- Registered owner
- Knutson Flying Service Inc
- Location
- Tioga, ND
- Owner type
- Corporation
- Serial number
- 1801
- Year built
- 1965
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- February 4, 1980
- Certificate issued
- February 21, 1979
- Expires
- August 31, 2029
- Mode S code
- AC8842
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Lycoming 0-540 model are included below.
On this page
Airworthiness directives that may apply · 81
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 | 2 |
| 1966 | 3 |
| 1967 | 1 |
| 1969 | 3 |
| 1970 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1977 | 4 |
| 1978 | 5 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 4 |
| 1982 | 4 |
| 1983 | 1 |
| 1984 | 1 |
| 1986 | 2 |
| 1989 | 2 |
| 1991 | 1 |
| 1992 | 1 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 3 |
| 1998 | 1 |
| 1999 | 2 |
| 2001 | 1 |
| 2002 | 2 |
| 2004 | 2 |
| 2005 | 2 |
| 2006 | 4 |
| 2007 | 1 |
| 2008 | 1 |
| 2010 | 2 |
| 2011 | 1 |
| 2012 | 2 |
| 2017 | 1 |
| 2021 | 1 |
| 2022 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 1 |
| 2026 | 2 |
See all 92 ADs
Information bulletins that may apply · 9
Advisory, not mandatory.
Engine · Lycoming 0-540 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 N9063LMatched 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 Hiller UH-12E aircraft
Investigations on N9063L not matched to an aircraft · 1
They name N9063L, but no registry record covers the date, the aircraft registered then was built later, or the investigation describes another aircraft.
FAA incident reports
No FAA accident or incident reports matched to N9063LMatched 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 Hiller UH-12E aircraft
Reports on N9063L not matched to an aircraft · 1
They name N9063L, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Service difficulty reports
No reports matched to N9063LGeneral 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 Hiller UH-12E aircraft
STCs that may be installed · 133
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Hiller UH-12E
STC SR04637CHReplacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control
PanelSTC SH3319NMInstallation of Precise Flight Pulselite Control Unit in the
Landing /Taxi Recognition Visual Control Light system,STC SH1152NWInstallation of the Automatic Flagman Model 135 Control Stick Grip