POLLUX AVIATION LTD
Also recorded as: POLLUX AVIATION LTD, Pollux Aviation Ltd, Polux Aviation
Accident & enforcement record
Events that happened, regardless of the operator's own reporting. Each links to its public source.
NTSB accidents & incidents
Operated by POLLUX AVIATION LTD (per NTSB report)
Operated by Pollux Aviation (per NTSB report)
Not yet finalized — may be revised.Operated by POLLUX AVIATION LTD (per NTSB report)
Operated by POLLUX AVIATION LTD (per NTSB report)
Operated by POLLUX AVIATION LTD (per NTSB report)
Operated by Pollux Aviation Ltd (per NTSB report)
Operated by POLLUX AVIATION LIMITED (per NTSB report)
FAA enforcement actions
FAA enforcement records haven't been loaded into GroundCheck yet, so none can be shown — a gap in our data, not evidence of a clean enforcement history.
Maintenance disclosure history
Service Difficulty Reports are self-reported maintenance findings. The NUMBER of reports is not a measure of reliability — diligent operators file more, not fewer. These are shown for transparency, not as a negative signal.
9 reports on file.
THE PILOT HEARD/FELT A POP, HAD AN INCREASE IN VIBRATION, AND A PARTIAL LOSS OF POWER. HE MADE AN EMERGENCY DESCENT TO A POWER ASSISTED LANDING IN THE TUNDRA, UPON LANDING SAW SMOKE COMING FROM THE ENGINE COMPARTMENT. SHUT DOWN AIRCRAFT. SAW OIL IN THE ENGINE COMPARTMENT. CALLED MAINTENANCE. UPON MAINTENANCE GETTING THERE, WE FOUND THE INTAKE VALVE ON THE #1 CYLINDER WAS MISSING. FURTHER INVESTIGATION FOUND THE VALVE STEM AT THE KEEPERS HAD BROKEN, AND LET THE VALVE FALL INTO THE CYLINDER. WE FOUND THE PARTS OF THE VALVE IN THE INTAKE SYSTEM OF THE ENGINE. THE PISTON AND THE CYLINDER HEAD WERE HAMMERED.
THE PILOT HEARD/FELT A POP, HAD AN INCREASE IN VIBRATION, AND A PARTIAL LOSS OF POWER. HE MADE AN EMERGENCY DESCENT TO A POWER ASSISTED LANDING IN THE TUNDRA, UPON LANDING SAW SMOKE COMING FROM THE ENGINE COMPARTMENT. SHUT DOWN AIRCRAFT. FOUND NO EVIDENCE OF FIRE. OIL ON EXHAUST, SAW OIL IN THE ENGINE COMPARTMENT. CALLED MAINTENANCE. UPON MAINTENANCE GETTING THERE, WE FOUND THE INTAKE VALVE ON THE #1 CYLINDER WAS MISSING. FURTHER INVESTIGATION FOUND THE VALVE STEM AT THE KEEPERS HAD BROKEN, AND LET THE VALVE FALL INTO THE CYLINDER. WE FOUND THE PARTS OF THE VALVE IN THE INTAKE SYSTEM OF THE ENGINE. THE PISTON AND THE CYLINDER HEAD WERE HAMMERED.
DUAL TACHOMETER ROTOR NEEDLE RPM IS FAULTY.
CLUTCH LIGHT WAS FLICKERING. WE HAD ONE OF THE COLUMN SPRINGS DE-TENSION WHILE WE WERE PERFORMING SHEAVE ALIGNMENT AND CLUTCH SHAFT ANGLE. TALKED TO RHC TECH SUPPORT, THEY THOUGHT IT MIGHT BE THE CLUTCH COLUMN SPRINGS OUT OF CALIBRATION. WE REMOVED THE COOLING FAN WHEEL WHICH IS WHEN WE FOUND THE CRACKS IN THE FAN. RHC TECH SUPPORT AGREED THAT THESE CRACKS PROBABLY CAUSED THE FLICKERING CLUTCH LIGHT AND ALSO IN THE MAJORITY OF THESE EVENTS UN-CALIBRATES THE COLUMN SPRINGS. THIS AIRCRAFT ONLY HAS 138.7 HOURS ON IT SINCE OVERHAUL.
FOUND BRACKET A185-1 SEPARATED FROM LOWER SCROLL P/N C236-2 AND 1 OF THE UPPER BRACKET PART NUMBER A185-2 SEPARATED FROM UPPER SCROLL C236-1. THERE WAS ONLY ONE UPPER BRACKET HOLDING ON THE LOWER BEARING.
SB-643, C/W, MAGNETO INSTALLED IN ACFT. ACFT FLEW 5.0 HOURS AT WHICH TIME, PILOT REPORTED A DEAD - CUT WHEN SELECTING THE LT MAGNETO ON THE RUN UP ON THE FIRST FLIGHT OF THE DAY. MAGNETO REMOVED AND FOUND THAT 1X TUNGSTEN DISCS HAD SEPARATED FROM MAIN CONTACT POINTS AND ENDED UP SITTING IN THE CONTACT POINTS COMPARTMENT CAUSING AN EXTREME CHANGE IN MAGNETO TO ENGINE TIMING. MFG NOTIFIED.
ENGINE MECHANICAL FUEL PUMP DIAPHRAGM LEAKING WITH ONLY 1063.7 HOURS IN SERVICE. POSSIBLE FIRE DANGER. REPLACED PUMP. (K)
DURING 100 HOUR INSP, NR 4 CYLINDER DID NOT PASSDIFFERENTIAL COMPRESSION TEST. REMOVED CYLINDER, FOUND INTAKE VALVE SEVERELY BURNED ON FACE AND SEAT AREAS. REPLACED INTAKE VALVE AND SEAT. REINSTALLED CYLINDER AND RETURNED TO SERVICE. INTAKE VALVES USUALLY ARE NOT A PROBLEM ON THESE ENGINES, ESPECIALLY AT SUCH A LOW TT. (K)
CLUTCH MAKING UNUSUAL NOISES ON COAST DOWN. UPON REMOVAL THE BEARINGS IN THE CLUTCH FELT ROUGH AND DRY. COMPONENT RETURNED TO MFG FOR O/H. (K)
Linked aircraft
| N-number | Make / model | Year | Status | Link basis |
|---|---|---|---|---|
| N121MR | — | — | Operator named in NTSB report | |
| N229CH | ROBINSON HELICOPTER COMPANY R44 II | 2004 | Valid Registration | Matched by certificate designator |
| N240RM | ROBINSON HELICOPTER R44 | 2001 | Valid Registration | Operator named in NTSB report |
| N240RM | ROBINSON HELICOPTER R44 | 2001 | Valid Registration | Matched by certificate designator |
| N3070S | ROBINSON HELICOPTER R22 BETA | 2007 | Valid Registration | Matched by certificate designator |
| N355AS | ROBINSON HELICOPTER COMPANY R44 II | 2003 | Valid Registration | Matched by certificate designator |
| N4164Q | ROBINSON HELICOPTER COMPANY R44 II | 2008 | Valid Registration | Matched by certificate designator |
| N447PA | ROBINSON HELICOPTER COMPANY R44 II | 2006 | Valid Registration | Operator named in NTSB report |
| N447PA | ROBINSON HELICOPTER COMPANY R44 II | 2006 | Valid Registration | Matched by certificate designator |
| N501GT | ROBINSON HELICOPTER COMPANY R44 II | 2005 | Valid Registration | Matched by certificate designator |
| N555EL | ROBINSON HELICOPTER COMPANY R44 II | 2005 | Valid Registration | Matched by certificate designator |
| N555EL | ROBINSON HELICOPTER COMPANY R44 II | 2005 | Valid Registration | Operator named in NTSB report |
| N59FD | ROBINSON HELICOPTER COMPANY R44 II | 2004 | Valid Registration | Matched by certificate designator |
| N74367 | ROBINSON HELICOPTER COMPANY R44 II | 2005 | Valid Registration | Matched by certificate designator |
| N74381 | ROBINSON HELICOPTER COMPANY R44 II | 2005 | Valid Registration | Matched by certificate designator |
| N74435 | ROBINSON HELICOPTER COMPANY R44 II | 2005 | Valid Registration | Matched by certificate designator |
| N74435 | ROBINSON HELICOPTER COMPANY R44 II | 2005 | Valid Registration | Operator named in NTSB report |
| N74496 | — | — | Operator named in NTSB report | |
| N7528Z | ROBINSON HELICOPTER COMPANY R44 II | 2004 | Valid Registration | Matched by certificate designator |
| N779DZ | ROBINSON HELICOPTER COMPANY R44 II | 2003 | Valid Registration | Operator named in NTSB report |
| N779DZ | ROBINSON HELICOPTER COMPANY R44 II | 2003 | Valid Registration | Matched by certificate designator |
| N81191 | ROBINSON HELICOPTER R44 | — | Valid Registration | Matched by certificate designator |
| N81191 | ROBINSON HELICOPTER R44 | — | Valid Registration | Operator named in NTSB report |
| N818XR | ROBINSON HELICOPTER CO R66 | 2011 | Valid Registration | Matched by certificate designator |
| N962MD | ROBINSON HELICOPTER CO R66 | 2016 | Valid Registration | Operator named in NTSB report |