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Type Record · As of May 3, 2026

MONOCOUPE 90A

Fixed Wing Single Engine · LAMBERT R266

Registered

41

Year Range

1930–1941

NTSB Events

7

Airworthiness Directives

0

01 /  Distribution

Where the fleet lives and was built

Counts of currently-registered MONOCOUPE 90A aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.

By State (top 10)

  • LA 17.1% 7
  • NC 7.3% 3
  • CA 7.3% 3
  • WI 7.3% 3
  • IL 7.3% 3
  • PA 4.9% 2
  • OR 4.9% 2
  • TX 4.9% 2
  • NY 4.9% 2
  • OK 4.9% 2

+12 more states

By Decade of Manufacture

  • 1930s 68.3% 28
  • 1940s 9.8% 4
  • Unknown 22.0% 9

02 /  NTSB Records

Events involving MONOCOUPE 90A aircraft

7 event(s) on file. Showing the most recent 7.

03 /  Airworthiness Directives

FAA directives applicable to MONOCOUPE 90A

No matching airworthiness directives are on file for this make and model in the Federal Register.

04 /  Type Certificate Data Sheets

FAA TCDS for MONOCOUPE 90A

The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.

  • A-306 Historical Rev 12 · 10/25/2011

    Monocoupe Corporation

    Models: 90AL-115, 90A, 90AF-100, 90 + 1 more

06 /  Supplemental Type Certificates

Modifications approved for MONOCOUPE 90A

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

  • 05/27/2025

    STC SA00081NY

    Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.

    Alcor LLC

  • 03/01/2025

    STC SA7965SW

    Application of fabric and polyurethane finishing system.

    Shady Aviation LLC

  • 09/26/2024

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

  • 05/17/2024

    STC SA4503NM (PAGE 1)

    Remove original cloth covering and install Ceconite covering

    Ceconite Division of Poly-Fiber Inc.

  • 10/12/2022

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

  • 09/09/2022

    STC SA4503NM (PAGE 1)

    Install Ceconite covering material.

    Ceconite Division of Poly-Fiber Inc

  • 09/01/2022

    STC SA01967WI (2 OF3)

    Use of GAMI G100UL High Octane Unleaded Avgas

    General Aviation Modifications Inc.

  • 05/19/2022

    STC SA04776NY (1 OF 2)

    The HIPEC Covering and Finishing System must be performed and maintained

    HIPEC Aircraft Coatings Inc.

  • 01/05/2022

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

  • 12/20/2021

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

  • 11/09/2020

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

  • 10/19/2020

    STC SA001410BO

    Entered in Error - See SA00410BO

    uAvionix Corporation

  • 08/31/2020

    STC SA00410BO

    Installation of an AV-30-C Multi-Mode Indicator

    uAvionix Corporation

  • 08/31/2020

    STC SA001410BO

    Installation of an AV-30-C Multi-Mode Indicator

    uAvionix Corporation

  • 03/01/2018

    STC SA7965SW

    Application of fabric and polyurethane finishing system.

    Air Tech Coatings

  • 10/14/2016

    STC SA01734SE (PG 3)

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

    Andrew D. Humphrey

  • 06/09/2016

    STC SA00081NY

    Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.

    Alcor Inc.

  • 06/10/2015

    STC SA01734SE (PG 3)

    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.

  • 06/04/2015

    STC SA00478CH

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 05/10/2012

    STC SA00478CH

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 10/19/2011

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 09/14/2011

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 03/23/2011

    STC SA01734SE (PG 3)

    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.

  • 02/25/2011

    STC SA4503NM (Page 1)

    Install Ceconite covering material.

    Ceconite Division of Poly-Fiber Inc

  • 02/01/2010

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 09/18/2009

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 06/26/2009

    STC SA01734SE (PG 3)

    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.

  • 05/15/2009

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 05/23/2008

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

  • 05/15/2007

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

+ 9 more STCs on file

05 /  Aircraft of this type

All 41 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.

41 of 41
N-number St Year NTSB FAA
N11735 ND 1934 · Look up ↗
N11737 UT Look up ↗
N11747 NC 1934 · Look up ↗
N11750 PA 1934 · Look up ↗
N11751 GA 1934 · Look up ↗
N11754 OR 1934 · Look up ↗
N11760 TX 1934 Look up ↗
N11761 NC · Look up ↗
N11767 KY 1935 · Look up ↗
N11768 NY 1935 Look up ↗
N11776 CA 1935 · Look up ↗
N11777 LA 1935 · Look up ↗
N11782 CA · Look up ↗
N11783 LA 1935 · Look up ↗
N11787 WI 1935 · Look up ↗
N11793 OH 1936 Look up ↗
N11795 CA 1937 · Look up ↗
N11797 LA 1937 · Look up ↗
N15427 TN 1930 · Look up ↗
N15429 WI 1936 · Look up ↗
N15437 IL 1936 · Look up ↗
N15440 OK 1936 · Look up ↗
N16423 WI · Look up ↗
N16426 DE 1937 · Look up ↗
N16427 LA 1937 · Look up ↗
N18056 IL 1937 · Look up ↗
N18062 IL 1938 Look up ↗
N18166 OR 1940 · Look up ↗
N18168 NY · Look up ↗
N18176 IN 1941 Look up ↗
N18184 LA 1941 · Look up ↗
N18186 WA · Look up ↗
N19423 AZ 1938 · Look up ↗
N19424 TX 1938 · Look up ↗
N19430 FL · Look up ↗
N19433 PA 1939 · Look up ↗
N19434 LA 1939 · Look up ↗
N19437 LA · Look up ↗
N2701C MO · Look up ↗
N38917 OK 1941 · Look up ↗
N410Y NC 1936 · 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

We render counts and lists as the agency publishes them. Read the methodology →