N4911X

ROBINSON HELICOPTER R44 · 2006 · Rotorcraft · 1 engine · 4 seats · Valid Registration

Registered owner: LAKE SUPERIOR HELICOPTERS LLC, MN (owner ≠ operator)

Operators of this aircraft

Who operated this tail, and how firmly we know it.

OperatorRolePeriodBasis
LAKE SUPERIOR HELICOPTERS, LLC (5LHA)Certificate holder—Matched by certificate designator

Accident & incident history

No NTSB accidents or incidents on file for this aircraft.

Maintenance disclosures

Service Difficulty Reports filed with the FAA for this airframe. Filing is largely voluntary — the number of reports is not a measure of reliability. To verify a report, search its control number at the FAA SDRS site.

2 reports on file, 2017-11-16 – 2021-05-03.

MULTIPLE FAILURE · 2021-05-03 Matched by certificate designator
ATA 2560

Part: HARNESS — LOCKED (PILOT SEAT) · airframe 5,053 hrs · 1,947 cycles

MULTIPLE TIMES DURING MULTIPLE FLIGHTS, PILOTS 5 POINT HARNESS WOULD LOCK UP AND NOT RELEASE, NOT ALLOWING THE PILOT TO ACCESS FORWARD CONTROLS.

Source: SDR 2021FA0000121
FLUID LOSS · 2017-11-16 Matched by certificate designator
ATA 6220

Part: BOOT — TORN (MAIN ROTOR) · airframe 3,016 hrs

DURING A PREFLIGHT INSPECTION, FOUND THE MAIN ROTOR BLADE BOOT TORN THROUGH AT INNER BOOT CLAMP. FLUID LEAKAGE NOTED ON BLADE BOOT AND MAST FAIRING. REMOVED THE BOOT, AND IT SHOWED A TEAR PROPAGATING FROM ENTIRE CIRCUMFERENCE OF CLAMP. OPPOSITE BLADE NOTED SIMILAR TEAR FORMING AT INNER CLAMP BUT NOT ALL THE WAY THROUGH. NO SHARP EDGES NOTED ON CLAMPS SUSPECT OVERLY TIGHTENED CLAMP ASSEMBLY.

Source: SDR 2017FA0000600