# United States tariff line 8543.70.42.00: Flight data recorders > In the United States tariff, line 8543.70.42.00 covers other machines and apparatus, electric synchros and transducers; flight data recorders; defrosters and demisters with electric resistors for aircraft, flight data recorders. Goods under this line enter free of general (MFN) duty. It falls under HS subheading 8543.70 in heading 85.43 (chapter 85). Source: https://border.bot/countries/united-states/hs-codes/8543704200 Last updated: 9 October 2026 [Countries](https://border.bot/countries) / [United States](https://border.bot/countries/united-states) / [Chapter 85](https://border.bot/countries/united-states/hs-codes/85) / [8543.70](https://border.bot/countries/united-states/hs-codes/854370) / [8543.70.42.00](https://border.bot/countries/united-states/hs-codes/8543704200) ## Key facts - Tariff line: 8543.70.42.00 - Covers: Other machines and apparatus, electric synchros and transducers; flight data recorders; defrosters and demisters with electric resistors for aircraft, flight data recorders - Duty (MFN): Free - Additional duties: None recorded - Restrictions: None recorded - Tariff: [United States](https://border.bot/countries/united-states) - HS subheading: [8543.70](https://border.bot/hs-codes/854370) ## What this line covers In the United States tariff, line 8543.70.42.00 covers other machines and apparatus, electric synchros and transducers; flight data recorders; defrosters and demisters with electric resistors for aircraft, flight data recorders. Its legal text is “Flight data recorders”, read under “Other machines and apparatus” and “Electric synchros and transducers; flight data recorders; defrosters and demisters with electric resistors for aircraft”. ## How it is structured It falls under HS subheading 8543.70 in heading 85.43 (chapter 85). The first six digits are the Harmonized System code; the 4 digits after them are added by the United States tariff. - Chapter 85: Electrical machinery and equipment and parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers, and parts and accessories of such articles - Heading 85.43: Electrical machines and apparatus, having individual functions, not specified or included elsewhere in this chapter; parts thereof - Subheading 8543.70: Other machines and apparatus - Within the subheading: Electric synchros and transducers; flight data recorders; defrosters and demisters with electric resistors for aircraft - Line 8543.70.42.00: Flight data recorders ## Duty Goods under this line enter free of general (MFN) duty. ## In other countries No other national tariff on border.bot has live lines under 8543.70 yet. - [The Harmonized System text for 8543.70](https://border.bot/hs-codes/854370) ## Other lines under 8543.70 - [8543.70.20.00](https://border.bot/countries/united-states/hs-codes/8543702000) Physical vapor deposition apparatus - [8543.70.45.00](https://border.bot/countries/united-states/hs-codes/8543704500) Other - [8543.70.60.00](https://border.bot/countries/united-states/hs-codes/8543706000) Articles designed for connection to telegraphic or telephonic apparatus or instruments or to telegraphic or telephonic networks - [8543.70.71.00](https://border.bot/countries/united-states/hs-codes/8543707100) Electric luminescent lamps - [8543.70.80.00](https://border.bot/countries/united-states/hs-codes/8543708000) Microwave amplifiers - [8543.70.85.00](https://border.bot/countries/united-states/hs-codes/8543708500) For electrical nerve stimulation - [8543.70.88.00](https://border.bot/countries/united-states/hs-codes/8543708800) Electrical machines with translation or dictionary functions; video game console controllers which use infrared transmissions to operate or access the various functions and capabilities of the console - [8543.70.89.00](https://border.bot/countries/united-states/hs-codes/8543708900) Other portable battery operated electronic readers for recording and reproducing text, still images or audio files - [8543.70.91.00](https://border.bot/countries/united-states/hs-codes/8543709100) Digital signal processing apparatus capable of connecting to a wired or wireless network for the mixing of sound - [8543.70.93.01](https://border.bot/countries/united-states/hs-codes/8543709301) Portable interactive electronic education devices primarily designed for children - [8543.70.95.00](https://border.bot/countries/united-states/hs-codes/8543709500) Touch-sensitive data input devices (so-called "touch screens") without display capabilities, for incorporation into apparatus having a display, which function by detecting the presence and location of a touch within the display area (such sensing may be obtained by means of resistance, electrostatic capacity, acoustic pulse recognition, infra-red lights or other touch-sensitive technology) - [8543.70.97.00](https://border.bot/countries/united-states/hs-codes/8543709700) Plasma cleaner machines that remove organic contaminants from electron microscopy specimens and specimen holders - [8543.70.98.10](https://border.bot/countries/united-states/hs-codes/8543709810) Amplifiers - [8543.70.98.20](https://border.bot/countries/united-states/hs-codes/8543709820) Special effects pedals for use with musical instruments - [8543.70.98.60](https://border.bot/countries/united-states/hs-codes/8543709860) Other - Previous line: [8543.70.20.00](https://border.bot/countries/united-states/hs-codes/8543702000) Physical vapor deposition apparatus - Next line: [8543.70.45.00](https://border.bot/countries/united-states/hs-codes/8543704500) Other ## Frequently asked questions ### What does tariff line 8543.70.42.00 cover in the United States tariff? In the United States tariff, line 8543.70.42.00 covers other machines and apparatus, electric synchros and transducers; flight data recorders; defrosters and demisters with electric resistors for aircraft, flight data recorders. ### What is the general (MFN) duty on 8543.70.42.00 in the United States? Goods under this line enter free of general (MFN) duty. ## Sources and updates The tariff lines for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The duty rates for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. The trade programmes for the United States come from border.bot release 1 (edition 2026HTSRev21), read from the publisher’s files, and have been live since 9 October 2026. This page was last updated on 9 October 2026. Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling. Official source files: - https://hts.usitc.gov/reststop/exportList?from=0000000000&to=9999999999&format=CSV&styles=false Machine-readable: https://border.bot/countries/united-states/hs-codes/8543704200.json