N479ST

PILATUS PC-12/45 · 2000 · Valid Registration

Registered owner: HOOD AVIATION LLC, NC (owner ≠ operator)

Operators of this aircraft

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

OperatorRolePeriodBasis
SKYTECH TRAVEL LLC (4S1A)Certificate holderMatched by certificate designator
CHARTER JET TRANSPORT, INC. (J53A)Certificate holderMatched by certificate designator

Accident & incident history

No NTSB accidents or incidents on file for this aircraft.

Maintenance disclosures

O · 2020-06-11 Matched by certificate designator
ATA 3220

DURING A MAINTENANCE PRE-FLIGHT WALKAROUND, NOTED THE LH NOSE GEAR DOOR ROD ASSEMBLY CRACKED AT LOWER ROD END ATTACHMENT. INSTALLED PART APPEARS TO BE ORIGINAL TO AIRCRAFT. ROD END WAS NOT LOOSE IN ROD, BUT COULD BE COMPROMISED IF LEFT UNNOTICED. MAKE SURE TO PAY CLOSE ATTENTION TO ALL LINKAGES WHEN PERFORMING INSPECTIONS. REPLACED THE ROD P/N 532.21.12.082.

Source: SDR 2020FA0000291 · FAA SDRS
N · 2019-07-20 Matched by certificate designator
ATA 2751

THE FLAPS FAIL CAUTION LIGHT ILLUMINATED UPON RETRACTION FROM THE 15 DEGREE SETTING ON CLIMBOUT. THE FAILURE OCCURRED WITHIN 2 – 3 SECONDS OF THE FLAP SELECTION. A RESULTANT PUSHER CAUTION LIGHT ILLUMINATED APPROXIMATELY 3 – 5 SECONDS LATER. THE CLIMB WAS CONTINUED MAINTAINING A SAFE AIRSPEED OF 150 KNOTS, WHICH IS WITHIN THE SPEED RANGE FOR FLAPS EXTENDED. THE FLAPS FAILURE IN FLIGHT PROCEDURE IN THE AIRCRAFT QRH WAS COMPLETED WITH VERIFICATION THAT NO CIRCUIT BREAKERS WERE OPEN. THE QRH WAS AGAIN CONSULTED FOR THE PUSHER SYSTEM MALFUNCTION” PROCEDURE. ASSUMING THE AIRCRAFT WAS NO LONGER PROTECTED FROM STALLS, THE SAFE OPERATING AIRSPEEDS WERE BRIEFED FOR THE ESTIMATE FLAP POSITION. AN AIRBORNE PUSHER SYSTEM CHECK WAS COMPLETED SUCCESSFULLY, WITH THE PUSHER LIGHT REMAINING ILLUMINATED. THERE WERE NO ADVERSE CONTROL FORCES THAT WOULD INDICATE AN ASYMMETRIC FLAP CONDITION. NO EXCESS AILERON TRIM WAS REQUIRED TO MAINTAIN LEVEL FLIGHT. WITH THE PUSHER OPERATING IN THE PUSHER SAFE MODE, FLIGHT WAS CONTINUED TO ITS DESTINATION. UPON LANDING, A FLAP RESET PROCEDURE WAS PERFORMED AND THE FLAP FAIL CAUTION LIGHT EXTINGUISHED. UPON EXTENSION OF FLAPS FROM ZERO TO FIFTEEN DEGREES, THE FLAPS FAIL LIGHT ILLUMINATED AGAIN. THE SUSPECTED CAUSE IS A FLAP CONTROL WARNING UNIT BUT HAS NOT BEEN DETERMINED PRIOR TO SUBMISSION OF THIS REPORT. WORK IS IN PROGRESS TO RESOLVE THE ISSUE AND AN ADDENDUM TO THIS REPORT WILL BE SUBMITTED. SUPPLEMENTAL INFORMATION: INSPECTED AIRCRAFT FLAPS SYSTEM. FOUND TWO DISCREPANCIES CAUSING THE FLAP FAILURE. THE LT FLAP ROTATION TRANSMITTER ADAPTER BECAME DISCONNECTED INTERNALLY. THE SCREW HOLDING THE ROTATION "TARGET" TO THE DRIVE SHAFT HAD BACKED OUT. THIS PREVENTED ROTATION INFORMATION TO BE TRANSMITTED TO THE FLAP COMPUTER WHICH CAUSED A SHUTDOWN. IN THE COURSE OF TROUBLESHOOTING THE SYSTEM, THE RT FLAP PROXIMITY SENSOR FAILED ELECTRICALLY. IT WOULD NOT CONSISTENTLY TRANSMIT SIGNAL TO FLAP COMPUTER. THE LT FLAP ROTATION TRANSMITTER ADAPTER WAS ORIGINAL TO THE AIRCRAFT ANF HAD 8386.0 HOURS IN SERVICE. IT IS ALSO ASSUMED THAT THE PROXIMITY SWITCH IS ORIGINAL.

Source: SDR LF1R2019072200001 · FAA SDRS