# Evergreen Helicopters CH-54A - Type: Aircraft model (FAA registry) - Registry code: 8142508 - Manufacturer (registry): EVERGREEN HELICOPTERS INC - Model: CH-54A - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 2 · Turbo-shaft - Seats: 7 - Weight class: 12,500 to 19,999 lb - Certification: Type certificated - Data sheet: [TCDS R00009SE](https://openairdocs.org/tcds/R00009SE) (OpenAirDocs) - Holder: Helicopter Transport Services LLC - Registered aircraft: 1 - Page: https://openairdocs.org/model/evergreen-helicopters-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. None matched. ## Registered aircraft (1) - [N795HT](https://openairdocs.org/aircraft/N795HT): [U S Leaseco Inc](https://openairdocs.org/faa-owner/U%20S%20LEASECO%20INC), [Aurora, OR](https://openairdocs.org/faa-place/OR/Aurora), built 1968, S/N 6818458 ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## 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) (18) 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 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 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 SR01192LA](https://openairdocs.org/stc/SR01192LA): Installation of a 2,000 gallon RADS11-200 Helitank Fire Retardant System. United Aeronautical Corporation - [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 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 SR00931SE](https://openairdocs.org/stc/SR00931SE): Fabrication of Simplex Model 314 Fire Attack System. Simplex Manufacturing Company ## PMA parts (OpenAirDocs) (1) 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. - [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 ## 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 - [Aviation International Rotors CH-54A](https://openairdocs.org/model/aviation-international-rotors-ch-54a): 1 registered aircraft, registry code 8142507 - [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.