- Registered owner
- Stuart Aviation
- Location
- Wilmington, DE
- Owner type
- Corporation
- Serial number
- A-151
- Year built
- 1929
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Standard
- Airworthiness date
- August 20, 1965
- Certificate issued
- October 23, 2003
- Expires
- July 31, 2028
- Mode S code
- A1B8A0
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 0
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
No ADs matched this aircraft’s modelsADs on appliances, propellers and installed equipment aren’t matched by model; check those separately.
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations
No NTSB investigations matched to N21RMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Waco CTO aircraft
FAA incident reports
No FAA accident or incident reports matched to N21RMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Waco CTO aircraft
Service difficulty reports
No reports matched to N21RGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Waco CTO aircraft
STCs that may be installed · 5
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Waco CTO
STC SA04652CHTo allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specificationSTC SA4503NMRemove original cloth covering and install Ceconite coveringSTC SA01406NYInstallation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and
rotary wingSTC SA02033ATModification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.STC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.