Type Record · As of May 3, 2026
LAKE LA-4
Fixed Wing Single Engine · LYCOMING O&VO-360 SER
Registered
45
Year Range
1960–1970
NTSB Events
15
Airworthiness Directives
48
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered LAKE LA-4 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- MI 13.3% 6
- FL 11.1% 5
- WA 8.9% 4
- NY 8.9% 4
- AK 6.7% 3
- AZ 6.7% 3
- NH 4.4% 2
- WI 4.4% 2
- TX 4.4% 2
- MN 4.4% 2
+11 more states
By Decade of Manufacture
- 1960s 82.2% 37
- 1970s 2.2% 1
- Unknown 15.6% 7
02 / NTSB Records
Events involving LAKE LA-4 aircraft
15 event(s) on file. Showing the most recent 15.
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Jul 25, 2024
N1166LCatskill, New York
NTSB Docket → -
Jul 25, 2017
N7628LByron, California
NTSB Docket → -
Aug 23, 2008
N1147LAlgonac, Michigan
NTSB Docket → -
Apr 12, 1992
N2032LLEE'S SUMMIT, Missouri Minor
NTSB Docket → -
Jul 26, 1982
N7635LSPRINGDALE, Arkansas
NTSB Docket → -
Apr 2, 1981
N1168LCORDOVA, Alaska
NTSB Docket → -
Oct 8, 1978
N1168LHARDING LAKE, Alaska
NTSB Docket → -
May 27, 1974
N2012LPETERSBURG, Alaska
NTSB Docket → -
Apr 24, 1970
N2040LHOUSTON, Texas
NTSB Docket → -
Sep 29, 1968
N7604LFAIRBANKS, Alaska
NTSB Docket → -
Sep 24, 1967
N1138LHERMITAGE, Missouri
NTSB Docket → -
Apr 28, 1967
N2012LRENTON, Washington
NTSB Docket → -
Feb 13, 1967
N1132LOXNARD, California
NTSB Docket → -
Jun 14, 1965
N1120LLONG BEACH, California
NTSB Docket → -
Feb 2, 1964
N1120LLONG BEACH, California
NTSB Docket →
03 / Airworthiness Directives
FAA directives applicable to LAKE LA-4
48 directive(s) on file. Showing the most recent 25 · 23 more in the Federal Register.
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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…
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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…
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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…
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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…
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Mar 31, 2017
Airworthiness Directives; Meggitt (Troy), Inc. Combustion Heaters
We are superseding Airworthiness Directive (AD) 81-09-09 for certain Meggitt (Troy), Inc. (previously known as Stewart Warner South Wind Corporation and as Stewart Warner South Wind Division) Model Series (to include all the variants) 921, 930, 937, 940, 944, 945, 977, 978, 979, 8240, 8253, 8259, and 8472 combustion h…
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Nov 3, 2016
Airworthiness Directives; Meggitt (Troy), Inc. Combustion Heaters
We are revising a notice of proposed rulemaking (NPRM) for certain Meggitt (Troy), Inc. (previously known as Stewart Warner South Wind Corporation and as Stewart Warner South Wind Division) Model Series (to include all the variants) 921, 930, 937, 940, 944, 945, 977, 978, 979, 8240, 8253, 8259, and 8472 combustion hea…
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May 9, 2013
Airworthiness Directives; Revo, Incorporated Airplanes
We are superseding an existing airworthiness directive (AD) for certain Revo, Incorporated Models COLONIAL C-1, COLONIAL C-2, LAKE LA-4, LAKE LA-4A, LAKE LA-4P, and LAKE LA-4-200 airplanes. That AD currently requires a one-time, dye-penetrant inspection of the horizontal stabilizer attachment fitting and repetitive vi…
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Aug 16, 2012
Airworthiness Directives; Revo, Incorporated Airplanes
We propose to supersede an existing airworthiness directive (AD) that applies to certain Revo, Incorporated Models COLONIAL C-1, COLONIAL C-2, LAKE LA-4, LAKE LA-4A, LAKE LA-4P, and LAKE LA-4-200 airplanes. The existing AD currently requires a one-time dye-penetrant inspection of the horizontal stabilizer attachment f…
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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…
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Oct 27, 2009
Airworthiness Directives; Hartzell Propeller Inc. ()HC-()2Y(K,R)-() Series Propellers
The FAA is superseding an existing airworthiness directive (AD) for Hartzell Propeller Inc. ()HC-()2Y()-() series propellers with non-suffix serial number (SN) propeller hubs installed on Lycoming O-, IO-, LO-, and AEIO-360 series reciprocating engines. That AD currently requires initial and repetitive eddy current in…
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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…
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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…
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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…
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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…
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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…
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Sep 8, 2006
Airworthiness Directives; Hartzell Propeller Inc. ( )HC-( )2Y( )-( ) Series Propellers
The FAA is adopting a new airworthiness directive (AD) for Hartzell Propeller Inc. ( )HC-( )2Y( )-( ) series propellers with non- suffix serial number (SN) propeller hubs installed on Lycoming O-, IO-, LO-, and AEIO-360 series reciprocating engines. This AD requires initial and repetitive eddy current inspections (ECI…
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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…
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May 18, 2006
Airworthiness Directives; Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods
The FAA is adopting a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) 360 and 540 series reciprocating engines with ECi connecting rods, part number (P/N) AEL11750, installed. The Airmotive Engineering Corp, Division of Engine Components Incorporated (ECi), holds the Parts Man…
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Mar 23, 2006
Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 Series Reciprocating Engines
The FAA is adopting a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 series reciprocating engines. This AD requires replacing certain crankshafts. This AD results from a crankshaft failure in a Lycoming LO-360-A1H6 reciprocating en…
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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…
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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…
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Dec 27, 2005
Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, and LO-360 Series Reciprocating Engines
The FAA proposes to adopt a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) AEIO-360, IO- 360, O-360, LIO-360, and LO-360 series reciprocating engines. This proposed AD would require replacing certain crankshafts. This proposed AD results from a report of a crankshaft failure…
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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…
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Oct 5, 2005
Airworthiness Directives; Engine Components Incorporated (ECi) Reciprocating Engine Connecting Rods
The FAA proposes to adopt a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) 360 and 540 series reciprocating engines with ECi connecting rods, part number (P/ N) AEL 11750, installed. This proposed AD would require replacing certain serial-numbered connecting rods, P/N AEL 117…
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Sep 16, 2005
Airworthiness Directives; Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360, AEIO-540, IO-540, O-540, and TIO-540 Series Reciprocating Engines
The FAA is adopting a new airworthiness directive (AD) for certain Lycoming Engines (formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360, AEIO-540, IO-540, O-540, and TIO-540 series reciprocating engines rated at 300 horsepower (HP) or lower. This AD requires replacing certain crankshafts. This AD resu…
07 / PMA replacement parts
FAA-approved replacement parts for LAKE LA-4
5 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
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4140-00-19ACJ#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114866830620230126165355.0001##
FUEL PUMP 14VOLT
McFarlane Aviation Inc replaces DUKES P/N 4140-00-19A
PMA holder → -
4140-00-19ACJ#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141883059020230202155253.0001##
FUEL PUMP 14VOLT
McFarlane Aviation Inc replaces DUKES P/N 4140-00-19A
PMA holder → -
ST-581#https://drs.faa.gov/browse/excelExternalWindow/3E7610AE7F4F57C5862575540062C07A.0001##
Autopilot
S-TEC Corporation replaces -
PMA holder → -
MDL RJ5450#https://drs.faa.gov/browse/excelExternalWindow/A62848629DE8E279862571F00062EFEB.0001##
Turbocharger installation
Rajay Parts LLC replaces Modification Part
PMA holder → -
MDL RJ5400#https://drs.faa.gov/browse/excelExternalWindow/D3F8BA025EE28316862571F00062EFD0.0001##
Turbocharger installation
Rajay Parts LLC replaces Modification Part
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for LAKE LA-4
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 45 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N1005L | FL | 1960 | · | Look up ↗ |
| N1011L | NH | 1960 | · | Look up ↗ |
| N1022L | MI | 1961 | · | Look up ↗ |
| N1116L | MD | 1963 | · | Look up ↗ |
| N1120L | WA | 1963 | ● | Look up ↗ |
| N1121L | WI | — | · | Look up ↗ |
| N1131L | WI | 1964 | · | Look up ↗ |
| N1132L | TX | 1964 | ● | Look up ↗ |
| N1138L | DE | 1964 | ● | Look up ↗ |
| N1144L | MI | 1964 | · | Look up ↗ |
| N1147L | TX | 1964 | ● | Look up ↗ |
| N1153L | MI | 1965 | · | Look up ↗ |
| N1158L | AK | 1965 | · | Look up ↗ |
| N1166L | NY | 1965 | ● | Look up ↗ |
| N1168L | AK | 1966 | ● | Look up ↗ |
| N15AG | NY | 1966 | · | Look up ↗ |
| N161JL | GA | 1966 | · | Look up ↗ |
| N16LK | NY | 1966 | · | Look up ↗ |
| N2012L | WA | 1966 | ● | Look up ↗ |
| N2014L | IL | 1966 | · | Look up ↗ |
| N2017L | MN | — | · | Look up ↗ |
| N2021L | CO | 1967 | · | Look up ↗ |
| N2029L | AZ | 1967 | · | Look up ↗ |
| N2032L | FL | 1967 | ● | Look up ↗ |
| N2035L | MT | 1967 | · | Look up ↗ |
| N2040L | IN | 1968 | ● | Look up ↗ |
| N410FB | MI | 1969 | · | Look up ↗ |
| N45L | AZ | 1969 | · | Look up ↗ |
| N509SW | WA | 1964 | · | Look up ↗ |
| N6653L | ID | 1969 | · | Look up ↗ |
| N6658L | MI | — | · | Look up ↗ |
| N6682L | CT | 1970 | · | Look up ↗ |
| N69UL | AZ | 1969 | · | Look up ↗ |
| N732BN | VA | 1960 | · | Look up ↗ |
| N7604L | NH | — | ● | Look up ↗ |
| N7605L | FL | 1968 | · | Look up ↗ |
| N7611L | MN | 1968 | · | Look up ↗ |
| N7622L | FL | — | · | Look up ↗ |
| N7623L | WA | — | · | Look up ↗ |
| N7626L | AK | 1969 | · | Look up ↗ |
| N7628L | ID | 1969 | ● | Look up ↗ |
| N7634L | MI | 1969 | · | Look up ↗ |
| N7635L | NV | 1969 | ● | Look up ↗ |
| N76LY | FL | 1964 | · | Look up ↗ |
| N771KA | NY | — | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →