Westwind Helicopters, Inc.

Operated by Westwind Helicopters INC (per NTSB report)

The pilot’s loss of consciousness due to a cardiovascular event.

Operated by Westwind Helicopters (per NTSB report)

The pilot's failure to maintain proper altitude resulting in a collision with water for reasons that could not be determined based on the available information.

Operated by Westwind Helicopters (per NTSB report)

The improper repair of the outer combustion case, which led to its ultimate failure due to the continued progression of a fatigue crack and resulted in a partial loss of engine power during takeoff.

Operated by WESTWIND HELICOPTERS (per NTSB report)

the passenger's failure to recognize and avoid the hazard associated with the rotating tail rotor. The operator/event organizer's lack of ground facilities or support personnel to assist/control passenger access to the helipad was a related factor.

Part: SEAL — MISALIGNED (ZONE 200) · airframe 5,352 hrs · 11,210 cycles

AFTER DEPARTING KPTN ABOUT 15 MINUTES OUT TRANSMISSION LOW PRESSURE LIGHT ILLUMINATED AND TRANSMISSION OIL PRESSURE WAS READING LOW AND ERRATIC. TRANSMISSION OIL TEMPERATURE WAS READING HIGH. PILOT LANDED IN A FIELD. UPON SHUTTING DOWN THERE WAS OIL ON THE SIDE OF AIRCRAFT. MAINTENANCE WAS FLOWN TO THE LOCATION AND DETERMINED THAT THE FREEWHEELING UNIT AFT SUPPORT SEAL HAD MIGRATED PARTIALLY OUT OF THE SEAL BOSS AND WAS LEAKING. AFT SUPPORT ASSEMBLY WAS REPLACED AND TRANSMISSION SERVICEABILITY CHECK PERFORMED WITH NO DEFECTS NOTED.

Part: DRIVE SHAFT — CRACKED (TAIL ROTOR) · airframe 13,087 hrs · 33,018 cycles

DURING 100 HOUR LUBRICATION OF TAIL ROTOR DRIVE SHAFT SPLINES THE #3 TAIL ROTOR DRIVE SHAFT WAS FOUND CRACKED AT ONE ATTACHMENT EAR. TOTAL TIME OF PART IS UNKNOW AS IT IS AN ON CONDITION PART.

Part: SKIN — CRACKED (TAILBOOM) · airframe 12,207 hrs · 18,010 cycles

CRACK ON UPPER TAIL BOOM SKIN AT STATION 172 FROM 3RD RIVET FORWARD OF CASTING ON SKIN SPLICE SEAM TO 4TH RIVET AT TAIL ROTOR GEARBOX CASTING ATTACHMENT RIVET LINE.

Part: PANEL — CRACKED (ZONE 200) · airframe 19,472 hrs · 58,328 cycles

DURING POST FLIGHT INSPECTION FOUND CRACK IN ROOF. LEFT AFT CORNER FROM RIVET HOLE WHERE ROOF ATTACHES TO ROLL OVER BULKHEAD. CRACK WAS VERIFIED BY DYE PENETRANT. DURING REMOVAL OF ROOF FOUND CORROSION ON RIGHT HAND AFT CORNER.

Part: COMBUSTION CASE — CRACKED (ENGINE) · airframe 5,382 hrs · 4,517 cycles

OUTER COMBUSTION CASE HAS A CRACK ABOUT 270 DEGREES AROUND FUEL NOZZLE BOSS.

Part: COMPRESSOR — DEFECTIVE (ENGINE) · airframe 16,175 hrs · 20,507 cycles

INITIATED A NORMAL TAKEOFF TO THE SOUTH FROM TB-45. APPROXIMATELY 3-5 SECONDS AFTER INITIATION, A LOUD BANG WAS HEARD WITH ACCOMPANING AIRFRAME SHUTTER. ABORTED TAKE OFF. SECOND BANG AND SHUTTER FOLLOWED AS ACFT SETTLED TO THE GROUND.

Part: COMBUSTION CASE — CRACKED (ENGINE) · airframe 12 hrs

RIGHT HAND ELBOW LEAKING AIR IN WELD AREA WHERE FLANGE ATTACHES TO COMBUSTION CASE.

Part: COMBUSTION CASE — CRACKED (ENGINE) · airframe 16 hrs

OUTER COMBUSTION CASE CRACKED ON THE RT SIDE UNDER WIRE REINFORCEMENT PATCH.

Part: STRUCTURE — CRACKED (TAILBOOM)

PILOT REPORTED THAT THERE WAS A VIBRATION IN THE ACFT. INVESTIGATION FOUND THE RIVETS WORKING AT TAILBOOM TO TAIL ROTOR GEARBOX CASTING MOUNT. FURTHER INVESTIGATION FOUND A CRACK IN THE TAIL BOOM AT THE 11:00 POSITION, APPROX 1.5 INCHES LONG AT THE ROW OF RIVETS ATTACHING THE TAIL ROTOR GEARBOX CASTING TO THE TAILBOOM. AN EVENT 4 INSPECTION HAD BEEN COMPLIED WITH 64 HOURS PRIOR WITH NO DEFECTS NOTED. THE LAST BALANCE AT EVENT 1 INSPECTION 163.6 HRS PRIOR WITH NO DEFECTS NOTED. AN EVENT 5 INSPECTION HAD BEEN ACCOMPLISHED 17.7 HOURS PRIOR AND NO DEFECTS NOTED. THE TAIL ROTOR WAS REMOVED AND A STATIC BALANCED PERFORMED. THE STATIC BALANCE WAS FOUND TO BE OUT OF TOLERANCE. UPON FURTHER INVESTIGATION THE TAIL ROTOR TRUNNION WAS FOUND TO HAVE SHIFTED . 065.

Part: LIGHT — LENS CRACKED (ANTI COLLISION)

ANTI-COLLISION LIGHT LENS CAME UNGLUED AT SEAMS. REPLACED LENS.