# Sikorsky CH-54B - Type: Aircraft model (FAA registry) - Registry code: 8142505 - Manufacturer (registry): SIKORSKY - Model: CH-54B - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Turbo-shaft - Seats: 20 - Weight class: Up to 12,499 lb - Certification: Type certificated - Data sheet: [TCDS H14NM](https://openairdocs.org/tcds/H14NM) (OpenAirDocs) - Holder: Helicopter Transport Services LLC - Registered aircraft: 2 - Page: https://openairdocs.org/model/sikorsky-ch-54b Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker. ## ADs that may apply (OpenAirDocs) Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment. - [AD 99-15-14](https://openairdocs.org/ad/99-15-14): Main Gearbox Assembly · Helicopter Transport Services CH-54B. Effective Aug 26, 1999 - [AD 76-06-01](https://openairdocs.org/ad/76-06-01): Hydraulic Pumps · Erickson Air-Crane S-64A, S-64E, S-64F and 12 more. Effective Mar 24, 1976 ## Registered aircraft (2) - [N719HT](https://openairdocs.org/aircraft/N719HT): [U S Leaseco Inc](https://openairdocs.org/faa-owner/U%20S%20LEASECO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), S/N 69-18469 - [N721HT](https://openairdocs.org/aircraft/N721HT): [U S Leaseco Inc](https://openairdocs.org/faa-owner/U%20S%20LEASECO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1969, S/N 69-18466 ## NTSB investigations (1) From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [NTSB WPR09LA184](https://openairdocs.org/ntsb/WPR09LA184), Apr 7, 2009: Sikorsky CH-54B (N719HT), Corvallis, OR, substantial damage. Probable cause: The improper assembly of main rotor blade control components by the operator's maintenance personnel, which resulted in the main rotor blade's divergent path and their contact with the tail rotor… ## FAA accident and incident reports (1) From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. - [Accident 20090407004529A](https://openairdocs.org/incident/20090407004529A), Apr 7, 2009: Skrsky CH54B (N719HT), Corvallis, OR, Substantial damage. (-23) During shutdown from a training flight, the pilot felt an unusual airframe vibration. The cyclic stick was at the normal upright position for shutdown.… ## Service difficulty reports (16) As reported by operators and repair stations, by the model named in the report. - [SDR CA150511015](https://openairdocs.org/sdr/CA150511015), May 9, 2015: SOLENOID. DEFECTIVE. (CAN) UNCOMMANDED INADVERTENT RELEASE OF LOWER HOOKS. - [SDR 2009FA0000042](https://openairdocs.org/sdr/2009FA0000042), Jan 8, 2009: NUT. CRACKED. DURING THE DISASSEMBLY OF THE MRH, 1 NUT WAS FOUND CRACKED. THE NUT IS CRACKED THROUGH ON ONE SIDE AND RUNS THE LENGTH OF THE NUT. THE UNT IS ONE OF (2) THAT SE - [SDR 2006FA0000951](https://openairdocs.org/sdr/2006FA0000951), Sep 8, 2006: AXLE. CRACKED. (REF NR: MDR06-091) UPON DISASSEMBLY, AXLE WAS FOUND TO BE CRACKED AND RUNS AROUND THE CIRCUMFERENCE. THE TRACTURE APPEARS TO ROIGINATE IN THE WELD ON THE CENTE - [SDR JYD2006F00000](https://openairdocs.org/sdr/JYD2006F00000), Dec 9, 2005: BEARING. SPALLED. BEARING OUTER RACE SPALLED AND CRACKED. SPALLING AND CRACK ARE ON NR1 BEARING ROW ONLY. CRACK IS APPROXIMATELY 2.25 INCHES LONG. PROBABLE CAUSE IS UNKNOWN. THE - [SDR 2005FA0000001](https://openairdocs.org/sdr/2005FA0000001), Nov 30, 2004: DUCT. WRONG PART. DURING TEARDOWN OF F/T ASSEMBLY, A BROKEN EPR PROBE WAS FOUND AND THE INLET DUCT WAS SITTING LOW WHICH WOULD ALLOW MORE AXIAL TRAVEL OF INLET DUCT DURING OPERAT - [SDR JYDRMDR04065](https://openairdocs.org/sdr/JYDRMDR04065), Oct 20, 2004: SPACER. CRACKED. PART OF THE OB ROOT END SPACER BLOCK BROKE OFF AND WAS SENT THROUGH THE TIP CAP. THE OB SPACER BLOCK HAS SPLIT AROUND THE L/E THROUGH BOLT. PRIOR TO DISASSEMBLY - [SDR MDR04061](https://openairdocs.org/sdr/MDR04061), Aug 19, 2004: BEARING RACE. CRACKED. TAIL ROTOR HEAD WAS REMOVED FROM AC DUE TO SUDDEN LEAKAGE FROM TAIL ROTOR GRIP. DISASSEMBLED TAIL ROTOR HEAD AND FOUND THE SHOULDER BOLT INNER RACE CRACKED ON T - [SDR MDR04050](https://openairdocs.org/sdr/MDR04050), Apr 21, 2004: SUPPORT BEAM. CRACKED. IN THE COURSE OF A POST FLIGHT INSPECTION, THE FIELD MAINTENANCE CREW DISCOVERED A CRACK IN THE RT MGB SUPPORT BEAM APPROXIMATELY STA 333. SL 199 AND RBL 20. TH - [SDR MDR04047](https://openairdocs.org/sdr/MDR04047), Mar 16, 2004: SPAR. CRACKED. THE BLADE WAS REMOVED FROM THE AIRCRAFT DUE TO A RED BIM INDICATION. DURING A 10 DAY LEAK CHECK, LOSS OF PRESSURE WAS NOTED. FURTHER INVESTIGATION FOUND A .6250 - [SDR MDR04046](https://openairdocs.org/sdr/MDR04046), Mar 15, 2004: HOUSING. CRACKED. MAIN GEAR BOX (SN A6167) WAS INSTALLED ON AIRCRAFT AND REQUIRED REMOVAL DUE TO A POSSIBLE CRACK FOUND ON THE UPPER HOUSING ON THE RT SIDE. HOUSING APPEARED TO B - [SDR MDR04045](https://openairdocs.org/sdr/MDR04045), Mar 10, 2004: HOUSING. CRACKED. DURING ROUTINE FIELD MAINTENANCE INSPECTIONS, A CRACK WAS DISCOVERED UNDER NR 2 INPUT (ARM PIT) APPROXIMATELY 6 INCHES LONG FROM APPROXIMATELY THE 5 TO 8 OCLOCK - [SDR MDR04043](https://openairdocs.org/sdr/MDR04043), Jan 22, 2004: COMPRESSOR WHEEL. CRACKED. A CRACK WAS FOUND IN THE BLADE RETENTION HOLE OF THE 2ND STAGE COMPRESSOR DISK. COMPRESSOR SN 677782, WAS REMOVED FOR HSI/OVERHAUL. DURING THE INSPECTION PROCES - [SDR JYD2004F00003](https://openairdocs.org/sdr/JYD2004F00003), Jan 22, 2004: COMPRESSOR WHEEL. CRACKED. A CRACK WAS FOUND IN THE BLADE RETENTION HOLE OF THE 2ND STAGE COMPRESSOR DISK. COMPRESSOR, SN 677782, WAS REMOVED FOR HSI/OVERHAUL. DURING THE INSPECTION PROCE - [SDR MDR03039](https://openairdocs.org/sdr/MDR03039), Dec 15, 2003: ATTACH ANGLE. CRACKED. DURING A SCHEDULED INSPECTION, LT ATTACH ANGLE, PN 6420-66340-105, WAS FOUND CRACKED AT STA 767.8 LBL 5.5, WL 177.1. THE CRACK ORIGINATED AT THE BOTTOM HUCK FAS - [SDR JYD2002F00003](https://openairdocs.org/sdr/JYD2002F00003), May 3, 2002: SPAR. CRACKED. MAIN ROTOR BLADE CRACKED. DURING POST-FLIGHT INSPECTION, AND REQUIRED COMPLIANCE WITH SB, (BLADE INSPECTION METHOD) INDICATION WAS FOUND ON BLADE (SN 64M-6547-5 - [SDR JYD2002F00002](https://openairdocs.org/sdr/JYD2002F00002), Apr 26, 2002: DISK. CRACKED. CRACK FOUND IN BLADE PIN RETENTION HOLE OF 2ND STAGE COMPRESSOR DISK. COMPRESSOR (SN 677810) REMOVED FOR OVERHAUL. DURING INSPECTION PROCESS, NDT DETECTED A CRA ## STCs that may be installed (OpenAirDocs) (29) Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has. - [STC SR02807SE](https://openairdocs.org/stc/SR02807SE): Installation of a Fly Away Tool box. Helicopter Transport Services LLC - [STC SR11923SE](https://openairdocs.org/stc/SR11923SE): Installation of Helicopter Transport Services, LLC Shock Absorber HTS-2000. Helicopter Transport Services LLC - [STC SR11810SE](https://openairdocs.org/stc/SR11810SE): Installation of Helicopter Transport Services, LLC External Load Indicating System. Helicopter Transport Services LLC - [STC SR02777SE](https://openairdocs.org/stc/SR02777SE): Installation of a Load Beam. Helicopter Transport Services LLC - [STC SR02754SE](https://openairdocs.org/stc/SR02754SE): Installation of External Cargo Container. Helicopter Transport Services, LLC - [STC SR02717SE](https://openairdocs.org/stc/SR02717SE): Installation of Helicopter Transport Services Remote Fuel Sump System. Helicopter Transport Services LLC - [STC SR09913AC](https://openairdocs.org/stc/SR09913AC): Installation of Composite Main Rotor Blade. Helicopter Transport Services LLC - [STC SR02684SE](https://openairdocs.org/stc/SR02684SE): Installation of Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump. Helicopter Transport Services LLC - [STC SR02671SE](https://openairdocs.org/stc/SR02671SE): Installation of HTS Attachable Service Pod. Helicopter Transport Services LLC - [STC SR00004SE](https://openairdocs.org/stc/SR00004SE): Fabrication and installation of Erickson fire fighting system. Erickson Air Crane Inc. dba Erickson Air-Crane - [STC SR00815SE](https://openairdocs.org/stc/SR00815SE): Fabrication and installation of Erickson Model Sea Snorkel system. Erickson Air Crane Inc. dba Erickson Air-Crane - [STC SR01209SE](https://openairdocs.org/stc/SR01209SE): Installation of Replacement Electric Starter for Auxiliary Power Unit. Helicopter Transport Services LLC - [STC SR01241SE](https://openairdocs.org/stc/SR01241SE): Installation of Concorde RG-390E Lead Acid Battery. Helicopter Transport Services LLC - [STC SR02503SE](https://openairdocs.org/stc/SR02503SE): Installation of Additional Telemetry Unit (ATU). Helicopter Transport Services LLC - [STC SR00928SE](https://openairdocs.org/stc/SR00928SE): Fabrication of Kawak Aviation Technologies, Inc. Model YB02854 Auxiliary Hydraulic System. Helicopter Transport Services LLC - [STC SR02055SE](https://openairdocs.org/stc/SR02055SE): Replacement tail rotor blades, Part Numbers 65161-00001-041MII and/or 65161-00001-043MII. Helicopter Transport Services LLC - [STC SH5653NM](https://openairdocs.org/stc/SH5653NM): Re-mounting of the turbine engines and reinforcement of the associated fuselage support structure with Erickson detuned engine mounting system (DEMS). Erickson Incorporaated/dba Erickson Air-Crane - [STC SR01084SE](https://openairdocs.org/stc/SR01084SE): Fabrication and installation of HTS-OCB-001 Electric Oil Blower Assembly. Helicopter Transport Services LLC - [STC SR01268SE](https://openairdocs.org/stc/SR01268SE): Fabrication and installation of the Single Point Fixed Pendant. Helicopter Transport Services LLC - [STC SR01279SE](https://openairdocs.org/stc/SR01279SE): Installation of the Aero-Craft Utility Hydraulic Pump, Part Number (P/N) AP6VSPL. Helicopter Transport Services LLC - [STC SR01376SE](https://openairdocs.org/stc/SR01376SE): Fabrication and installation of Helicopter transport Services, LLC offset pilot seat, offset collective control, and bubble door. Helicopter Transport Services LLC - [STC SR01571SE](https://openairdocs.org/stc/SR01571SE): Fabrication and installation of Helicopter Transport Services, Inc. (HTSI) Automatic Flight Control System (AFCS). Helicopter Transport Services LLC - [STC SR01741SE](https://openairdocs.org/stc/SR01741SE): Installation of an upgraded Fuel Quantity Indicating System. Helicopter Transport Services LLC - [STC SR01839SE](https://openairdocs.org/stc/SR01839SE): Remove the components from the hydraulic sled at Station 380 and install on the sled at Station 435.5, and remove the sled at Station 380,. Helicopter Transport Services LLC - [STC SR02036SE](https://openairdocs.org/stc/SR02036SE): Modification of main rotor blade part number 6415-20601-041, -042, and -043. Helicopter Transport Services LLC - [STC SR02224SE](https://openairdocs.org/stc/SR02224SE): Installation of the Helicopter Transport Services, LLC (HTS) lightweight firefighting refill pump, Part Number HTS2-PUMP. Helicopter Transport Services LLC - [STC SR01618SE](https://openairdocs.org/stc/SR01618SE): Fabrication and Installation of Kawak Aviation Technologies Model 36100 Sea Snorkel. Helicopter Transport Services LLC - [STC SR00931SE](https://openairdocs.org/stc/SR00931SE): Fabrication of Simplex Model 314 Fire Attack System. Simplex Manufacturing Company - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International ## PMA parts (OpenAirDocs) (72, first 50) Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first. - [R65103-11022-105](https://drs.faa.gov/browse/excelExternalWindow/8E5FAB7F4D59F42A862584F2006B13B9.0001): HINGE. Rotair Industries Inc · PMA PQ0781NE · Replaces 65103-11022-105 · May 20, 2019 - [P65161-00011-042](https://drs.faa.gov/browse/excelExternalWindow/2650BC9916947727862576FD00488CE0.0001): Fairing Assembly. Master Support Inc · PMA PQ1723CE · Replaces 65161-00011-042 · Mar 30, 2010 - [P65161-00011-041](https://drs.faa.gov/browse/excelExternalWindow/0B9B646649A98E45862576FD00488CB8.0001): Fairing Assembly. Master Support Inc · PMA PQ1723CE · Replaces 65161-00011-041 · Mar 30, 2010 - [P65161-00010-041](https://drs.faa.gov/browse/excelExternalWindow/F325A562B79C3E39862576F6004E138A.0001): Pocket Assembly. Master Support Inc · PMA PQ1723CE · Replaces 65161-00010-041 · Jan 27, 2010 - [P65161-00011-042](https://drs.faa.gov/browse/excelExternalWindow/CDBA01F42BD8C65B862576F6004E13FC.0001): Fairing Assembly. Master Support Inc · PMA PQ1723CE · Replaces 65161-00011-042 · Jan 27, 2010 - [P65161-00011-041](https://drs.faa.gov/browse/excelExternalWindow/062217CBB575DDB4862576F6004E13BF.0001): Fairing Assembly. Master Support Inc · PMA PQ1723CE · Replaces 65161-00011-041 · Jan 27, 2010 - [35300-401](https://drs.faa.gov/browse/excelExternalWindow/ABE1C0D3468E9C88862572A500623D2A.0001): Auxiliary Hydraulic System. Kawak Aviation Technologies Inc · PMA PQ1998NM · Modification part · Aug 24, 2006 - [RG-390E](https://drs.faa.gov/browse/excelExternalWindow/C546918B0B1A0FBD862575A100542ACA.0001): Battery. Concorde Battery Corp · PMA PQ1174NM · Replaces MA-11 · Mar 1, 2005 - [P65150-00067-111](https://drs.faa.gov/browse/excelExternalWindow/FFE288A0F7D4972C852570490056D46C.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-111 · Feb 22, 2005 - [P65150-00067-109](https://drs.faa.gov/browse/excelExternalWindow/FC3880873C2FD932852570490056D46A.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-109 · Feb 22, 2005 - [P65150-00067-104](https://drs.faa.gov/browse/excelExternalWindow/F9FB8F299CD997D0852570490056D465.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-104 · Feb 22, 2005 - [P65150-00066-130](https://drs.faa.gov/browse/excelExternalWindow/F80583E2E281EC24852570490056D461.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-130 · Feb 22, 2005 - [P65150-00066-112](https://drs.faa.gov/browse/excelExternalWindow/F4000C74266891CF852570490056D44F.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-112 · Feb 22, 2005 - [P65150-00066-118](https://drs.faa.gov/browse/excelExternalWindow/ED08F0804DB70926852570490056D455.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-118 · Feb 22, 2005 - [P65150-00067-116](https://drs.faa.gov/browse/excelExternalWindow/E98109D074AAE6C4852570490056D471.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-116 · Feb 22, 2005 - [P65150-00067-113](https://drs.faa.gov/browse/excelExternalWindow/E852D655671957F0852570490056D46E.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-113 · Feb 22, 2005 - [P65150-00066-117](https://drs.faa.gov/browse/excelExternalWindow/DEF7DE0D7FF42C17852570490056D454.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-117 · Feb 22, 2005 - [P65150-00066-104](https://drs.faa.gov/browse/excelExternalWindow/D6B4871FCF46E59B852570490056D448.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-104 · Feb 22, 2005 - [P65150-00066-127](https://drs.faa.gov/browse/excelExternalWindow/D4EC9DCB4BC8D20E852570490056D45E.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-127 · Feb 22, 2005 - [P65150-00066-106](https://drs.faa.gov/browse/excelExternalWindow/D1A921520AFD3969852570490056D44A.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-106 · Feb 22, 2005 - [P65150-00066-109](https://drs.faa.gov/browse/excelExternalWindow/C2C379500DC81505852570490056D44C.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-109 · Feb 22, 2005 - [P65150-00067-124](https://drs.faa.gov/browse/excelExternalWindow/BC91A1408CF00F2E852570490056D479.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-124 · Feb 22, 2005 - [P65150-00066-103](https://drs.faa.gov/browse/excelExternalWindow/A1ABF64699F9582F852570490056D447.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-103 · Feb 22, 2005 - [P65150-00066-120](https://drs.faa.gov/browse/excelExternalWindow/A0CF1241CD53750E852570490056D457.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-120 · Feb 22, 2005 - [P65150-00067-114](https://drs.faa.gov/browse/excelExternalWindow/A01C8DDC5D0EDFF7852570490056D46F.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-114 · Feb 22, 2005 - [P65150-00066-123](https://drs.faa.gov/browse/excelExternalWindow/9E30D6BD0EA6AACC852570490056D45A.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-123 · Feb 22, 2005 - [P65150-00067-117](https://drs.faa.gov/browse/excelExternalWindow/96FE39EFEB79F18A852570490056D472.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-117 · Feb 22, 2005 - [P65150-00066-122](https://drs.faa.gov/browse/excelExternalWindow/92B8F8E50478E9BE852570490056D459.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-122 · Feb 22, 2005 - [P65150-00067-118](https://drs.faa.gov/browse/excelExternalWindow/923DE49F9B19A17F852570490056D473.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-118 · Feb 22, 2005 - [P65150-00067-101](https://drs.faa.gov/browse/excelExternalWindow/8D7AD378A334ABCA852570490056D462.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-101 · Feb 22, 2005 - [P65150-00066-113](https://drs.faa.gov/browse/excelExternalWindow/8A320DA497B2C5DD852570490056D450.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-113 · Feb 22, 2005 - [P65150-00067-102](https://drs.faa.gov/browse/excelExternalWindow/8550DD1E88859E6E852570490056D463.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-102 · Feb 22, 2005 - [P65150-00066-126](https://drs.faa.gov/browse/excelExternalWindow/7EE2804F8DE92FF0852570490056D45D.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-126 · Feb 22, 2005 - [P65150-00067-106](https://drs.faa.gov/browse/excelExternalWindow/7D4EA699E78C5EDF852570490056D467.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-106 · Feb 22, 2005 - [P65150-00066-116](https://drs.faa.gov/browse/excelExternalWindow/7A32B644C8306EC2852570490056D453.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-116 · Feb 22, 2005 - [P65150-00067-112](https://drs.faa.gov/browse/excelExternalWindow/78D67F0432950FCD852570490056D46D.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-112 · Feb 22, 2005 - [P65150-00067-107](https://drs.faa.gov/browse/excelExternalWindow/76CCC2F18561EEE8852570490056D468.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-107 · Feb 22, 2005 - [P65150-00066-114](https://drs.faa.gov/browse/excelExternalWindow/75A753AE444B2161852570490056D451.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-114 · Feb 22, 2005 - [P65150-00066-101](https://drs.faa.gov/browse/excelExternalWindow/698C078E13466935852570490056D445.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-101 · Feb 22, 2005 - [P65150-00067-125](https://drs.faa.gov/browse/excelExternalWindow/5E8D69F175ADC4EF852570490056D47A.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-125 · Feb 22, 2005 - [P65150-00066-102](https://drs.faa.gov/browse/excelExternalWindow/5DF1A6428A467D66852570490056D446.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-102 · Feb 22, 2005 - [P65150-00066-129](https://drs.faa.gov/browse/excelExternalWindow/5BE0FD9103374AE7852570490056D460.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-129 · Feb 22, 2005 - [P65150-00066-110](https://drs.faa.gov/browse/excelExternalWindow/5860D28FC4E6F293852570490056D44D.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-110 · Feb 22, 2005 - [P65150-00066-107](https://drs.faa.gov/browse/excelExternalWindow/53C69B2F4C7440A1852570490056D44B.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-107 · Feb 22, 2005 - [P65150-00067-103](https://drs.faa.gov/browse/excelExternalWindow/51E4472264108838852570490056D464.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-103 · Feb 22, 2005 - [P65150-00067-115](https://drs.faa.gov/browse/excelExternalWindow/4DCD37E75F4AD2DC852570490056D470.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-115 · Feb 22, 2005 - [P65150-00066-124](https://drs.faa.gov/browse/excelExternalWindow/480CA953544B8DC9852570490056D45B.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-124 · Feb 22, 2005 - [P65150-00067-121](https://drs.faa.gov/browse/excelExternalWindow/46389A1805AEC6B5852570490056D476.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00067-121 · Feb 22, 2005 - [P65150-00066-119](https://drs.faa.gov/browse/excelExternalWindow/44C8042D07143966852570490056D456.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-119 · Feb 22, 2005 - [P65150-00066-121](https://drs.faa.gov/browse/excelExternalWindow/3E18B16F6259063F852570490056D458.0001): Bolt, Cuff Attach. Master Support Inc · Replaces 65150-00066-121 · Feb 22, 2005 All of them: https://openairdocs.org/model/sikorsky-ch-54b/pma.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Helicopter Transport Services CH-54B](https://openairdocs.org/model/helicopter-transport-services-ch-54b): 5 registered aircraft, registry code 4450003 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.