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N194AC

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1967 Sikorsky S-64E · Pratt & Whitney JFTD12A series

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Registered owner
Helicopter Express LLC
Location
Chamblee, GA
Owner type
LLC
Serial number
64017
Year built
1967
Type
Rotorcraft
Engine
Turbo-shaft
Airworthiness
Multiple
Airworthiness date
November 28, 2011
Certificate issued
May 2, 2024
Expires
May 31, 2031
Mode S code
A1770A
Sikorsky S-64EAirframe model · 3 seats · 2 engines · 11 registeredTCDS H6EAAirframe · Sikorsky S-64ETCDS E15EAEngine · Pratt & Whitney JFTD12A series

From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Pratt & Whitney JFTD12A model are included below.

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Airworthiness directives that may apply · 9

Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.

1974In forceSuperseded2026
Superseded and historical ADs · 4
AD 2021-23-13Ground Proximity SystemHistoricalEffective Dec 9, 2021 · Replaced by AD 2023-11-07AD 97-19-10Main Transmission Plates InspectionHistoricalEffective Oct 17, 1997 · Replaced by AD 2013-20-15AD 90-26-12Main Rotor BladesHistoricalEffective Jan 18, 1991 · Replaced by AD 2013-23-07AD 77-20-01Main Transmission Lower Planetary PlatesHistoricalReplaced by AD 97-19-10

Information bulletins that may apply · 1

Advisory, not mandatory.

NTSB investigations · 1

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

NTSB SEA99LA038Accident · 1 fatalLimited investigationFinal reportShelton, WAThe failure of the victim to follow the procedure that required him to make sure that all choker lines had separated from the helicopter's release mechanism prior to entering the landing (collection area).Mar 2, 1999 · No damage

FAA incident reports · 1

FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.

Accident 19990302001929AShelton, WASikorsky S64E skycrane helicopter was involved in a logging operation, the acft came in to the landing site and dropped a load of logs, one log hung up on a cable and swung around striking and fatally injuring a ground employee, other circunstances are…Mar 2, 1999 · 1 fatal

Service difficulty reports · 11

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

SDR 2011FA0000703Blade · crackedAT FIRST BIM CHECK, PILOTS REPORTED HEARING A CHIRPING NOISE COMING FROM THE MAIN ROTOR BLADES. INSPECTED BLADES. FOUND THE TIP WEIGHT ON MAIN ROTOR BLADE PROTRUDING THROUGH THE TIP CAP. BLADE WAS REPLACED. OPENAug 29, 2011 · N194AC · Skrsky S64E · Main Rotor BladesSDR 2005FA0000341Spar · cracked(MDR05-074) THE SPAR IS CRACKED ON THE BOTTOM SIDE OF THE BLADE BETWEEN POCKET LOCATIONS NR 5 AND NR 6. CRACK IS APPROXIMATELY .300 INCH IN LENGTH .650 INCH FROM THE BACKWALL RUNNING CHORDWISE TO .950 INCH FROM THE BACKWALL. BLADE HAD A BIM INDICATION AND WAJan 31, 2005 · N194AC · Skrsky S64E · Main Rotor BladesSDR MDR04042Blade · crackedDURING NORMAL AIRCRAFT INSPECTION, THE FOLLOWING WAS FOUND; THE OB SIDE OF THE POCKET IS CRACKED 1.8125 INCHES FROM THE TRAILING EDGE AND .25 INCH FROM THE TIP END. THE CRACK IS RUNNING SPAN WISE AND IS .6875 INCH LONG. PROBABLE CAUSE IS UNKNOWN.Jan 22, 2004 · N194AC · Skrsky S64E · Tail Rotor BladesSDR JYD2004F00002Rotor Head · crackedDURING NORMAL AC INSPECTION, THE FOLLOWING WAS FOUND; THE OB SIDE OF THE POCKET IS CRACKED 1.8125 INCH FROM THE TRAILING EDGE AND .25 INCH FROM THE TIP END. THE CRACK IS RUNNING SPAN WISE AND IS 6875 INCH LONG. PROBABLE CAUSE UNKNOWN. (MDR04-042)Jan 22, 2004 · N194AC · Skrsky S64E · Tail Rotor HeadSDR MDR03037Housing · crackedTHE TGB CENTER HOUSING WAS FOUND CRACKED WHILE INSTALLED ON THE AIRCRAFT. IT WAS REMOVED PREMATURELY ON SEPTEMBER 3, 2000. THE SHOP DETECTED THE CRACK VISUALLY. THE CRACK BEGAN AT THE SECOND ROSAN STUD CLOCKWISE FROM THE ROSAN SEAT PAD LOCATED 34 DEGREES FRNov 20, 2003 · N194AC · Skrsky S64E · Tail Rotor GearboxSDR JYD2001F00005Hub · crackedFRONT HUB, PN 712701, SN 3V4170 FOUND CRACKED DURING OVERHAUL. COMPRESSOR WAS REMOVED FROM SERVICE DUE TO REACHING ITS OVERHAUL INTERVAL. DURING THE OVERHAUL INSPECTION, TWO CRACKS WERE DETECTED BY FLUORESCENT PENETRANT INSPECTION(FPI). 1ST CRACK LOCATION DSep 17, 2001 · N194AC · Skrsky S64E · Turbine Engine Compressor SectionSDR 20010524CW002Housing · crackedDURING TEARDOWN FOR OVERHAUL, A CRACK WAS VISUALLY NOTICED AT APPROX THE 2 OCLOCK POSITION(AS INSTALLED ON AIRCRAFT) IN THE STRADDLE MOUNT OF THE IDLER GEAR ALIGNMENT BEARING PN SB2154-1 OF CENTER HOUSING PN 6435-66409-043. FURTHER INSPECTION AFTER REMOVAL OFApr 27, 2001 · N194AC · Skrsky S64E · Tail Rotor GearboxSDR 20001012SH019Structure · crackedDURING TEARDOWN, MGB, PN 6435-20400-063, SN 16-084, FOR O/H, 5 CRACKS VISUALLY NOTICED IN 5 OF 9 LIGHTENING HOLES IN LOWER PLATE OF 2ND STAGE PLANETARY PLATE ASSY, P/N 6435-20231-014, SN EAC 3691. FLUORESCENT MAGNETIC PARTICLE INSPECT(FMPI) REVEALED 8 CRACKS.Jul 18, 2000 · N194AC · Skrsky S64E · Main Rotor GearboxSDR 99ZZZX4664Bearing · failedDUPLEX BEARING, PN SB1060-102, SN EAC 1727, TT OF 792.0 HRS, FAILED IN MGB, PN 6435-20400-065, SN A6-037, LEAVING LARGE FRAGMENTS OF FERROUS METAL IN SUMP AND SUMP SCREEN. FURTHER INSP INDICATED BOTH INNER-BEARING RACES OF SB1060-102 DUPLEX BEARING INSTALLED Oct 6, 1999 · N194AC · Skrsky S64E · Main Rotor GearboxSDR 99ZZZX1657Blade · crackedBLADE REMOVED FROM AIRCRAFT DUE TO BIM INDICATION. ALL CRACKS WERE LOCATED ON BOTTOM SIDE OF THE BLADE. SB-64E-62-10-01, WHICH ULTRASONICALLY INSPECTS THE TWO MOST OUTBOARD BOLT HOLES ON THE TOP AND BOTTOM SIDE, WAS C/W 39.8 HOURS PRIOR TO REMOVAL OF THE BLAMar 24, 1999 · N194AC · Skrsky S64E · Main Rotor BladesSDR 96ZZZX5194Tablock · missingTABLOCK FOUND MISSING AT POST-FLIGHT INSPECTION ON 7-4-96 DUE TO NOISE FROM STATOR RUBBING. LAST OVERHAUL PERFORMED BY SABRELINER. WHEN INSPECTING COMPRESSOR THROUGH INLET, CONTACT OF 3RD STAGE BLADE NOTED ON FACE OF 4TH STAGE STATOR NEAR CENTERLINE OF ENGINJul 4, 1996 · N194AC · Skrsky S64E · Turbine Engine Compressor Section

STCs that may be installed · 48

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.

See all 48 STCs