Type Record · As of May 3, 2026
WACO 10
Fixed Wing Single Engine · CURTISS OXX-6
Registered
11
Year Range
1927–1965
NTSB Events
1
Airworthiness Directives
13
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered WACO 10 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- IL 18.2% 2
- OH 18.2% 2
- PA 9.1% 1
- CA 9.1% 1
- MT 9.1% 1
- ND 9.1% 1
- OR 9.1% 1
- NY 9.1% 1
- TX 9.1% 1
By Decade of Manufacture
- 1920s 54.5% 6
- 1960s 9.1% 1
- Unknown 36.4% 4
02 / NTSB Records
Events involving WACO 10 aircraft
1 event(s) on file. Showing the most recent 1.
-
Nov 18, 1995
N950ERIDGELAND, South Carolina
NTSB Docket →
02c / Academic Research
Scholarly work mentioning WACO 10
Papers and reports across NASA, NTSB, FAA CAMI, AOPA ASI, Embry-Riddle, arXiv, and the broader academic graph that mention this airframe. Title or keyword match — drill into each for full abstract + author list + PDF link.
- Embry-Riddle Scholarly Commons 2025 · Journal article (JAAER)
A Systemic Analysis of Helicopter Instructional Accidents in the United States from 2010 to 2022
A high number of accidents during helicopter training in the United States (U.S.) highlights the need for research to investigate their causal and contributing factors.
- Embry-Riddle Scholarly Commons 2020 · Journal article (IJAAA)
An Evaluation of the Operational Restrictions Imposed to Congonhas Airport by Civil Aviation Instruction121-1013
Due to aircraft accidents, in 2008, operational restrictions were imposed on Congonhas airport by IAC 121-1013. These restrictions sought to create a balance between flight safety and operational effi…
- NASA NTRS 2019 · Presentation
The Winter 2010 and 2011 FRONT/NIRSS In-Flight Icing Hazard Detection Project
The NASA Icing Remote Sensing System (NIRSS) deploys a vertically-pointing K-band radar, a lidar ceiliometer, and a profiling microwave radiometer to obtain measurements for diagnosing local inflight …
- NASA NTRS 2019 · Conference Proceedings
Selected Papers and Presentations Presented at MODSIM World 2010 Conference and Expo
MODSIM World 2010 was held in Hampton, Virginia, October 13-15, 2010. The theme of the 2010 conference & expo was "21st Century Decision-Making: The Art of Modeling& Simulation".
- NASA NTRS 2019 · Contractor Report (CR)
Frequency of Specific Categories of Aviation Accidents and Incidents During 2001-2010
The purpose of this study was to determine the types of accidents or incidents that are most important to the aviation safety risk.
- NASA NTRS 2019 · Contractor Report (CR)
DHC-6 Twin Otter Tailplane Airfoil Section Testing in the Ohio State University 7x10 Wind Tunnel
Ice contaminated tailplane stall (ICTS) has been found to be responsible for 16 accidents with 139 fatalities over the last three decades, and is suspected to have played a role in other accidents and…
Browse the full corpus — academia portal ↗
03 / Airworthiness Directives
FAA directives applicable to WACO 10
13 directive(s) on file. Showing the most recent 13.
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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…
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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…
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Feb 14, 2022
Airworthiness Directives; Various Airplanes
The FAA is adopting a new airworthiness directive (AD) for various airplanes modified with certain configurations of Garmin G3X Touch Electronic Flight Instrument System installed per Supplemental Type Certificate (STC) No. SA01899WI or Garmin GI 275 Multi-Function Display (MFD) installed per STC No. SA02658SE. This A…
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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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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…
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Mar 16, 2009
Airworthiness Directives; Trimble or FreeFlight Systems 2101 I/O Approach Plus Global Positioning System (GPS) Navigation Systems
This amendment adopts a new airworthiness directive (AD) for the Trimble or FreeFlight Systems 2101 I/O Approach Plus global positioning system (GPS) navigation system (2101 I/O Approach Plus system) that requires a software upgrade for this system. This amendment is prompted by an incident that led to the discovery o…
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Mar 2, 2001
Airworthiness Directives; Airbus Model A340-211 Series Airplanes Modified by Supplemental Type Certificate ST09092AC-D
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Airbus Model A340-211 series airplanes modified by supplemental type certificate ST09092AC-D. This proposal would require modifying the passenger entertainment system (PES) and revising the Flight Crew Operating Manual.…
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Mar 2, 2001
Airworthiness Directives; Boeing Model 747-400 Series Airplanes Modified by Supplemental Type Certificate SA8843SW
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Boeing Model 747-400 series airplanes modified by supplemental type certificate SA8843SW. This proposal would require modifying the passenger entertainment system (PES) installed by that STC and revising the Airplane Fl…
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Mar 2, 2001
Airworthiness Directives; Boeing Model 747SP Series Airplanes Modified by Supplemental Type Certificate ST09097AC-D
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Boeing Model 747SP series airplanes modified by supplemental type certificate ST09097AC-D. This proposal would require modifying the passenger entertainment system (PES) installed by that STC and revising the Airplane F…
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Mar 2, 2001
Airworthiness Directives; Boeing Model 767-200 Series Airplanes Modified by Supplemental Type Certificate ST09022AC-D
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Boeing Model 767-200 series airplanes modified by supplemental type certificate ST09022AC-D. This proposal would require modifying the passenger entertainment system (PES) and revising the Airplane Operations Manual. Th…
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Mar 2, 2001
Airworthiness Directives; Boeing Model 737-700IGW Series Airplanes Modified by Supplemental Type Certificate ST09100AC-D, ST09104AC-D, ST09105AC-D, or ST09106AC-D
This document proposes the adoption of a new airworthiness directive (AD) that is applicable to all Boeing Model 737-700IGW series airplanes modified by supplemental type certificate ST09100AC-D, ST09104AC-D, ST09105AC-D, or ST09106AC-D. This proposal would require modifying the passenger entertainment system (PES) in…
06 / Supplemental Type Certificates
Modifications approved for WACO 10
28 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
08/21/2024
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
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05/17/2024
STC SA4503NM (PAGE 2)
Remove original cloth covering and install Ceconite covering
Ceconite Division of Poly-Fiber Inc.
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09/09/2022
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc
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07/27/2022
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
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05/19/2022
STC SA04776NY (1 OF 2)
The HIPEC Covering and Finishing System must be performed and maintained
HIPEC Aircraft Coatings Inc.
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07/27/2020
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
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02/11/2019
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
ADI LLC
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01/24/2017
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
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05/20/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
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03/09/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Petersen Aviation Inc
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10/28/2015
STC SA01757WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
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06/04/2015
STC SA00478CH
Installation of Cooper Superflite 102 Fabric.
Aviation Products Systems Inc.
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06/30/2014
STC SA02283SE Page 2
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
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06/24/2014
STC SA02402SE Page 2
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C
Electronics International Inc.
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12/10/2013
STC SA02283SE Page 2
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
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08/27/2013
STC SA02283SE Page 2
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
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07/25/2013
STC SA02283SE Page 2
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
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05/10/2012
STC SA00478CH
Installation of Cooper Superflite 102 Fabric.
Aviation Products Systems Inc.
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02/25/2011
STC SA4503NM (PAGE 2)
Install Ceconite covering material.
Ceconite Division of Poly-Fiber Inc
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06/26/2009
STC SA01734SE (PG 4)
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.
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07/24/2008
STC SA02033AT (PAGE 5)
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW)
M-20 Oil Separators LLC
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11/04/2004
STC SA02033AT (PAGE 2)
Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line (47J series w stc's SH4-235SW, SH4-826SW or SH479SW)
M-20 Oil Separators LLC
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05/27/2003
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc.
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05/27/2003
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber Inc
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03/31/1997
STC SA8075SW (PAGE 1)
Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER)
Razorback Fabrics Inc
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04/07/1994
STC SA7965SW
Application of fabric and polyurethane finishing system.
Air Tech Coatings
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10/06/1992
STC SA1008WE
Installation of Poly-Fiber covering material.
Poly-Fiber, Inc
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08/18/1983
STC SA1351WE (PG 2)
Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)
Ceconite Inc
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for WACO 10
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 11 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 |
|---|---|---|---|---|
| N4495 | IL | 1928 | · | Look up ↗ |
| N4668 | PA | 1965 | · | Look up ↗ |
| N4779 | CA | 1927 | · | Look up ↗ |
| N4832C | MT | — | · | Look up ↗ |
| N5132 | ND | 1928 | · | Look up ↗ |
| N6507 | OH | — | · | Look up ↗ |
| N6513 | OR | 1928 | · | Look up ↗ |
| N748E | IL | 1929 | · | Look up ↗ |
| N8545 | OH | — | · | Look up ↗ |
| N940 | NY | — | · | Look up ↗ |
| N950E | TX | 1928 | ● | 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 →