# N43CU: 1990 Boeing CH-47D - Status: Valid registration - Airframe: [Boeing CH-47D](https://openairdocs.org/model/boeing-ch-47d) (registry code 138160A, 44 seats) - Engine: [Honeywell T55-GA-714A](https://openairdocs.org/engine/honeywell-t55-ga-714a) (registry code 33886) - Data sheets: [TCDS R00051SE](https://openairdocs.org/tcds/R00051SE) (Columbia Helicopters Inc.) (OpenAirDocs) - Serial number: 90-0182 - Year built: 1990 - Type: Rotorcraft - Engine type: Turbo-shaft - Airworthiness: Restricted, agriculture and pest control, forest, other - Airworthiness date: April 19, 2021 - Certificate issued: August 15, 2019 - Expires: August 31, 2029 - Mode S code: A5210A - Registered owner: [Uc Helitanker 1 LLC](https://openairdocs.org/faa-owner/UC%20HELITANKER%201%20LLC) - Location: [Arcadia, CA](https://openairdocs.org/faa-place/CA/Arcadia) - Owner type: LLC - Owner's area on the map: 34.1352° N, 118.0267° W: Placed by OpenAirDocs at the center of ZIP code 91006, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=43CU - Page: https://openairdocs.org/aircraft/N43CU From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. ## ADs that may apply (OpenAirDocs): 4 in force ### Matched by airframe (Boeing CH-47D) - [AD 2024-20-05](https://openairdocs.org/ad/2024-20-05): Flight control systems · Columbia Helicopters 234 and CH-47D. Effective Oct 28, 2024 - [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 - [AD 2021-23-06](https://openairdocs.org/ad/2021-23-06): Rotor flight controls · Columbia Helicopters 234 and CH-47D. Effective Jan 4, 2022 - [AD 2018-16-11](https://openairdocs.org/ad/2018-16-11): Main Rotor Head · Billings Flying Service CH-47D, 234, CH-47D and 1 more. Effective Sep 17, 2018 ### Matched by engine (Honeywell T55-GA-714A) None in force. ### Historical (superseded or no longer in force) - [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more.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 ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N43CU. ## FAA accident and incident reports None matched to N43CU. ## Service difficulty reports (10) As reported by operators and repair stations. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. - [SDR 2024FA0000478](https://openairdocs.org/sdr/2024FA0000478), Jun 25, 2024: LINK. CORRODED. DURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION F - [SDR 2024FA0000477](https://openairdocs.org/sdr/2024FA0000477), Jun 25, 2024: LINK. CORRODED. DURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION F - [SDR 2024FA0000476](https://openairdocs.org/sdr/2024FA0000476), Jun 25, 2024: LINK. CORRODED. DURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION F - [SDR 2024FA0000475](https://openairdocs.org/sdr/2024FA0000475), Jun 25, 2024: LINK. CORRODED. DURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION F - [SDR 2024FA0000473](https://openairdocs.org/sdr/2024FA0000473), Jun 25, 2024: LINK. CORRODED. DURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION F - [SDR 2024FA0000472](https://openairdocs.org/sdr/2024FA0000472), Jun 25, 2024: LINK. CORRODED. DURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION F - [SDR 2024FA0000471](https://openairdocs.org/sdr/2024FA0000471), Jun 25, 2024: LINK. CORRODED. DUE TO CORROSION ON ASSOCIATED LINK, PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS - [SDR 2024FA0000468](https://openairdocs.org/sdr/2024FA0000468), Jun 25, 2024: LINK. CORRODED. DUE TO CORROSION ON ASSOCIATED LINK, PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CONTROLS - [SDR 2024FA0000467](https://openairdocs.org/sdr/2024FA0000467), Jun 25, 2024: LINK. CORRODED. DUE TO CORROSION FOUND ON ASSOCIATED LINK, PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION FOUND IN OTHER FLIGHT CON - [SDR 2024FA0000466](https://openairdocs.org/sdr/2024FA0000466), Jun 25, 2024: LINK. CORRODED. DURING RIG OF FLIGHT CONTROLS NOTED OBSTRUCTION IN ROD-END THREAD. PERFORMED BORESCOPE AND FOUND HEAVY CORROSION IN THREADS. THIS IS CONCURRENT WITH CORROSION F ## STCs that may be installed (OpenAirDocs) (5) Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do. ### Approved for the airframe (Boeing CH-47D) - [STC SR02510SE](https://openairdocs.org/stc/SR02510SE): Installation of a Supplemental Lighting System. Aviation Specialties Unlimited Inc - [STC SR04590CH](https://openairdocs.org/stc/SR04590CH): Installation of a Helitak FT11K Liquid Dispensing System. Helitak USA, LLC - [STC SR02599SE](https://openairdocs.org/stc/SR02599SE): Installation of a Kawak Aviation Technologies Model 41300 auxiliary hydraulic system. Kawak Aviation Technologies, Inc - [STC SR12015SE](https://openairdocs.org/stc/SR12015SE): Installation of Green Power Monitoring Systems International, Inc. (GPMS) Foresight MX Flight Data Monitoring System (FDMS). GPMS International Inc - [STC SR02466SE](https://openairdocs.org/stc/SR02466SE): Installation of the Simplex Model 347 aerial dispensing of liquids system. Simplex Manufacturing Company ## Earlier aircraft with N43CU The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N43CU before. - [Cancelled 2012-01-03](https://openairdocs.org/deregistered/N43CU-2012-01-03): Cirrus Design SR20, S/N 2109. Exported to China. Owner: [Cirrus Design Corp](https://openairdocs.org/faa-owner/CIRRUS%20DESIGN%20CORP), [Duluth, MN](https://openairdocs.org/faa-place/MN/Duluth) ## Related - Other Boeing CH-47D aircraft: https://openairdocs.org/model/boeing-ch-47d/aircraft.md - The Honeywell T55-GA-714A engine: https://openairdocs.org/engine/honeywell-t55-ga-714a.md --- 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.