Type Record · As of May 3, 2026
HOWARD AIRCRAFT DGA-11
Fixed Wing Single Engine · P&W R-985 SERIES
Registered
5
Year Range
1937–1939
NTSB Events
0
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered HOWARD AIRCRAFT DGA-11 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- MT 40.0% 2
- TX 20.0% 1
- DE 20.0% 1
- CA 20.0% 1
By Decade of Manufacture
- 1930s 80.0% 4
- Unknown 20.0% 1
02 / NTSB Records
Events involving HOWARD AIRCRAFT DGA-11 aircraft
No NTSB-recorded events match HOWARD AIRCRAFT DGA-11 in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to HOWARD AIRCRAFT DGA-11
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for HOWARD AIRCRAFT DGA-11
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- TC 672 Historical Rev 1 · 10/12/2005
Howard Aircraft Foundation
Models: DGA-11
06 / Supplemental Type Certificates
Modifications approved for HOWARD AIRCRAFT DGA-11
27 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
09/26/2024
STC SA02594SE
SkyView HDX Instrumentation and Autopilot System manufactured
Dynon Avionics
-
08/21/2024
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
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
-
07/27/2022
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
05/18/2022
STC SA04776NY (2 OF2)
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
-
07/27/2020
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
02/11/2019
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
ADI LLC
-
12/20/2017
STC SA01282NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.
Airwolf Filter Corporation
-
01/24/2017
STC SA01831WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
05/20/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
03/09/2016
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Petersen Aviation Inc
-
10/28/2015
STC SA01757WI
To allow the use of UL91 (minimum) grade aviation fuel
Petersen Aviation Inc
-
06/30/2014
STC SA02283SE Page 1
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
-
06/24/2014
STC SA02402SE Page 1
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C
Electronics International Inc.
-
12/10/2013
STC SA02283SE Page 1
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
-
08/27/2013
STC SA02283SE Page 1
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
-
07/25/2013
STC SA02283SE Page 1
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P
Electronics International Inc.
-
10/31/2012
STC SA01282NY
Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830.
Airwolf Filter Corporation
-
02/25/2011
STC SA4503NM (Page 1)
Install Ceconite covering material.
Ceconite Division of Poly-Fiber Inc
-
10/20/2010
STC SA00068SE (PAGE 1)
Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1)
Electronics International Inc.
-
12/10/2009
STC SA2693NM (PAGE 1)
Installation of Electronics International digital volt/amp gauges and accessories.
Electronics International Inc.
-
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.
-
11/04/2004
STC SA02033AT (PAGE 3)
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
07 / PMA replacement parts
FAA-approved replacement parts for HOWARD AIRCRAFT DGA-11
1 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.
-
MDL103216-000#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189012509520240221143423.0001##
SkyView HDX Instrumentation
Dynon Avionics, Inc. replaces Modification Part
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for HOWARD AIRCRAFT DGA-11
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 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.
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 →