# Aviation International Rotors CH-54A - Type: Aircraft model (FAA registry) - Registry code: 8142507 - Manufacturer (registry): AVIATION INTERNATIONAL ROTORS - Model: CH-54A - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Turbo-shaft - Seats: 20 - Weight class: 12,500 to 19,999 lb - Certification: Type certificated - Data sheet: [TCDS H16NM](https://openairdocs.org/tcds/H16NM) (OpenAirDocs) - Holder: Helicopter Transport Services LLC - Registered aircraft: 1 - Page: https://openairdocs.org/model/aviation-international-rotors-ch-54a 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 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023 Historical (superseded or no longer in force): - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021 - [AD 99-07-16](https://openairdocs.org/ad/99-07-16) (historical): Second Stage Lower Planetary Plate · Columbia Helicopters CH-54A and CH-54A. Effective May 6, 1999 ## Registered aircraft (1) - [N792HT](https://openairdocs.org/aircraft/N792HT): [U S Leasco Inc](https://openairdocs.org/faa-owner/U%20S%20LEASCO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1968, S/N 68-18447 ## NTSB investigations (3) 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 LAX07LA210](https://openairdocs.org/ntsb/LAX07LA210), Jul 8, 2007: Aviation International Rotors CH-54A (N44094), Los Olivos, CA, substantial damage. Probable cause: The company mechanic's inadequately performed maintenance and inspection, which resulted in a flight control malfunction and loss of control during takeoff. - [NTSB LAX06GA254](https://openairdocs.org/ntsb/LAX06GA254), Aug 5, 2006: Aviation International Rotors CH-54A (N6156U), Happy Camp, CA, substantial damage, 2 fatal. Probable cause: The fatigue failure of tail rotor blade spindle, which resulted in the separation of the blade and tail rotor gearbox. - [NTSB ANC93IA176](https://openairdocs.org/ntsb/ANC93IA176), Sep 12, 1993: Sikorsky C54A (N44094), Anita Bay, AK, incident, minor damage. Probable cause: THE SEPARATION OF THE TURBINE BLADE FROM THE POWER TURBINE DISC. ## FAA accident and incident reports (3) 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 20070708017629A](https://openairdocs.org/incident/20070708017629A), Jul 8, 2007: Skrsky CH54A (N44094), Los Olivos, CA, Substantial damage. (-23)The location of the accident was figueroa mountain rd, 5 miles north of state route 154 near the community of Los Olivos. This accident investigation… - [Accident 20060804014979A](https://openairdocs.org/incident/20060804014979A), Aug 4, 2006: Skrsky CH54A (N6156U), Happy Camp, CA, Destroyed, 2 fatal. (-23) On August 04, 2006, at 1947 hours PDT, a SK-65-CH54A, N6156U, was destroyed, while hovering over the klamath river. During transition into climb, the… - [Incident 19930912040839I](https://openairdocs.org/incident/19930912040839I), Sep 12, 1993: Skrsky CH54B (N44094), Anita Bay, AK, Minor damage. Lost power NR2 engine. Set down logs and returned to base. Engine case severed at turbine. Lost blade through case. ## Service difficulty reports (7) As reported by operators and repair stations, by the model named in the report. - [SDR H3V2007F00000](https://openairdocs.org/sdr/H3V2007F00000), Jul 8, 2007: PIN. MISSING. ON JULY 8, 2007, HLH EXPERIENCED A HARD GROUND ROLLOVER OF AC. INITIAL INSPECTION OF THE WRECKAGE REVEALED A SERVO PIN, PN 6465-20201-101, FROM THE LT LATERAL S - [SDR HL01102006001](https://openairdocs.org/sdr/HL01102006001), Oct 31, 2006: BEARING. FAILED. MAIN GEAR BOX BEGAN MAKING METAL, THIS WAS NONFERROUS METAL, UPON REMOVAL AND DISASSEMBLY IT WAS DISCOVERED THAT THE 1ST STAGE PLANETARY BEARING, P/NSB2410-2 HA - [SDR H3V2005F00000](https://openairdocs.org/sdr/H3V2005F00000), Jul 19, 2005: STATOR. DAMAGED. FOD DAMAGE FROM RIVETS OF THE 1ST STAGE STATOR REAR AIRSEAL (2ND STAGE) DAMAGED THE COMPRESSOR BLADES. THIS CAUSED A STALL AND THE T5 TEMP ROSE TO 1000 DEGREES - [SDR JYD2001F00001](https://openairdocs.org/sdr/JYD2001F00001), Jun 20, 2001: SHAFT. CRACKED. EIGHT CRACKS FOUND IN LOWER SPLINES OF MAIN ROTOR SHAFT. MAIN GEARBOX PN 6435200400065, SN A6171 WAS REMOVED FOR OVERHAUL HAVING A TOTAL TIME OF 8857.7 AND 1430 - [SDR 20000404SH006](https://openairdocs.org/sdr/20000404SH006), Nov 4, 1999: PUMP. INOPERATIVE. UNIT WAS INOPERABLE. RETURNED TO STOCK. BENCH CHECKED BAD, WINDING SHORTED, LEAKING AROUND ELECTRICAL LEADS. REPLACED COMPLETE UNIT WITH AN EXTERNALLY MOUNTED F - [SDR CHI1791](https://openairdocs.org/sdr/CHI1791), May 23, 1997: LOCKED IN STUD. BROKE. M/R BLADE STUD BROKE (IN TENSION) DIRECTLY BELOW LOCK RING SPLINES ABOVE FIRST THREAD. REPLACED AFFECTED MAIN ROTOR BLADE WITH SERVICEABLE BLADE. - [SDR CHI1752](https://openairdocs.org/sdr/CHI1752), Mar 26, 1997: INTERMED GEARBOX. CRACKED. UPON INSPECTION IAW COLUMBIA HELICOPTERS SB 54-65-2, THE LEFT LOWER INTERMEDIATE GEARBOX MOUNT LUG WAS FOUND CRACKED. THIS WAS FOUND BY FLUORESCENT PENETRANT AN ## STCs that may be installed (OpenAirDocs) (23) 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 SR01241SE](https://openairdocs.org/stc/SR01241SE): Installation of Concorde RG-390E Lead Acid Battery. Helicopter Transport Services LLC - [STC SR02524SE](https://openairdocs.org/stc/SR02524SE): Installation of an electically driven oil cooler and 20KVA generators. 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 SR02303SE](https://openairdocs.org/stc/SR02303SE): Instruction for changing to alternative lubricant. Helicopter Transport Services LLC - [STC SR00506LA](https://openairdocs.org/stc/SR00506LA): Installation of Fire Fighting System. 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 SR00931SE](https://openairdocs.org/stc/SR00931SE): Fabrication of Simplex Model 314 Fire Attack System. Simplex Manufacturing Company - [STC SR00374LA](https://openairdocs.org/stc/SR00374LA): Installation of Fire Fighting System. Heavy Lift Helicopters Inc - [STC SA4302NM](https://openairdocs.org/stc/SA4302NM): Installation of Electronics Int'l digital automatic engine analyzer. Electronics International ## PMA parts (OpenAirDocs) (75, 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. - [R65113-07206-101](https://drs.faa.gov/browse/excelExternalWindow/AC1C89B2A5A360BA86257E7B005C6B52.0001): Boot. Rotair Industries Inc · PMA PQ0781NE · Replaces 65113-07206-101 · Jun 21, 2015 - [314-000 000-003](https://drs.faa.gov/browse/excelExternalWindow/1E86ADB6E7D8F88086257A3300514E49.0001): Model 314 Fire Attack System. Simplex Manufacturing Co · PMA PQ0019NM · Modification part · Jun 19, 2012 - [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 - [P65161-00010-041](https://drs.faa.gov/browse/excelExternalWindow/15D162376E1EF288862576FD00488C86.0001): Pocket Assembly. Master Support Inc · PMA PQ1723CE · Replaces 65161-00010-041 · 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 - [P1515-20326-11](https://drs.faa.gov/browse/excelExternalWindow/FF5FDB99B8A5C392852570490056D650.0001): BOLT. Master Support Inc · Replaces S1515-20326-11 · Apr 24, 2005 - [P1515-20326-6](https://drs.faa.gov/browse/excelExternalWindow/F68CB85CDE587E0D852570490056D662.0001): BOLT. Master Support Inc · Replaces S1515-20326-6 · Apr 24, 2005 - [P1515-20326-3](https://drs.faa.gov/browse/excelExternalWindow/E6CAA924BEFE4804852570490056D65F.0001): BOLT. Master Support Inc · Replaces S1515-20326-3 · Apr 24, 2005 - [P1515-20326-22](https://drs.faa.gov/browse/excelExternalWindow/E2F94A8D9AF2BE3A852570490056D65C.0001): BOLT. Master Support Inc · Replaces S1515-20326-22 · Apr 24, 2005 - [P1515-20326-7](https://drs.faa.gov/browse/excelExternalWindow/E1CB0699B9B5CD4A852570490056D663.0001): BOLT. Master Support Inc · Replaces S1515-20326-7 · Apr 24, 2005 - [P1515-20326-5](https://drs.faa.gov/browse/excelExternalWindow/E168A47C48A6094B852570490056D661.0001): BOLT. Master Support Inc · Replaces S1515-20326-5 · Apr 24, 2005 - [P1515-20426-5](https://drs.faa.gov/browse/excelExternalWindow/DC707F47FF652605852570490056D673.0001): BOLT. Master Support Inc · Replaces S1515-20426-5 · Apr 24, 2005 - [P1515-20326-10](https://drs.faa.gov/browse/excelExternalWindow/D9639A96654895A9852570490056D64F.0001): BOLT. Master Support Inc · Replaces S1515-20326-10 · Apr 24, 2005 - [P1515-20426-16](https://drs.faa.gov/browse/excelExternalWindow/D4690CE2E194D5E8852570490056D66D.0001): BOLT. Master Support Inc · Replaces S1515-20426-16 · Apr 24, 2005 - [P1515-20426-13](https://drs.faa.gov/browse/excelExternalWindow/D2C2EB041D248E66852570490056D66A.0001): BOLT. Master Support Inc · Replaces S1515-20426-13 · Apr 24, 2005 - [P1515-20426-7](https://drs.faa.gov/browse/excelExternalWindow/CACD37E0AD11AB7A852570490056D675.0001): BOLT. Master Support Inc · Replaces S1515-20426-7 · Apr 24, 2005 - [P1515-20426-3](https://drs.faa.gov/browse/excelExternalWindow/BD798E8312303E9F852570490056D671.0001): BOLT. Master Support Inc · Replaces S1515-20426-3 · Apr 24, 2005 - [P1515-20326-20](https://drs.faa.gov/browse/excelExternalWindow/B825882BCD7EFA02852570490056D65A.0001): BOLT. Master Support Inc · Replaces S1515-20326-20 · Apr 24, 2005 - [P1515-20426-8](https://drs.faa.gov/browse/excelExternalWindow/A1C93D4174554B2F852570490056D676.0001): BOLT. Master Support Inc · Replaces S1515-20426-8 · Apr 24, 2005 - [P1515-20426-12](https://drs.faa.gov/browse/excelExternalWindow/A1926883AD23C449852570490056D669.0001): BOLT. Master Support Inc · Replaces S1515-20426-12 · Apr 24, 2005 - [P1515-20426-17](https://drs.faa.gov/browse/excelExternalWindow/94F8CEC796BE0C9A852570490056D66E.0001): BOLT. Master Support Inc · Replaces S1515-20426-17 · Apr 24, 2005 - [P1515-20326-21](https://drs.faa.gov/browse/excelExternalWindow/912E76C169B03F57852570490056D65B.0001): BOLT. Master Support Inc · Replaces S1515-20326-21 · Apr 24, 2005 - [P1515-20426-6](https://drs.faa.gov/browse/excelExternalWindow/8F4B160BDE5277A9852570490056D674.0001): BOLT. Master Support Inc · Replaces S1515-20426-6 · Apr 24, 2005 - [P1515-20326-12](https://drs.faa.gov/browse/excelExternalWindow/8B3A98F4AD39DBAC852570490056D651.0001): BOLT. Master Support Inc · Replaces S1515-20326-12 · Apr 24, 2005 - [P1515-20326-1](https://drs.faa.gov/browse/excelExternalWindow/8A2482CBAD7E52A7852570490056D64E.0001): BOLT. Master Support Inc · Replaces S1515-20326-1 · Apr 24, 2005 - [P1515-20426-1](https://drs.faa.gov/browse/excelExternalWindow/881FA6AA278D49A9852570490056D666.0001): BOLT. Master Support Inc · Replaces S1515-20426-1 · Apr 24, 2005 - [P1515-20326-24](https://drs.faa.gov/browse/excelExternalWindow/84EF9D3A0DCB17DD852570490056D65E.0001): BOLT. Master Support Inc · Replaces S1515-20326-24 · Apr 24, 2005 - [P1515-20426-11](https://drs.faa.gov/browse/excelExternalWindow/843367BF65926392852570490056D668.0001): BOLT. Master Support Inc · Replaces S1515-20426-11 · Apr 24, 2005 - [P1515-20326-4](https://drs.faa.gov/browse/excelExternalWindow/8391CC137C48A861852570490056D660.0001): BOLT. Master Support Inc · Replaces S1515-20326-4 · Apr 24, 2005 - [P1515-20426-18](https://drs.faa.gov/browse/excelExternalWindow/8262E2EB125CF619852570490056D66F.0001): BOLT. Master Support Inc · Replaces S1515-20426-18 · Apr 24, 2005 - [P1515-20326-16](https://drs.faa.gov/browse/excelExternalWindow/81564DF0830675EF852570490056D655.0001): BOLT. Master Support Inc · Replaces S1515-20326-16 · Apr 24, 2005 - [P1515-20426-10](https://drs.faa.gov/browse/excelExternalWindow/74E38E624665A9F5852570490056D667.0001): BOLT. Master Support Inc · Replaces S1515-20426-10 · Apr 24, 2005 - [P1515-20426-9](https://drs.faa.gov/browse/excelExternalWindow/7451B5BACD3B6AA8852570490056D677.0001): BOLT. Master Support Inc · Replaces S1515-20426-9 · Apr 24, 2005 - [P1515-20426-4](https://drs.faa.gov/browse/excelExternalWindow/6E3E4BB07D04B064852570490056D672.0001): BOLT. Master Support Inc · Replaces S1515-20426-4 · Apr 24, 2005 - [P1515-20326-15](https://drs.faa.gov/browse/excelExternalWindow/65A8703C904E728A852570490056D654.0001): BOLT. Master Support Inc · Replaces S1515-20326-15 · Apr 24, 2005 - [P1515-20326-8](https://drs.faa.gov/browse/excelExternalWindow/5AD43F21E67B9F7C852570490056D664.0001): BOLT. Master Support Inc · Replaces S1515-20326-8 · Apr 24, 2005 - [P1515-20426-15](https://drs.faa.gov/browse/excelExternalWindow/5AA99796C46FD7BF852570490056D66C.0001): BOLT. Master Support Inc · Replaces S1515-20426-15 · Apr 24, 2005 - [P1515-20426-2](https://drs.faa.gov/browse/excelExternalWindow/5AA7F99F44437982852570490056D670.0001): BOLT. Master Support Inc · Replaces S1515-20426-2 · Apr 24, 2005 - [P1515-20326-23](https://drs.faa.gov/browse/excelExternalWindow/53A736D48A54D5CD852570490056D65D.0001): BOLT. Master Support Inc · Replaces S1515-20326-23 · Apr 24, 2005 - [P1515-20326-13](https://drs.faa.gov/browse/excelExternalWindow/50033FC642031C5A852570490056D652.0001): BOLT. Master Support Inc · Replaces S1515-20326-13 · Apr 24, 2005 - [P1515-20326-2](https://drs.faa.gov/browse/excelExternalWindow/42D751E31626D4AB852570490056D659.0001): BOLT. Master Support Inc · Replaces S1515-20326-2 · Apr 24, 2005 - [P1515-20326-9](https://drs.faa.gov/browse/excelExternalWindow/3B37DC938B9D62AE852570490056D665.0001): BOLT. Master Support Inc · Replaces S1515-20326-9 · Apr 24, 2005 - [P1515-20426-14](https://drs.faa.gov/browse/excelExternalWindow/29DA1CBCBDEFAB04852570490056D66B.0001): BOLT. Master Support Inc · Replaces S1515-20426-14 · Apr 24, 2005 - [P1515-20326-18](https://drs.faa.gov/browse/excelExternalWindow/21D6CEA9E9884D05852570490056D657.0001): BOLT. Master Support Inc · Replaces S1515-20326-18 · Apr 24, 2005 - [P1515-20326-17](https://drs.faa.gov/browse/excelExternalWindow/1AA4D97617B8CAAA852570490056D656.0001): BOLT. Master Support Inc · Replaces S1515-20326-17 · Apr 24, 2005 - [P1515-20326-19](https://drs.faa.gov/browse/excelExternalWindow/1518276DB2ECE968852570490056D658.0001): BOLT. Master Support Inc · Replaces S1515-20326-19 · Apr 24, 2005 - [P1515-20326-14](https://drs.faa.gov/browse/excelExternalWindow/10787DEECB3C81D3852570490056D653.0001): BOLT. Master Support Inc · Replaces S1515-20326-14 · Apr 24, 2005 All of them: https://openairdocs.org/model/aviation-international-rotors-ch-54a/pma.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Siller Helicopters CH-54A](https://openairdocs.org/model/siller-helicopters-ch-54a): 3 registered aircraft, registry code 8142567 - [Helicopter Transport SVC CH-54A](https://openairdocs.org/model/helicopter-transport-svc-ch-54a): 1 registered aircraft, registry code 4450002 - [Sikorsky CH-54A](https://openairdocs.org/model/sikorsky-ch-54a): 1 registered aircraft, registry code 8142501 - [Evergreen Helicopters CH-54A](https://openairdocs.org/model/evergreen-helicopters-ch-54a): 1 registered aircraft, registry code 8142508 - [Silver Bay Logging CH-54A](https://openairdocs.org/model/silver-bay-logging-ch-54a): 0 registered aircraft, registry code 8160000 --- 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.