Fixed Wing Single Engine · CONT MOTOR IO 520 SERIES · as of Sep 21, 2026
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Distribution · currently registered
By state (top 10)
- MT 9.5% 2
- MA 9.5% 2
- KS 9.5% 2
- CO 9.5% 2
- CA 9.5% 2
- ID 4.8% 1
- AK 4.8% 1
- MI 4.8% 1
- NV 4.8% 1
- PA 4.8% 1
+6 more states
By decade of manufacture
- 1960s 90.9% 20
- Unknown 9.1% 2
NTSB records
14 event(s) on file. Showing the most recent 14.
- Oct 10, 2025 N5806T Phoenix, Arizona NTSB docket ↗
- Oct 23, 1997 N725 FARMINGTON, New Mexico NTSB docket ↗
- Jul 12, 1995 N725 BETTLES, Alaska NTSB docket ↗
- Apr 30, 1995 N111EZ KETCHIKAN, Alaska NTSB docket ↗
- Aug 20, 1988 N14407 HILLSBORO, Oregon NTSB docket ↗
- Feb 9, 1987 N2691Z CEDAR CITY, Utah NTSB docket ↗
- May 13, 1985 N5815T ANCHORAGE, Alaska NTSB docket ↗
- Feb 22, 1984 N2691Z SPANISH FORK, Utah NTSB docket ↗
- Dec 22, 1978 N2673Z KEY WEST, Florida Minor NTSB docket ↗
- Aug 5, 1969 N5842T DELACROIX, Louisiana NTSB docket ↗
- May 18, 1968 N5815T FT LAUDERDALE, Florida NTSB docket ↗
- Jul 18, 1967 N2679Z NEW IBERIA, Louisiana NTSB docket ↗
- Feb 26, 1966 N2673Z MORGAN CITY, Louisiana NTSB docket ↗
- Oct 26, 1965 N5806T FENTON, Missouri Minor NTSB docket ↗
Airworthiness directives
31 directive(s) on file. Showing the most recent 25 · 6 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…
- Nov 2, 2020
Airworthiness Directives; Textron Aviation Inc. Airplanes
The FAA is adopting a new airworthiness directive (AD) for all Textron Aviation Inc. (Textron) Models 180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K, 182, 182A, 182B, 182C, 182D, 185, 185A, 185B, 185C, 185D, 185E, A185E, and A185F airplanes. This AD was prompted by a report of cracks found in the tail…
- 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…
- May 14, 2020
Airworthiness Directives; Textron Aviation Inc. Airplanes
The FAA proposes to adopt a new airworthiness directive (AD) for all Textron Aviation Inc. (Textron) Models 180, 180A, 180B, 180C, 180D, 180E, 180F, 180G, 180H, 180J, 180K, 182, 182A, 182B, 182C, 182D, 185, 185A, 185B, 185C, 185D, 185E, A185E, and A185F airplanes. This proposed AD was prompted by a report of cracks fo…
- 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 13, 2011
Airworthiness Directives; Cessna Aircraft Company Models 150, 152, 170, 172, 175, 177, 180, 182, 185, 188, 190, 195, 206, 207, 210, T303, 336, and 337 Airplanes
We are superseding an existing airworthiness directive (AD) for Cessna Aircraft Company (Cessna) 150, 152, 170, 172, 175, 177, 180, 182, 185, 188, 190, 195, 206, 207, 210, T303, 336, and 337 series airplanes. That AD currently requires repetitive inspections and replacement of parts, if necessary, of the seat rail and…
- Nov 8, 2010
Airworthiness Directives; Cessna Aircraft Company Models 150, 152, 170, 172, 175, 177, 180, 182, 185, 188, 190, 195, 206, 207, 210, T303, 336, and 337 Airplanes
We propose to supersede Airworthiness Directive (AD) 87-20-03 R2, which applies to certain Cessna Aircraft Company (Cessna) 150, 152, 170, 172, 175, 177, 180, 182, 185, 188, 190, 195, 206, 207, 210, T303, 336, and 337 series airplanes. AD 87-20-03 R2 currently requires repetitive inspections and replacement of parts,…
- Dec 24, 2008
Airworthiness Directives; Cessna Aircraft Company 172, 175, 177, 180, 182, 185, 188, 206, 207, 208, 210, 303, 336, and 337 Series Airplanes
The FAA is adopting a new airworthiness directive (AD) for certain Cessna Aircraft Company (Cessna) 172, 175, 177, 180, 182, 185, 188, 206, 207, 208, 210, 303, 336, and 337 series airplanes. This AD requires you to inspect the alternate static air source selector valve to assure that the part number identification pla…
- 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…
- Jun 7, 2005
Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems
The FAA adopts a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This AD requires you to replace the airplane flight manual suppl…
- May 11, 2005
Airworthiness Directives; Aero Advantage ADV200 Series (Part Numbers ADVPL211CC and ADVPL212CW) Vacuum Pumps
The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Aero Advantage ADV200 series (part numbers ADVPL211CC and ADVPL212CW) vacuum pumps installed under supplemental type certificate number SA10126SC, through field approval, or other methods. This proposed AD would require you to…
- Mar 4, 2005
Airworthiness Directives; Precise Flight, Inc. Models SVS I and SVS IA Standby Vacuum Systems
The FAA proposes to adopt a new airworthiness directive (AD) for all airplanes equipped with Precise Flight, Inc. (Precise Flight) Models SVS I and SVS IA standby vacuum systems (SVS) installed under certain supplemental type certificates or through field approval. This proposed AD would require you to replace the air…
- Jan 19, 2005
Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders
The FAA is adopting a new airworthiness directive (AD) to supersede Airworthiness Directive 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD a…
- Oct 7, 2004
Airworthiness Directives; GARMIN International Inc. GTX 33, GTX 33D, GTX 330, and GTX 330D Mode S Transponders
The FAA proposes to supersede Airworthiness Directive (AD) 2004-10-15, which applies to certain GTX 330 and GTX 330D Mode S transponders that are installed on airplanes. AD 2004-10-15 currently requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This proposed AD applies to certain GTX 33…
- Sep 17, 2004
Airworthiness Directives; Cessna Aircraft Company 120, 140, 140A, 150, F150, 170, 172, F172, FR172, P172D, 175, 177, 180, 182, 185, A185E, 190, 195, 206, P206, U206, TP206, TU206, 207, T207, 210, T210, 336, 337, and T337 Series Airplanes
The FAA adopts a new airworthiness directive (AD) that will supersede AD 86-26-04, which applies to certain Cessna Aircraft Company (Cessna) 120, 140, 140A, 150, F150, 170, 172, F172, FR172, P172D, 175, 177, 180, 182, 185, A185E, 190, 195, 205, 205A, 206, P206, P206E, TP206A, TU206, TU206E, U206, U206E, 207, T207, 210…
- May 21, 2004
Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders
The FAA adopts a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders that are installed on aircraft. This AD requires you to install GTX 330/330D Software Upgrade Version 3.03, 3.04, or 3.05. This AD is the result of observations that the GTX 330 and GTX 330D may…
- Feb 27, 2004
Airworthiness Directives; Cessna Aircraft Company 120, 140, 140A, 150, F150, 170, 172, F172, FR172, P172D, 175, 177, 180, 182, 185, A185E, 190, 195, 206, P206, U206, TP206, TU206, 207, T207, 210, T210, 336, 337, and T337 Series Airplanes
The FAA proposes to revise an earlier proposed airworthiness directive (AD) to supersede AD 86-26-04 that applies to certain Cessna Aircraft Company (Cessna) 120, 140, 140A, 150, F150, 170, 172, F172, FR172, P172D, 175, 177, 180, 182, 185, A185E, 190, 195, 205, 205A, 206, P206, P206E, TP206A, TU206, TU206E, U206, U206…
- Dec 30, 2003
Airworthiness Directives; GARMIN International Inc. GTX 330 Mode S Transponders and GTX 330D Diversity Mode S Transponders
The FAA proposes to adopt a new airworthiness directive (AD) for certain GARMIN International Inc. GTX 330/GTX 330D Mode S transponders. This proposed AD would require you to install GTX 330/ 330D Software Upgrade Version 3.03. This proposed AD is the result of observations that the GTX 330 and GTX 330D may detect, fr…
- Nov 13, 2003
Airworthiness Directives; Cessna Aircraft Company 120, 140, 140A, 150, F150, 170, 172, F172, FR172, P172D, 175, 177, 180, 182, 185, A185E, 190, 195, 206, P206, U206, TP206, TU206, 207, T207, 210, T210, 336, 337, and T337 Series Airplanes
The FAA proposes to supersede Airworthiness Directive (AD) 86- 26-04, which applies to certain Cessna Aircraft Company (Cessna) 120, 140, 140A, 150, F150, 170, 172, F172, FR172, P172D, 175, 177, 180, 182, 185, A185E, 190, 195, 205, 205A, 206, P206, P206E, TP206A, TU206, TU206E, U206, U206E, 207, T207, 210, T210, 336,…
- Jan 22, 2001
Airworthiness Directives; Cessna Aircraft Company 150, 172, 175, 180, 182, 185, 206, 210, and 336 Series Airplanes
This document provides additional time for the public to comment on a proposal to adopt a new airworthiness directive (AD) that would apply to certain Cessna Aircraft Company (Cessna) 150, 172, 175, 180, 182, 185, 206, 210, and 336 series airplanes. The proposed AD would affect those airplanes equipped with 0513166 se…
- Dec 29, 2000
Airworthiness Directives; Cessna Aircraft Company 150, 172, 175, 180, 182, 185, 206, 210, and 336 Series Airplanes
This document proposes to adopt a new airworthiness directive (AD) that would apply to certain Cessna Aircraft Company (Cessna) 150, 172, 175, 180, 182, 185, 206, 210, and 336 series airplanes. The proposed AD would affect those airplanes equipped with 0513166 series plastic control wheels. The proposed AD would requi…
- Nov 30, 1999
Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems
This amendment adopts a new airworthiness directive (AD) that applies to all aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. This AD requires incorporating revised operating limit…
- Oct 29, 1999
Airworthiness Directives; Bob Fields Aerocessories Inflatable Door Seals
This document proposes to revise Airworthiness Directive (AD) 98-21-21, which currently requires de-activating the electric door seal inflation system for all aircraft equipped with Bob Fields Aerocessories inflatable door seals. Since issuance of that AD, the manufacturer has developed a modification that would allow…
- Jul 7, 1999
Airworthiness Directives; Precise Flight, Inc. Model SVS III Standby Vacuum Systems
This document proposes to adopt a new airworthiness directive (AD) that would apply to all U.S. owners and operators of aircraft equipped with Precise Flight, Inc. Model SVS III standby vacuum systems installed in accordance with the applicable supplemental type certificate (STC) or through field approval. The propose…
Type certificate data sheets · 1 match in the FAA catalog
- 3A24 Cessna Aircraft Company Current Rev 36 · 11/15/1999
Models: 185B, A185F, 185E, 185C + 4 more
Supplemental type certificates · 778 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 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 ↗
- 01/03/2025 STC SA1603SO Installation of Snider speed kit. Snider Aircraft Accessories Inc. DRS ↗
- 12/13/2024 STC SA01330LA Installation of alternate avionics support assembly. Radiorax Aviation Systems LLC DRS ↗
- 11/20/2024 STC SA01120SE Installation of Door Steward. Mountain View Aviation LLC DRS ↗
- 10/23/2024 STC SA39CH Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System Wipaire Inc. DRS ↗
- 09/26/2024 STC SA02594SE SkyView HDX Instrumentation and Autopilot System manufactured Dynon Avionics 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 ↗
- 07/29/2024 STC SA01866WI Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection Garmin International Inc. DRS ↗
- 06/13/2024 STC SA02511SE Installation of replacement fuel quantity indicator sending unit(s) CiES Inc. DRS ↗
- 01/31/2024 STC SA01866WI Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection Garmin International Inc. DRS ↗
- 11/15/2023 STC SA328CE Install Model 180-185 Aqua Floats Outpost X Aviation Inc. DRS ↗
- 11/15/2023 STC SA2700SO Install Model 3526 Aqua Floats. Outpost X Aviation Inc. DRS ↗
- 09/08/2023 STC SA01866WI Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection Garmin 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 ↗
- 04/04/2023 STC SA11137SC Installation of Plane-Power ALT-FLX alternator Hartzell Engine Technologies, LLC DRS ↗
- 02/09/2023 STC SA3-717 Installation of Model 4000 main skis and Model 1500, CT-3600, CT-3200 with 8-inch tail wheel, or CT-3400 with 8-inch tail wheel-tail skis. F.Atlee Dodge Aircraft Services DRS ↗
- 02/09/2023 STC SA3-423 Installation of CT-3000 tail ski on airplanes equipped with Scott 3200 or 3400 tail wheels. F.Atlee Dodge Aircraft Services DRS ↗
- 02/09/2023 STC SA01606CH Installation of alternate electro-hydraulic power pack system for operation of main wheel skis. F.Atlee Dodge Aircraft Services DRS ↗
- 01/01/2023 STC SA00709SE Installation of replacement control surface skin panels. Athena Aircraft, LLC DRS ↗
- 01/01/2023 STC SA00236SE Installation of an extended baggage compartment Athena Aircraft, LLC DRS ↗
- 01/01/2023 STC SA00406WI Installation of replacement flap trailing edge bulbs with AOG Drawing Athena Aircraft, LLC DRS ↗
- 01/01/2023 STC SA00478SE Replace existing horizontal stabilizer skins Athena Aircraft, LLC DRS ↗
- 12/16/2022 STC SA2520CE Installation of replacement wing tips. Curry Aviation LLC 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 ↗
+ 748 more STCs on file
PMA replacement parts · 2 on file
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 · 22
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N111EZ | ID | 1964 | ● | Look up ↗ |
| N14407 | AK | 1964 | ● | Look up ↗ |
| N185DL | MI | 1964 | · | Look up ↗ |
| N185PT | NV | 1964 | · | Look up ↗ |
| N23RG | MT | 1964 | · | Look up ↗ |
| N2673Z | MA | 1963 | ● | Look up ↗ |
| N2679Z | PA | 1963 | ● | Look up ↗ |
| N2691Z | FL | 1964 | ● | Look up ↗ |
| N393M | MT | 1964 | · | Look up ↗ |
| N48071 | DE | 1964 | · | Look up ↗ |
| N55AX | TX | 1964 | · | Look up ↗ |
| N564C | KS | 1964 | · | Look up ↗ |
| N5803T | GA | 1964 | · | Look up ↗ |
| N5806T | AZ | 1964 | ● | Look up ↗ |
| N5811T | CO | 1964 | · | Look up ↗ |
| N5813T | MA | 1964 | · | Look up ↗ |
| N5815T | CA | — | ● | Look up ↗ |
| N5842T | CA | 1964 | ● | Look up ↗ |
| N725 | KS | 1964 | ● | Look up ↗ |
| N878JW | — | 1964 | · | Look up ↗ |
| N90PD | MN | — | · | Look up ↗ |
| N99HP | CO | 1964 | · | 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