Waco UBF
13 on the U.S. register. Built from 1932 to 1933; half of them date from 1932 or earlier. Texas has the most (2). 46% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.
About the UBF from the FAA's model table
- Type
- Fixed-wing, single engine · Piston singles
- Power
- Piston (reciprocating), 1 engine
- Common engines
- Cont Motor W670 Series (7), Cont Motor R670-Series (5), Cont Motor W670-6N (1)
- Seats
- 3
- Cruise speed
- about 79 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 June 18, 1990; newest August 7, 2026
Where they are owner's state
Who owns them registrant type
By owner type, as a table
| aircraft | share | |
|---|---|---|
| Individual | 6 | 46% |
| LLC | 3 | 23% |
| Corporation | 3 | 23% |
| Co-owned | 1 | 8% |
Versions as the FAA records them · click one to list only those aircraft
| Version | Registered | Built | Share |
|---|---|---|---|
| UBF | 13 | 1932 to 1933 | 100.0% |
Airworthiness certificate class
By airworthiness certificate, as a table
| aircraft | share | |
|---|---|---|
| Standard | 12 | 92% |
| Restricted | 1 | 8% |
Biggest operators companies, schools and clubs
Largest fleets, as a table
| aircraft | |
|---|---|
| Western Antique Aeroplane & Automobile Museum | 1 |
| Texas Barnstorming Museum | 1 |
| Period Aviation LLC | 1 |
| Owls Head Transportation Museum | 1 |
| Flyboy LLC | 1 |
| Dream Waco LLC | 1 |
Fleet pages: Western Antique Aeroplane & Automobile Museum · Texas Barnstorming Museum · Owls Head Transportation Museum · Dream Waco 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 UBF aircraft are registered in the U.S.?
13 as of October 30, 2026, counting 1 version the FAA records separately.
Which state has the most Waco UBFs?
Texas, with 2.
Who owns the Waco UBF?
46% 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 UBFs on the register built?
Between 1932 and 1933; half of them in 1932 or earlier.
How many Waco UBF 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 UBF 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 UBF 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 (ATC 473, held by The Waco Aircraft Company). No FAA order in the current files names this model. Operators and repair shops have filed 2 failure reports with the FAA since 2015, 2 of them in the last ten years: about 15.4 a year for every 100 aircraft on the register; the system most often named is engine. 1 approved modification exist for it, the most by Cooper Engineering Corporation.
Failure reports 2 since 2015 · what operators and shops told the FAA
Failure reports by year, as a table
| reports | |
|---|---|
| 15 | 2 |
By system
Parts most often reported as the reports name them
Latest reports
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: drain valve (2).
Approved modifications 1 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 UBF links to the rest of the register
- Waco 657 aircraft on the register
- Waco UBF 13 registered
- Built of steel tube, wood and fabric · A biplane of the 1920s and 1930s: steel-tube fuselage, wooden wings, fabric covering.
- Continental W670 series 7 of these aircraft · 250 hp
- Continental R670-series 5 of these aircraft · 225 hp
- Continental W670-6N 1 of these aircraft · 220 hp
- Western Antique Aeroplane & Automobile Museum 1 of these aircraft
- Texas Barnstorming Museum 1 of these aircraft
- Period Aviation LLC 1 of these aircraft
- Owls Head Transportation Museum 1 of these aircraft
- Flyboy LLC 1 of these aircraft
- NTSB accidents and incidents involving the UBF 2 cases since 1982 · 0 fatal
- Failure reports filed on the UBF 2 reports since 1995
- Approved modifications for the UBF 1 supplemental type certificates
The whole map of how records connect · these connections as data: /graph/model/waco/ubf.json.
Aircraft newest certificates first · 13
| Tail no. | Maker and model | Owner and base | Certificate | Registered | Status |
|---|---|---|---|---|---|
| N12443 | Waco UBF |
Individual owner North Dakota |
Standard | 2026-08-07 | ValidFAA registration status code V: Valid registration. All codes |
| N13071 | Waco UBF |
Period Aviation LLC Babylon, New York |
Standard | 2026-04-23 | ValidFAA registration status code V: Valid registration. All codes |
| N13446 | Waco UBF |
Co-owned owner Massachusetts |
Restricted | 2025-09-14 | ValidFAA registration status code V: Valid registration. All codes |
| N13074 | Waco UBF |
Individual owner Minnesota |
Standard | 2025-05-01 | ValidFAA registration status code V: Valid registration. All codes |
| N13419 | Waco UBF |
Individual owner Texas |
Standard | 2025-04-03 | ValidFAA registration status code V: Valid registration. All codes |
| N13444 | Waco UBF |
Dream Waco LLC Oklahoma City, Oklahoma |
Standard | 2022-11-28 | ValidFAA registration status code V: Valid registration. All codes |
| N155Y | Waco UBF |
Texas Barnstorming Museum Hallettsville, Texas |
Standard | 2022-08-13 | ValidFAA registration status code V: Valid registration. All codes |
| N12002 | Waco UBF |
Individual owner Tennessee |
Standard | 2021-09-10 | ValidFAA registration status code V: Valid registration. All codes |
| N1244G | Waco UBF |
Flyboy LLC Tampa, Florida |
Standard | 2017-10-26 | ValidFAA registration status code V: Valid registration. All codes |
| N2091K | Waco UBF |
Individual owner Missouri |
Standard | 2012-09-24 | ValidFAA registration status code V: Valid registration. All codes |
| N13027 | Waco UBF |
Western Antique Aeroplane & Automobile Museum Hood River, Oregon |
Standard | 2012-07-13 | ValidFAA registration status code V: Valid registration. All codes |
| N13075 | Waco UBF |
Individual owner Oregon |
Standard | 2009-09-23 | ValidFAA registration status code V: Valid registration. All codes |
| N13442 | Waco UBF |
Owls Head Transportation Museum Owls Head, Maine |
Standard | 1990-06-18 | ValidFAA registration status code V: Valid registration. All codes |