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Type Record · As of May 3, 2026

MONOCOUPE 90AF

Fixed Wing Single Engine · FRANKLIN 4AC199D&E SER

Registered

5

Year Range

1940–1945

NTSB Events

0

Airworthiness Directives

0

Aircraft Resources

Engine · Franklin Engine Corp (PZL-Aero) → Search FAA TCDS →

01 /  Distribution

Where the fleet lives and was built

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

By State (top 10)

  • MA 20.0% 1
  • OK 20.0% 1
  • NM 20.0% 1
  • MO 20.0% 1
  • PA 20.0% 1

By Decade of Manufacture

  • 1940s 100.0% 5

02 /  NTSB Records

Events involving MONOCOUPE 90AF aircraft

No NTSB-recorded events match MONOCOUPE 90AF in the indexed corpus.

03 /  Airworthiness Directives

FAA directives applicable to MONOCOUPE 90AF

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 90AF

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

    Atlas TCDS → DRS ↗

06 /  Supplemental Type Certificates

Modifications approved for MONOCOUPE 90AF

38 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

    Atlas STC → DRS ↗

  • 03/01/2025

    STC SA7965SW

    Application of fabric and polyurethane finishing system.

    Shady Aviation LLC

    Atlas STC → DRS ↗

  • 09/26/2024

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

    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 ↗

  • 10/12/2022

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

    Atlas STC → DRS ↗

  • 09/09/2022

    STC SA4503NM (PAGE 1)

    Install Ceconite covering material.

    Ceconite Division of Poly-Fiber Inc

    Atlas STC → DRS ↗

  • 09/01/2022

    STC SA01967WI (2 OF3)

    Use of GAMI G100UL High Octane Unleaded Avgas

    General Aviation Modifications Inc.

    Atlas STC → DRS ↗

  • 05/19/2022

    STC SA04776NY (1 OF 2)

    The HIPEC Covering and Finishing System must be performed and maintained

    HIPEC Aircraft Coatings Inc.

    Atlas STC → DRS ↗

  • 01/05/2022

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

    Atlas STC → DRS ↗

  • 12/20/2021

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

    Atlas STC → DRS ↗

  • 11/09/2020

    STC SA02594SE

    SkyView HDX Instrumentation and Autopilot System manufactured

    Dynon Avionics

    Atlas STC → DRS ↗

  • 10/19/2020

    STC SA001410BO

    Entered in Error - See SA00410BO

    uAvionix Corporation

    Atlas STC → DRS ↗

  • 08/31/2020

    STC SA00410BO

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

    uAvionix Corporation

    Atlas STC → DRS ↗

  • 08/31/2020

    STC SA001410BO

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

    uAvionix Corporation

    Atlas STC → DRS ↗

  • 03/01/2018

    STC SA7965SW

    Application of fabric and polyurethane finishing system.

    Air Tech Coatings

    Atlas STC → DRS ↗

  • 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

    Atlas STC → DRS ↗

  • 06/09/2016

    STC SA00081NY

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

    Alcor Inc.

    Atlas STC → DRS ↗

  • 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.

    Atlas STC → DRS ↗

  • 06/04/2015

    STC SA00478CH

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

    Atlas STC → DRS ↗

  • 05/10/2012

    STC SA00478CH

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

    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 ↗

  • 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.

    Atlas STC → DRS ↗

  • 02/25/2011

    STC SA4503NM (Page 1)

    Install Ceconite covering material.

    Ceconite Division of Poly-Fiber 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 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.

    Atlas STC → DRS ↗

  • 05/15/2009

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

    Atlas STC → DRS ↗

  • 05/23/2008

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

    Atlas STC → DRS ↗

  • 05/15/2007

    STC SA00478CH (PAGE 1)

    Installation of Cooper Superflite 102 Fabric.

    Aviation Products Systems Inc.

    Atlas STC → DRS ↗

+ 8 more STCs on file

04 /  Regulations watching this type

Advisory Circulars and Federal Register activity for MONOCOUPE 90AF

05 /  Aircraft of this type

All 5 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.

5 of 5
N-number St Year NTSB FAA
N18192 MA 1941 · Look up ↗
N18195 OK 1941 · Look up ↗
N38910 NM 1940 · Look up ↗
N38927 MO 1942 · Look up ↗
N52271 PA 1945 · 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 →