Waco YKS-6
15 on the U.S. register. Built from 1936 to 1939; half of them date from 1936 or earlier. Ohio has the most (3). 33% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
About the YKS-6 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Jacobs L4 /R755-7 (13), Cont Motor W670 Series (1), Ama/Expr Unknown Eng (1)
- Seats
- 5
- Cruise speed
- about 123 mph
- Built of
- steel tube, wood and fabric · A biplane of the 1920s and 1930s: steel-tube fuselage, wooden wings, fabric covering.
- Maker on the register
- Waco
- Registered
- earliest certificate December 28, 1981; newest August 5, 2026
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 9 | 60% |
| Corporation | 3 | 20% |
| LLC | 2 | 13% |
| Co-owned | 1 | 7% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| YKS-6 | 15 | 1936 to 1939 | 100.0% |
Airworthiness certificate class
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Waco of Cross LLC | 1 |
| Waco Air Museum and Aviation Learning Center | 1 |
| Southern Aircraft Consultancy INC Trustee | 1 |
| Dream Waco LLC | 1 |
| Cal-Aerofab Flight Academy | 1 |
Fleet pages: Southern Aircraft Consultancy INC Trustee · Dream Waco LLC
Accident history NTSB records · 0 cases since 1982, 0 fatal
No NTSB accident or incident records match this family's versions. Each aircraft's own page also shows its record. How models compare: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Waco YKS-6 aircraft are registered in the U.S.?
15 as of October 23, 2026, counting 1 version the FAA records separately.
Which state has the most Waco YKS-6s?
Ohio, with 3.
Who owns the Waco YKS-6?
33% are registered to companies, flight schools, clubs and other organisations; the rest to individuals and co-owners, who are not named on this site at this time.
When were the Waco YKS-6s on the register built?
Between 1936 and 1939; half of them in 1936 or earlier.
What is the Waco YKS-6 made of?
A welded steel-tube fuselage and wooden wings, all covered in fabric: the construction of the 1930s and 1940s, which makes wood rot and fabric age the inspection items. A biplane of the 1920s and 1930s: steel-tube fuselage, wooden wings, fabric covering. The FAA's type certificate data sheet is the authority for any one model.
What the FAA has certified, ordered and been told about the Waco YKS-6 the component layer
A welded steel-tube fuselage and wooden wings, all covered in fabric: the construction of the 1930s and 1940s, which makes wood rot and fabric age the inspection items. A biplane of the 1920s and 1930s: steel-tube fuselage, wooden wings, fabric covering. The design is held under 1 type certificate (A-533, held by The Waco Aircraft Company). No FAA order in the current files names this model. 18 approved modifications exist for it, the most by J P Instruments.
Approved replacement parts 4 parts manufacturer approvals
Parts a company other than the maker may make for this design and sell as FAA-approved. The companies holding the most:
Most often: operation of (2), remote mounted (1), fabric (1).
Approved modifications 18 supplemental type certificates
Changes the FAA has approved for this design, from new avionics and engines to floats and parachutes. The companies holding the most:
Latest
Certificates and bulletins
Sources: the FAA's type certificate data sheets, airworthiness directives, supplemental type certificates, special conditions and special airworthiness information bulletins (Dynamic Regulatory System), and the FAA's service difficulty reports. A failure report is what an operator or repair station chose to file; the counts show reporting as much as reliability, and larger and commercial fleets report more. How the systems are grouped.
Connections how the YKS-6 links to the rest of the register
- Waco 657 aircraft on the register
- Waco YKS-6 15 registered
- Built of steel tube, wood and fabric · A biplane of the 1920s and 1930s: steel-tube fuselage, wooden wings, fabric covering.
- Jacobs L4 /R755-7 13 of these aircraft · 245 hp
- Continental W670 series 1 of these aircraft · 250 hp
- Ohio 3 of these aircraft
- California 3 of these aircraft
- Wyoming 2 of these aircraft
- Washington 1 of these aircraft
- Tennessee 1 of these aircraft
- Waco of Cross LLC 1 of these aircraft
- Waco Air Museum and Aviation Learning Center 1 of these aircraft
- Southern Aircraft Consultancy INC Trustee 1 of these aircraft
- Dream Waco LLC 1 of these aircraft
- Cal-Aerofab Flight Academy 1 of these aircraft
- NTSB accidents and incidents involving the YKS-6 0 cases since 1982 · 0 fatal
- Approved modifications for the YKS-6 18 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/waco/yks-6.json.
Aircraft newest certificates first · 15
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N15720 | Waco YKS-6 |
Cal-Aerofab Flight Academy Chino, California |
Standard | 2026-08-05 | ValidFAA registration status code V: Valid registration. All codes |
| N16508 | Waco YKS-6 |
Individual owner Georgia |
Standard | 2026-03-19 | ValidFAA registration status code V: Valid registration. All codes |
| N16512 | Waco YKS-6 |
Southern Aircraft Consultancy INC Trustee Casper, Wyoming |
Standard | 2026-02-11 | ValidFAA registration status code V: Valid registration. All codes |
| N16249 | Waco YKS-6 |
Individual owner Tennessee |
Standard | 2024-12-10 | ValidFAA registration status code V: Valid registration. All codes |
| N16507 | Waco YKS-6 |
Individual owner Ohio |
Standard | 2024-12-06 | ValidFAA registration status code V: Valid registration. All codes |
| N16522 | Waco YKS-6 |
Individual owner Wyoming |
Standard | 2024-10-30 | ValidFAA registration status code V: Valid registration. All codes |
| N16576 | Waco YKS-6 |
Dream Waco LLC Oklahoma City, Oklahoma |
Standard | 2023-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N16211 | Waco YKS-6 |
Individual owner Washington |
Standard | 2019-02-25 | ValidFAA registration status code V: Valid registration. All codes |
| N16580 | Waco YKS-6 |
Individual owner California |
Standard | 2017-12-27 | ValidFAA registration status code V: Valid registration. All codes |
| N34214 | Waco YKS-6 |
Waco Air Museum and Aviation Learning Center Troy, Ohio |
Standard | 2017-06-22 | ValidFAA registration status code V: Valid registration. All codes |
| N16517 | Waco YKS-6 |
Individual owner Illinois |
Standard | 2015-09-01 | ValidFAA registration status code V: Valid registration. All codes |
| N16598 | Waco YKS-6 |
Waco of Cross LLC Cross, South Carolina |
Standard | 2011-04-13 | ValidFAA registration status code V: Valid registration. All codes |
| N16246 | Waco YKS-6 |
Individual owner Ohio |
Standard | 2009-08-11 | ValidFAA registration status code V: Valid registration. All codes |
| N16241 | Waco YKS-6 |
Co-owned owner Florida |
Standard | 2008-04-25 | ValidFAA registration status code V: Valid registration. All codes |
| N16588 | Waco YKS-6 |
Individual owner California |
Standard | 1981-12-28 | ValidFAA registration status code V: Valid registration. All codes |