Type Record · As of May 3, 2026
WACO VKS-7
Fixed Wing Single Engine · CONT MOTOR W670 SERIES
Registered
5
Year Range
1937–1941
NTSB Events
0
Airworthiness Directives
0
Aircraft Resources
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered WACO VKS-7 aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- NC 20.0% 1
- IN 20.0% 1
- NJ 20.0% 1
- OH 20.0% 1
- MA 20.0% 1
By Decade of Manufacture
- 1930s 20.0% 1
- 1940s 60.0% 3
- Unknown 20.0% 1
02 / NTSB Records
Events involving WACO VKS-7 aircraft
No NTSB-recorded events match WACO VKS-7 in the indexed corpus.
03 / Airworthiness Directives
FAA directives applicable to WACO VKS-7
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for WACO VKS-7
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- ATC 648 Current Rev 0 · 06/08/1937
The Waco Aircraft Company
Models: UKS-7, VKS-7 (Army UC-72D), VKS-7F
06 / Supplemental Type Certificates
Modifications approved for WACO VKS-7
11 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
-
07/27/2022
STC SA01757WI
To allow the use of UL91 or UL94 (minimum) grade aviation fuel
Swift Fuels LLC
-
05/19/2022
STC SA04776NY (1 OF 2)
The HIPEC Covering and Finishing System must be performed and maintained
HIPEC Aircraft Coatings Inc.
-
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
-
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
-
06/26/2009
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.
-
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
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for WACO VKS-7
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 →