The U.S. aircraft register, updated daily
Models · Waco · Piston singles · data as of October 30, 2026

Waco BSO

14 on the U.S. register. Built from 1929. Arizona has the most (5). 21% are registered to companies, flight schools, clubs and other organisations; the rest to individuals, who are not named here at this time.

About the BSO from the FAA's model table

Type
Fixed-wing, single engine · Piston singles
Power
Piston (reciprocating), 1 engine
Common engines
Cont Motor R670-Series (3), Cont Motor W670 Series (2), Wright R760 (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 April 30, 1976; newest March 25, 2020

Who owns them registrant type

By owner type, as a table
aircraftshare
Individual1071%
LLC214%
Corporation17%
Co-owned17%

Versions as the FAA records them · click one to list only those aircraft

VersionRegisteredBuiltShare
BSO141929100.0%

When they were built by decade · 7 with no year on file

0245771920
By decade built, as a table
aircraft
19207

Registrations by year certificates issued since 2010, including changes of owner · 2026 is the year so far

Registrations by year, as a table
aircraft
20131
20141
20171
20193
20201

Registration status

By status, as a table
aircraftshare
Valid14100%

Airworthiness certificate class

By airworthiness certificate, as a table
aircraftshare
Restricted536%
None on file536%
Experimental321%
Standard17%

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 BSO aircraft are registered in the U.S.?

14 as of October 30, 2026, counting 1 version the FAA records separately.

Which state has the most Waco BSOs?

Arizona, with 5.

Who owns the Waco BSO?

21% 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 BSOs on the register built?

In 1929.

What is the Waco BSO 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 BSO 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 168, held by The Waco Aircraft Company). No FAA order in the current files names this model.

Approved replacement parts 3 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), fuel quantity (1), fuel placard (1).

Certificates and bulletins

ATC 168Type certificate held by The Waco Aircraft Company · 1 model listed

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 BSO links to the rest of the register

Design
Engines
Where they are
Biggest operators
Record

The whole map of how records connect · these connections as data: /graph/model/waco/bso.json.

Aircraft newest certificates first · 14

Tail no.Maker and modelOwner and baseCertificateRegisteredStatus
N752K Waco
BSO
Hawk Aviation LLC
Springville, New York
Restricted 2020-03-25 ValidFAA registration status code V: Valid registration. All codes
N945H Waco
BSO
Individual owner
Virginia
Experimental 2019-05-24 ValidFAA registration status code V: Valid registration. All codes
N703K Waco
BSO
Individual owner
Arizona
None on file 2019-01-29 ValidFAA registration status code V: Valid registration. All codes
N959H Waco
BSO
Individual owner
Arizona
None on file 2019-01-29 ValidFAA registration status code V: Valid registration. All codes
N940H Waco
BSO
Co-owned owner
Indiana
Restricted 2017-03-20 ValidFAA registration status code V: Valid registration. All codes
N261M Waco
BSO
Old Style Aircraft LLC
Ellsinore, Missouri
Experimental 2014-11-18 ValidFAA registration status code V: Valid registration. All codes
N8543 Waco
BSO
Western Antique Aeroplane & Automobile Museum
Hood River, Oregon
Restricted 2013-08-26 ValidFAA registration status code V: Valid registration. All codes
N786K Waco
BSO
Individual owner
Mississippi
Standard 2009-10-20 ValidFAA registration status code V: Valid registration. All codes
N704K Waco
BSO
Individual owner
Arizona
None on file 2009-03-25 ValidFAA registration status code V: Valid registration. All codes
N751K Waco
BSO
Individual owner
Arizona
None on file 2009-02-27 ValidFAA registration status code V: Valid registration. All codes
N958H Waco
BSO
Individual owner
Arizona
None on file 2009-01-23 ValidFAA registration status code V: Valid registration. All codes
N765K Waco
BSO
Individual owner
Illinois
Restricted 2006-06-05 ValidFAA registration status code V: Valid registration. All codes
N861M Waco
BSO
Individual owner
North Dakota
Experimental 2000-04-21 ValidFAA registration status code V: Valid registration. All codes
N796E Waco
BSO
Individual owner
Washington
Restricted 1976-04-30 ValidFAA registration status code V: Valid registration. All codes