 STC SA04046CH Page 1 Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500) Acron Aviation Inc. 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 ↗
- 02/02/2024 STC SA02658SE (1 OF 2) Installation of Garmin GI 275 Multi-Function Display System Garmin International Inc. DRS ↗
- 11/17/2023 STC SA00040LB Installation of a modified exhaust tail pipe. Aerospace Welding Minneapolis 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 ↗
- 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 ↗
- 12/12/2022 STC SA02738CH (PAGE 5) Installation of L-3 Communications Avionics Systems L3Harris Aviation Products Inc. DRS ↗
- 12/12/2022 STC SA04046CH Page 1 Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500) L3Harris Aviation Products Inc. DRS ↗
- 07/06/2022 STC SA02203AK (PAGE 2) Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc. DRS ↗
- 06/16/2022 STC SA02254AK Installation of "Single Screen", "2 or 3 Screen", "Dual Screen", or "4 or 6 screen" Genesys Aerosystems Inc. DRS ↗
- 06/06/2022 STC SA02203AK (PAGE 2) Installation of FlightLogic Synthetic Vision Electronic Flight Information System (EFIS-SV). Genesys Aerosystems Inc. DRS ↗
- 03/30/2022 STC SA02444AK (PAGE 1) Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed ADS-B Technologies LLC DRS ↗
- 02/02/2022 STC SA4222SW Mount collision avoidance lights in engine nacelle. Johnson Aviation Products DRS ↗
- 09/01/2021 STC SA11174SC PAGE 1 Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems Honeywell International Inc (Bendix King) DRS ↗
- 07/21/2021 STC SA02430SE Fabrication and installation of a camera housing Airborne Sensor LLC DRS ↗
- 07/15/2021 STC SA10822SC Installation of EFD1000 Primary Flight Display Aspen Avionics Inc. DRS ↗
- 07/15/2021 STC SA10822SC Installation of EFD1000 Primary Flight Display Aspen Avionics Inc. DRS ↗
- 06/14/2021 STC SA02658SE (1 OF 2) Installation of Garmin GI 275 Multi-Function Display System Garmin International Inc DRS ↗
- 03/30/2021 STC SA02386AK Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems Aero LEDs LLC DRS ↗
- 01/12/2021 STC SA02426AK Approval of the FreeFlight FDL-978-TX ADS-B system installed FreeFlight Systems DRS ↗
- 07/28/2020 STC SA00024SE Installation of vortex generators on the wing and verticle tail, and strakes on the nacelles. Micro AeroDynamics Inc DRS ↗
- 07/17/2020 STC SA10236SC (2 OF 4) Installation of a GDC 31 Roll Steering Converter DAC International Inc DRS ↗
- 06/04/2020 STC SA02268CH (PAGE 3) Installation of Airwolf Filter Corp. Air Oil Separator Airwolf Filter Corporation DRS ↗
- 06/04/2020 STC SA02268CH (PAGE 2) Installation of Airwolf Filter Corp. Air Oil Separator Airwolf Filter Corporation DRS ↗
- 03/07/2020 STC SA00079NY Installation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines … Airwolf Filter Corporation DRS ↗
- 01/13/2020 STC SA02658SE (1 OF 2) Installation of Garmin GI 275 Multi-Function Display System Garmin International Inc DRS ↗
- 09/09/2019 STC SA01714WI (1 OF 2) Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R wit… Garmin International Inc DRS ↗
+ 518 more STCs on file
PMA replacement parts · 9 on file
- RA068-03100#https://drs.faa.gov/browse/excelExternalWindow/AFA43C03CEA818EF86257EDE005AB9F9.0001## Shim - Insulator Rapco Inc replaces Cleveland 068-03100
- 8302#https://drs.faa.gov/browse/excelExternalWindow/B1122C3FCE74407A862576C50058C0C5.0001## Flight Inspection Console Avcon Industries Inc replaces Modification Part
- RAA-63-3#https://drs.faa.gov/browse/excelExternalWindow/4B2F35008DB0AA9C86257DB300561647.0001## Landing and Recognition Light system Executive Wings Inc. Aviation replaces Modification Parts
- RAA-63-2#https://drs.faa.gov/browse/excelExternalWindow/D72A4891DB379A9C86257DB3005615FD.0001## Landing and Recognition Light system Executive Wings Inc. Aviation replaces Modification Parts
- RAA-63-1#https://drs.faa.gov/browse/excelExternalWindow/E42E3215F2E0052486257DB300561593.0001## Landing and Recognition Light system Executive Wings Inc. Aviation replaces Modification Parts
- 8302#https://drs.faa.gov/browse/excelExternalWindow/8DFC7A83D23FE9FF862574DE0053F561.0001## Flight Inspection Console Avcon Industries Inc replaces Modification Part
- 35ARM300-80S-( )#https://drs.faa.gov/browse/excelExternalWindow/143DAC56AA92227986257AFB0074EF03.0001## Lead Thru Insulator Dayton Granger Inc replaces 35ARM300-80S
- 152700-09#https://drs.faa.gov/browse/excelExternalWindow/2BD4A1EBCDB49FD8862576F200696AA4.0001## Windshield Assembly Sierracin/Sylmar Corp replaces 9910222-4
- 152700-07#https://drs.faa.gov/browse/excelExternalWindow/C1ABAD2C12B92793862576F200696A75.0001## Windshield Assembly Sierracin/Sylmar Corp replaces 9910222-2
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 · 7
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N1008A | CO | 1967 | · | Look up ↗ |
| N402DZ | VA | — | · | Look up ↗ |
| N7DA | TX | 1967 | · | Look up ↗ |
| N8125F | KS | — | ● | Look up ↗ |
| N82TA | OR | 1968 | · | Look up ↗ |
| N8422F | SC | — | · | Look up ↗ |
| N9873F | DE | 1968 | · | 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