- Registered owner
- Johnson Joseph S
- Location
- Eagle River, AK
- Owner type
- Individual
- Serial number
- 18-6439
- Year built
- 1958
- Type
- Fixed wing single engine
- Engine
- Reciprocating
- Airworthiness
- Multiple
- Airworthiness date
- March 7, 2011
- Certificate issued
- August 17, 2025
- Expires
- August 31, 2032
- Mode S code
- AC8BF2
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 40
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1956 | 1 |
|---|---|
| 1960 | 1 |
| 1961 | 1 |
| 1962 | 1 |
| 1964 | 1 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 2 |
| 1969 | 2 |
| 1977 | 2 |
| 1978 | 1 |
| 1980 | 1 |
| 1982 | 1 |
| 1985 | 1 |
| 1989 | 1 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 1 |
| 1996 | 3 |
| 1997 | 1 |
| 1998 | 3 |
| 1999 | 1 |
| 2001 | 1 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 1 |
| 2012 | 1 |
| 2014 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2022 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 1 |
Airframe · Piper PA-18A 150
AD 2025-02-11Rudder StructureAD 2022-03-15Fuel Quantity IndicatorAD 2015-08-04WingsInformation bulletins that may apply · 7
Advisory, not mandatory.
Airframe · Piper PA-18A 150
SAIB SW-18-31Navigation, Attitude, and Direction Data SystemSAIB CE-01-30Engine · Lycoming O-320-A2B
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-06-32R1Reciprocating Engine - CrankshaftHistorical bulletins · 1
NTSB investigations · 3
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
NTSB ANC21LA024Accident · No injuriesClass 4 · LimitedFinal reportKasilof, AKThe pilot’s mismanagement of the available fuel, which resulted in a total loss on engine power due to fuel starvation.NTSB ANC87LA058Accident · No injuriesLimited investigationFinal reportValdez, AKThe pilot reported that he could not keep the ski equipped aircraft from banking to the left after take off and elected to reduce power and land. The aircraft sustained substantial damage when the left wing tip struck the ground and cartwheeled during the…NTSB SEA69F0022Accident · Minor injuriesClosedLowell, OR
FAA incident reports · 3
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Accident 20210312004489ACruise/Level Flight · Kasilof, AKPA-18 engine failure in flight, landing in wooded area approx. [privacy data omitted]. Weather clear, 10 mile vis., winds var. 5 KTSAccident 19870405008509ATo Init Climb(1st Pwr Reduct) · Valdez, AKThe pilot reported loss of aileron control on takeoff and the ski plane cartwheeled. Suspect ice on controls.Incident 19860524060899IGround Taxi, Other Airplane · Valdez, AKAircraft nosed up when landing gear struck hole during taxi on a sand bar.
Service difficulty reports
No reports matched to N9073DGeneral 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 Piper PA-18A 150 aircraft
STCs that may be installed · 56
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-320-A2B
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.