GREAT LAKES 2T-1A — Public Type Record

01 / Distribution

Where the fleet lives and was built

Counts of currently-registered GREAT LAKES 2T-1A aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

CA 11.4% 4
CO 11.4% 4
WI 8.6% 3
IA 8.6% 3
NM 5.7% 2
FL 5.7% 2
TN 5.7% 2
OH 5.7% 2
TX 2.9% 1
GU 2.9% 1

+11 more states

By Decade of Manufacture

1920s 20.0% 7
1930s 40.0% 14
1970s 8.6% 3
Unknown 31.4% 11

02 / NTSB Records

Events involving GREAT LAKES 2T-1A aircraft

12 event(s) on file. Showing the most recent 12.

Jun 20, 2020
N856L
Cambridge, Ohio
NTSB Docket →
Jun 8, 2020
N863K
St. Mary's, Pennsylvania
NTSB Docket →
Oct 13, 2011
N502GL
San Diego, California
NTSB Docket →
Nov 13, 2004
N502GL
San Diego, California
NTSB Docket →
Feb 9, 2002
N502GL
SAN DIEGO, California
NTSB Docket →
Jun 14, 1987
N874K
LAGO VISTA, Texas
NTSB Docket →
Aug 10, 1974
N502GL
HOLTVILLE, California Minor
NTSB Docket →
Jul 9, 1972
N828K
CHATTANOOGA, Tennessee
NTSB Docket →
Oct 8, 1966
N909N
SMITHVILLE, Texas Minor
NTSB Docket →
Nov 9, 1965
N11324
TEHACHAPI, California Serious
NTSB Docket →
Sep 30, 1965
N11333
SPOKANE, Washington
NTSB Docket →
Jun 26, 1965
N828K
JONESBORO, Georgia
NTSB Docket →

03 / Airworthiness Directives

FAA directives applicable to GREAT LAKES 2T-1A

11 directive(s) on file. Showing the most recent 11.

Jan 3, 2024

Airworthiness Directives; WACO Classic Aircraft Corporation Airplanes

The FAA is adopting a new airworthiness directive (AD) for certain WACO Classic Aircraft Corporation Model 2T-1A-2 airplanes. This AD was prompted by reports of multiple types of cracks at the leading edge former ribs and trailing edge former ribs in the upper wing center section. This AD requires installing maneuver…

Atlas AD → Federal Register ↗
Oct 27, 2023

Airworthiness Directives; WACO Classic Aircraft Corporation Airplanes

The FAA proposes to adopt a new airworthiness directive (AD) for certain WACO Classic Aircraft Corporation Model 2T-1A-2 airplanes. This proposed AD was prompted by reports of multiple types of cracks at the leading edge former ribs and trailing edge former ribs in the upper wing center section. This proposed AD would…

Atlas AD → Federal Register ↗
Jun 5, 2012

Airworthiness Directives; WACO Classic Aircraft Corporation Airplanes

We are adopting a new airworthiness directive (AD) for certain WACO Classic Aircraft Corporation Models 2T-1A, 2T-1A-1, and 2T-1A-2 airplanes. This AD requires inspection of the front and rear horizontal stabilizer spar assemblies with replacement of parts as necessary. This AD was prompted by cracking of the horizont…

Atlas AD → Federal Register ↗
Dec 16, 2004

Airworthiness Directives; Great Lakes Aircraft Company, LLC, Models 2T-1A-1 and 2T-1A-2 Airplanes

The FAA supersedes Airworthiness Directive (AD) 79-20-08, which applies to all Great Lakes Aircraft Company, LLC, (Great Lakes) Models 2T-1A-1 and 2T-1A-2 airplanes with a Lycoming IO-360-B1F6 or AIO-360-B1G6 engine installed. AD 79-20-08 currently requires you to inspect the engine induction system and the alternate…

Atlas AD → Federal Register ↗
Sep 20, 2004

Airworthiness Directives; Great Lakes Aircraft Company, LLC, Models 2T-1A-1 and 2T-1A-2 Airplanes

The FAA proposes to supersede Airworthiness Directive (AD) 79- 20-08, which applies to all Great Lakes Aircraft Company, LLC, (Great Lakes) Models 2T-1A-1 and 2T-1A-2 airplanes with a Lycoming IO-360-B1F6 or AIO-360-B1G6 engine installed. AD 79-20-08 currently requires you to inspect the engine induction system and th…

Atlas AD → Federal Register ↗
Jun 26, 2003

Airworthiness Directives; Hartzell Propeller Inc. ( )HC-( )(2,3)(X,V)( )-( ) Series and HA-A2V20-1B Series Propellers with Aluminum Blades

This amendment revises an existing airworthiness directive (AD), that is applicable to Hartzell Propeller Inc. ( )HC-( )(2,3)(X,V)( )-( ) series and HA-A2V20-1B series propellers with aluminum blades. That AD currently requires initial and repetitive dye penetrant and eddy current inspections of the blade and an optic…

Atlas AD → Federal Register ↗
Jan 2, 2003

Airworthiness Directives; Hartzell Propeller Inc. ( )HC-( )(2,3)(X,V)( )-( ) Series and HA-A2V20-1B Series Propellers with Aluminum Blades

The Federal Aviation Administration (FAA) proposes to revise an existing airworthiness directive (AD), applicable to Hartzell Propeller Inc. ( )HC-( )(2,3)(X,V)( )-( ) series and HA-A2V20-1B series propellers with aluminum blades. That AD currently requires initial and repetitive dye penetrant and eddy current inspect…

Atlas AD → Federal Register ↗
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…

Atlas AD → Federal Register ↗
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…

Atlas AD → Federal Register ↗
Aug 27, 1997

Airworthiness Directives; Hartzell Propeller Inc. ( )HC-( )(2,3)(X,V)( )-( ) Series and HA-A2V20-1B Series Propellers With Aluminum Blades

This amendment supersedes four existing airworthiness directives (ADs), applicable to Hartzell Propeller Inc. ( )HC-( )(2,3)(X,V)( )-( ) series propellers with aluminum blades, that currently require inspections for cracks in blade shanks and clamps. This amendment requires initial and repetitive dye penetrant and edd…

Atlas AD → Federal Register ↗
Apr 26, 1996

Airworthiness Directives; Hartzell Propeller Inc. HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC-B4T, and HC-B5M Series Propellers

This document proposes the adoption of a new airworthiness directive (AD) that is applicable to Hartzell Propeller Inc. (Hartzell) HC-A3V, HC-B3M, HC-B3T, HC-B4M, HC- B4T, and HC-B5M series propellers. This proposal would require hub replacement over a 10-year time period with a concurrent blade and blade clamp inspec…

Atlas AD → Federal Register ↗

04 / Type Certificate Data Sheets

FAA TCDS for GREAT LAKES 2T-1A

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 2 matches in the FAA catalog.

A18EA Historical Rev 13 · 11/10/2020

WACO Classic Aircraft Corporation

Models: 2T-1A, 2T-1A-1, 2T-1A-2

Atlas TCDS → DRS ↗
ATC 228 Current Rev 0 ·

Great Lakes Aircraft Company

Models: 2T-1A

Atlas TCDS → DRS ↗

05 / Special Airworthiness Information Bulletins

Advisories applicable to GREAT LAKES 2T-1A

1 SAIB on file. SAIBs are FAA advisory notices — not mandatory like ADs, but worth reviewing for service bulletins and emerging issues.

09/15/2000

SAIB CE-00-36

SAIB CE-00-36 —

Read → DRS ↗

06 / Supplemental Type Certificates

Modifications approved for GREAT LAKES 2T-1A

36 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.

03/01/2025

STC SA7965SW

Application of fabric and polyurethane finishing system.

Shady Aviation LLC

Atlas STC → DRS ↗
05/17/2024

STC SA4503NM (PAGE 1)

Remove original cloth covering and install Ceconite covering

Ceconite Division of Poly-Fiber Inc.

Atlas STC → DRS ↗
09/09/2022

STC SA4503NM (PAGE 1)

Install Ceconite covering material.

Ceconite Division of Poly-Fiber Inc

Atlas STC → DRS ↗
05/18/2022

STC SA04776NY (2 OF2)

The HIPEC Covering and Finishing System must be performed and maintained

HIPEC Aircraft Coatings Inc.

Atlas STC → DRS ↗
03/01/2018

STC SA7965SW

Application of fabric and polyurethane finishing system.

Air Tech Coatings

Atlas STC → DRS ↗
08/27/2016

STC SA01240SE (2 OF 5)

Installation of secondary voltage indication system

Visual Instruments LLC

Atlas STC → DRS ↗
10/19/2011

STC SA00478CH (PAGE 1)

Installation of Cooper Superflite 102 Fabric.

Aviation Products Systems Inc.

Atlas STC → DRS ↗
09/14/2011

STC SA00478CH (PAGE 1)

Installation of Cooper Superflite 102 Fabric.

Aviation Products Systems Inc.

Atlas STC → DRS ↗
08/18/2011

STC SA01669CH (PAGE 2)

Installation of Challenger Reusable Air Filters.

Challenger Aviation Products Inc.

Atlas STC → DRS ↗
05/12/2011

STC SA01435SE (PAGE 1)

Installation of J.P. Instruments (JPI) Primary Engine Data Management System.

J P Instruments

Atlas STC → DRS ↗
02/25/2011

STC SA4503NM (Page 1)

Install Ceconite covering material.

Ceconite Division of Poly-Fiber Inc

Atlas STC → DRS ↗
02/14/2011

STC SA01435SE (PAGE 1)

Installation of J.P. Instruments (JPI) Primary Engine Data Management System.

J P Instruments

Atlas STC → DRS ↗
11/05/2010

STC SA01669CH (PAGE 2)

Installation of Challenger Reusable Air Filters.

Challenger Aviation Products Inc.

Atlas STC → DRS ↗
02/01/2010

STC SA00478CH (PAGE 1)

Installation of Cooper Superflite 102 Fabric.

Aviation Products Systems Inc.

Atlas STC → DRS ↗
09/18/2009

STC SA00478CH (PAGE 1)

Installation of Cooper Superflite 102 Fabric.

Aviation Products Systems Inc.

Atlas STC → DRS ↗
06/26/2009

STC SA01734SE (PG 2)

Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.

Stewart Thomas D. and Stewart Dan R.

Atlas STC → DRS ↗
05/15/2009

STC SA00478CH (PAGE 1)

Installation of Cooper Superflite 102 Fabric.

Aviation Products Systems Inc.

Atlas STC → DRS ↗
04/21/2009

STC SA01669CH (PAGE 2)

Installation of Challenger Reusable Air Filters.

Challenger Aviation Products Inc.

Atlas STC → DRS ↗
04/16/2009

STC SA01988SE (PAGE 4)

Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P.

Electronics International Inc.

Atlas STC → DRS ↗
01/27/2009

STC SA01669CH (PAGE 2)

Installation of Challenger Reusable Air Filters.

Challenger Aviation Products Inc.

Atlas STC → DRS ↗
03/18/2008

STC SA01435SE (PAGE 1)

Installation of J.P. Instruments (JPI) Primary Engine Data Management System.

J P Instruments

Atlas STC → DRS ↗
04/02/2006

STC SA01240SE (2 OF 5)

Installation of secondary voltage indication system

Visual Instruments LLC

Atlas STC → DRS ↗
07/08/2005

STC SA00680SE (5 OF 6

Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.

Electronics International

Atlas STC → DRS ↗
03/12/2004

STC SA593CH (2 OF 5)

Install Champion SlickSTART magneto booster system.

Champion Aerospace LLC

Atlas STC → DRS ↗
11/10/2003

STC SA8075SW (PAGE 1)

Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER)

Razorback Fabrics Inc

Atlas STC → DRS ↗
12/31/2002

STC SA2095NM

Installation of a Warner R-550-3 engine; a Univair 220 propeller; Cleveland 6100X6 wheels and brakes; Scott 3200 tail wheel; and associated changes.

Great Lakes Aircraft Co. LLC

Atlas STC → DRS ↗
03/09/1999

STC SA00680SE (5 OF 6

Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.

Electronics International

Atlas STC → DRS ↗
08/09/1994

STC SA2095NM

Installation of a Warner R-550-3 engine; a Univair 220 propeller; Cleveland 6100X6 wheels and brakes; Scott 3200 tail wheel; and associated changes.

Swack Harvey R

Atlas STC → DRS ↗
07/15/1994

STC SA7965SW

Application of fabric and polyurethane finishing system.

Air Tech Coatings

Atlas STC → DRS ↗
03/09/1993

STC SA1626NM Page 1

Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)

Electronics International

Atlas STC → DRS ↗

+ 6 more STCs on file

07 / PMA replacement parts

FAA-approved replacement parts for GREAT LAKES 2T-1A

26 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.

RG-12LSA#https://drs.faa.gov/browse/excelExternalWindow/5F9F2BB23A50D0C5862581DE006902ED.0001##

Battery

Concorde Battery Corp replaces RG-12LSA
PMA holder →
RG-25XC#https://drs.faa.gov/browse/excelExternalWindow/946AAD8E805524B5862581DE006902EF.0001##

Battery

Concorde Battery Corp replaces RG-25XC
PMA holder →
MDL103216-000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199395150120240221143438.0001##

SkyView HDX Instrumentation

Dynon Avionics, Inc. replaces Modification Part
PMA holder →
APS66-10500#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120386300920221020170250.0001##

Brake Lining

Aviation Products Systems Inc replaces 066-10500
PMA holder →
151-0001#https://drs.faa.gov/browse/excelExternalWindow/CC4816E39E6621C2862574F7005FA885.0001##

Red Slave Assembly

Aeroflash Signal replaces GLAC P/N 00548-1
PMA holder →
150-0015#https://drs.faa.gov/browse/excelExternalWindow/0E3046CECE47077F862574F7005FA867.0001##

Beacon Light Flasher Assembly

Aeroflash Signal replaces Orig. Part
PMA holder →
SC-W/T-2592-DR#https://drs.faa.gov/browse/excelExternalWindow/0FF9E620B998BF1C8625764600501E3B.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
SC-W/G-2592-DR#https://drs.faa.gov/browse/excelExternalWindow/E3FE572B55F094318625764600501E65.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
W/T-2592-DR#https://drs.faa.gov/browse/excelExternalWindow/C56B13C7CC754DEB8625764600501DE2.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
W/G-2592-DR#https://drs.faa.gov/browse/excelExternalWindow/CFDE2414BE24DF0A8625764600501E0D.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
W-2592-DR#https://drs.faa.gov/browse/excelExternalWindow/C195C4961AF843688625764600501DC1.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
SC-W/G-2592#https://drs.faa.gov/browse/excelExternalWindow/A851BEF662FC39B78625764600501D95.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
SC-W/T-2592#https://drs.faa.gov/browse/excelExternalWindow/9269195EABCD6FE58625764600501D69.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
W/T-2592#https://drs.faa.gov/browse/excelExternalWindow/E9A11A2493C9EE968625764600501D1D.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
W/G-2592#https://drs.faa.gov/browse/excelExternalWindow/C7BC44F6FF2E75738625764600501D4A.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
SC-W/T-2591-DR#https://drs.faa.gov/browse/excelExternalWindow/CAA40A561FAE995E8625764600501C9B.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
SC-W/G-2591-DR#https://drs.faa.gov/browse/excelExternalWindow/051FC63429444B638625764600501CCD.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
W-2592#https://drs.faa.gov/browse/excelExternalWindow/DB85B5165B8C90518625764600501CF3.0001##

GREAT LAKES TALL WINDSHIELD

Great Lakes Aero Products replaces 40153-3
PMA holder →
W/T-2591-DR#https://drs.faa.gov/browse/excelExternalWindow/2272F5062D05A4ED8625764600501C4F.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
W/G-2591-DR#https://drs.faa.gov/browse/excelExternalWindow/7BEC64464C25DB288625764600501C79.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
SC-W/G-2591#https://drs.faa.gov/browse/excelExternalWindow/DBF49E42167980B08625764600501BEB.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
W-2591-DR#https://drs.faa.gov/browse/excelExternalWindow/956A9F756075A67B8625764600501C23.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
W/G-2591#https://drs.faa.gov/browse/excelExternalWindow/44F2BFD4D9D49A128625764600501B95.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
SC-W/T-2591#https://drs.faa.gov/browse/excelExternalWindow/681D35EE72E21AE88625764600501BC0.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
W/T-2591#https://drs.faa.gov/browse/excelExternalWindow/5BDF4BB470729AA08625764600501B58.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →
W-2591#https://drs.faa.gov/browse/excelExternalWindow/A38263F1246B04B88625764600501B26.0001##

GREAT LAKES FORWARD WINDSHIELD

Great Lakes Aero Products replaces 40153-7
PMA holder →

04 / Regulations watching this type

Advisory Circulars and Federal Register activity for GREAT LAKES 2T-1A

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).

05 / Aircraft of this type

All 35 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.

35 of 35

N-number	St	Year	Status	NTSB	FAA
N1130H	WI	1931	Active	·	Look up ↗
N11324	NM	1931	Active	●	Look up ↗
N11326	CA	—	Active	·	Look up ↗
N11333	CO	1931	Active	●	Look up ↗
N11334	TX	1931	Active	·	Look up ↗
N11336	GU	—	Active	·	Look up ↗
N11337	MI	—	Active	·	Look up ↗
N11338	WI	1931	Active	·	Look up ↗
N11339	IA	1932	Active	·	Look up ↗
N204K	NY	1929	Active	·	Look up ↗
N333H	CA	1928	Active	·	Look up ↗
N390H	NV	1972	Active	·	Look up ↗
N435Y	CO	—	Active	·	Look up ↗
N501GL	OK	1973	Active	·	Look up ↗
N502GL	CA	1973	Active	●	Look up ↗
N543K	CO	—	Active	·	Look up ↗
N647K	VA	1930	Active	·	Look up ↗
N648K	CA	—	Active	·	Look up ↗
N705K	GA	1929	Active	·	Look up ↗
N777P	FL	1929	Active	·	Look up ↗
N821K	IA	1931	Active	·	Look up ↗
N828K	FL	1932	Active	●	Look up ↗
N833K	SC	1930	Active	·	Look up ↗
N834K	WI	—	Active	·	Look up ↗
N837K	TN	—	Active	·	Look up ↗
N839K	OH	—	Active	·	Look up ↗
N841H	ND	1929	Active	·	Look up ↗
N849DD	IN	—	Active	·	Look up ↗
N856L	OH	1930	Active	●	Look up ↗
N863K	NH	1932	Active	●	Look up ↗
N864K	TN	—	Active	·	Look up ↗
N866K	IA	1930	Active	·	Look up ↗
N874K	CO	1929	Active	●	Look up ↗
N909N	NJ	1930	Active	●	Look up ↗
N915N	NM	1929	Active	·	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 →