Waco YKS-7
21 on the U.S. register. Built from 1937 to 1940; half of them date from 1937 or earlier. California has the most (4). 24% 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-7 from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Jacobs L4 /R755-7 (18), Ama/Expr Unknown Eng (2), Jacobs R-755B2 (1)
- Fuel
- 100LL avgas
- 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 November 20, 1973; newest April 16, 2026
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 13 | 62% |
| Corporation | 3 | 14% |
| Co-owned | 3 | 14% |
| LLC | 2 | 10% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| YKS-7 | 21 | 1937 to 1940 | 100.0% |
When they were built by decade · 2 with no year on file
Registration status
By status, as a table
| aircraft | share | |
|---|---|---|
| Valid | 20 | 95% |
| Renewal notice sent | 1 | 5% |
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 20 | 95% |
| None on file | 1 | 5% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| San Diego Air & Space Museum INC | 1 |
| Port Townsend Aero Museum | 1 |
| Newport/Signal Air INC | 1 |
| Gold Cap LLC | 1 |
| Consolidated Aero LLC | 1 |
Fleet pages: Port Townsend Aero Museum · Gold Cap LLC
Accident history NTSB records · 2 cases since 1982, 0 fatal
The 2 most recent of 2 cases where the NTSB's make and model match this family's versions. Each aircraft's own page also shows its record. How this model compares with others, with the fleet taken into account: Accidents by model in Aviation Analytics.
Questions people ask answers refresh every morning
How many Waco YKS-7 aircraft are registered in the U.S.?
21 as of November 6, 2026, counting 1 version the FAA records separately.
Which state has the most Waco YKS-7s?
California, with 4.
Who owns the Waco YKS-7?
24% 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-7s on the register built?
Between 1937 and 1940; half of them in 1937 or earlier.
How many Waco YKS-7 accidents has the NTSB recorded?
2 accidents and incidents since 1982, 0 of them fatal. A model flown more shows more; the accident analytics compare models per thousand registered.
What is the Waco YKS-7 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-7 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 (TC 626, held by The Waco Aircraft Company). No FAA order in the current files names this model. 15 approved modifications exist for it, the most by Electronics International.
Approved replacement parts 2 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: va andaccessories (1), remote mounted (1).
Approved modifications 15 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-7 links to the rest of the register
- Waco 657 aircraft on the register
- Waco YKS-7 21 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 18 of these aircraft · 245 hp
- Jacobs R-755B2 1 of these aircraft · 275 hp
- California 4 of these aircraft
- Washington 3 of these aircraft
- Ohio 2 of these aircraft
- New Hampshire 2 of these aircraft
- Illinois 2 of these aircraft
- San Diego Air & Space Museum INC 1 of these aircraft
- Port Townsend Aero Museum 1 of these aircraft
- Newport/Signal Air INC 1 of these aircraft
- Gold Cap LLC 1 of these aircraft
- Consolidated Aero LLC 1 of these aircraft
- NTSB accidents and incidents involving the YKS-7 2 cases since 1982 · 0 fatal
- Approved modifications for the YKS-7 15 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/waco/yks-7.json.
Aircraft newest certificates first · 21
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N2896D | Waco YKS-7 |
Port Townsend Aero Museum Port Townsend, Washington |
Standard | 2026-04-16 | ValidFAA registration status code V: Valid registration. All codes |
| N17737 | Waco YKS-7 |
Individual owner Michigan |
Standard | 2025-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N17473 | Waco YKS-7 |
Individual owner New Hampshire |
Standard | 2024-11-20 | ValidFAA registration status code V: Valid registration. All codes |
| N17464 | Waco YKS-7 |
Consolidated Aero LLC Gibsonville, North Carolina |
Standard | 2020-07-09 | ValidFAA registration status code V: Valid registration. All codes |
| N29370 | Waco YKS-7 |
Co-owned owner Florida |
Standard | 2020-03-16 | Renewal notice sentFAA registration status code 25: First notice for registration renewal. All codes |
| N2629 | Waco YKS-7 |
Individual owner Washington |
Standard | 2019-08-09 | ValidFAA registration status code V: Valid registration. All codes |
| N17474 | Waco YKS-7 |
Individual owner Illinois |
Standard | 2018-09-07 | ValidFAA registration status code V: Valid registration. All codes |
| N1937 | Waco YKS-7 |
Individual owner California |
Standard | 2018-08-22 | ValidFAA registration status code V: Valid registration. All codes |
| N17736 | Waco YKS-7 |
Individual owner Nebraska |
Standard | 2018-08-10 | ValidFAA registration status code V: Valid registration. All codes |
| N19373 | Waco YKS-7 |
Individual owner Wisconsin |
Standard | 2017-02-10 | ValidFAA registration status code V: Valid registration. All codes |
| N17734 | Waco YKS-7 |
Individual owner New Hampshire |
Standard | 2016-07-15 | ValidFAA registration status code V: Valid registration. All codes |
| N17713 | Waco YKS-7 |
San Diego Air & Space Museum INC San Diego, California |
Standard | 2011-06-28 | ValidFAA registration status code V: Valid registration. All codes |
| N17716 | Waco YKS-7 |
Co-owned owner Illinois |
Standard | 2011-03-30 | ValidFAA registration status code V: Valid registration. All codes |
| N17472 | Waco YKS-7 |
Newport/Signal Air INC Signal Hill, California |
Standard | 2009-10-29 | ValidFAA registration status code V: Valid registration. All codes |
| N17453 | Waco YKS-7 |
Co-owned owner Minnesota |
Standard | 2009-07-22 | ValidFAA registration status code V: Valid registration. All codes |
| N65201 | Waco YKS-7 |
Individual owner California |
Standard | 2008-08-14 | ValidFAA registration status code V: Valid registration. All codes |
| N17466 | Waco YKS-7 |
Individual owner Ohio |
Standard | 2006-07-26 | ValidFAA registration status code V: Valid registration. All codes |
| N19371 | Waco YKS-7 |
Individual owner Ohio |
None on file | 2004-06-08 | ValidFAA registration status code V: Valid registration. All codes |
| N19386 | Waco YKS-7 |
Individual owner Virginia |
Standard | 2002-10-24 | ValidFAA registration status code V: Valid registration. All codes |
| N17471 | Waco YKS-7 |
Gold Cap LLC Bremerton, Washington |
Standard | 2001-11-15 | ValidFAA registration status code V: Valid registration. All codes |
| N17462 | Waco YKS-7 |
Individual owner Oregon |
Standard | 1973-11-20 | ValidFAA registration status code V: Valid registration. All codes |