- Registered owner
- Bolan Walter Thomas
- Location
- Gresham, OR
- Owner type
- Individual
- Serial number
- B32-64B/65B-1671B
- Year built
- 2026
- Type
- Fixed wing single engine
- Engine
- 4 cycle
- Airworthiness
- Experimental, amateur built
- Airworthiness date
- April 30, 2026
- Certificate issued
- July 23, 2024
- Expires
- July 31, 2031
- Mode S code
- AAB229
- Kit
- Avipro Aircraft Ltd BEARHAWK MODEL B
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming O-540 model are included below.
On this page
Airworthiness directives that may apply · 39
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1963 | 2 |
|---|---|
| 1964 | 1 |
| 1966 | 2 |
| 1969 | 2 |
| 1977 | 2 |
| 1979 | 1 |
| 1982 | 1 |
| 1989 | 2 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 1 |
| 1999 | 2 |
| 2002 | 2 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 2 |
| 2017 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2026 | 2 |
Engine · Lycoming O-540 series
AD 2026-17-10Reciprocating Engine Cylinder SectionAD 2026-04-11Engine (Reciprocating)AD 2022-16-03Engine (RECIPROCATING)Information bulletins that may apply · 9
Advisory, not mandatory.
Engine · Lycoming O-540 series
SAIB NE-19-08Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve CylindersSAIB NE-08-32R1Propeller Governor Idler Gear Shaft Set ScrewSAIB NE-14-13Reciprocating Engine - Cylinder Mounting StudsSAIB NE-13-06Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series EnginesSAIB NE-08-26R3Magneto/DistributorSAIB NE-06-32R1Reciprocating Engine - CrankshaftSAIB NE-05-40SAIB NE-03-18SAIB NE-03-12Historical bulletins · 2
NTSB investigations
No NTSB investigations matched to N789CBMatched 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 Walter T Bolan BEARHAWK MODEL B aircraft
FAA incident reports
No FAA accident or incident reports matched to N789CBMatched 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 Walter T Bolan BEARHAWK MODEL B aircraft
Service difficulty reports
No reports matched to N789CBGeneral 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 Walter T Bolan BEARHAWK MODEL B aircraft
STCs that may be installed · 59
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Engine · Lycoming O-540 series
STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22STC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.
Earlier aircraft with this N-number · 1
This aircraft carried N789CB before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.