# JASC 3443: Doppler System

- Type: JASC system/component code (FAA)
- ATA chapter: 34 Navigation
- Title in the code table: DOPPLER SYSTEM
- Service difficulty reports: 110
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=39
- Page: https://openairdocs.org/jasc/3443

## What it covers

The airborne radar system which utilizes the Doppler effect to measure and display ground speed, drift angle, cross track, etc.

## Latest service difficulty reports

- [SDR CNMA20261007001](https://openairdocs.org/sdr/CNMA20261007001), Oct 5, 2026: DRIVE UNIT, INOPERATIVE (N819AX)
- [SDR IPXA2025031292106](https://openairdocs.org/sdr/IPXA2025031292106), Mar 12, 2025: KNOB, OUT OF ADJUST (N393UP)
- [SDR AALA202401098436](https://openairdocs.org/sdr/AALA202401098436), Jan 6, 2024: ANTENNA, FAULTY (N804NN)
- [SDR AALA202401096029](https://openairdocs.org/sdr/AALA202401096029), Jan 6, 2024: ANTENNA, FAULTY (N804NN)
- [SDR AALA202401090549](https://openairdocs.org/sdr/AALA202401090549), Jan 6, 2024: ANTENNA, FAULTY (N804NN)
- [SDR SIMA20230712001](https://openairdocs.org/sdr/SIMA20230712001), Jul 12, 2023: UNKNOWN, UNKNOWN (N232NN)
- [SDR CALA2022101802849](https://openairdocs.org/sdr/CALA2022101802849), Oct 18, 2022: RADAR, FAULTY (N447UA)
- [SDR CALA2022101202776](https://openairdocs.org/sdr/CALA2022101202776), Oct 12, 2022: WINDSHEAR SYS, WARNING MESSAGE (N18220)
- [SDR ASAA2022092440054](https://openairdocs.org/sdr/ASAA2022092440054), Sep 24, 2022: BLOWER, FAILED (N560AS)
- [SDR CALA2022092302448](https://openairdocs.org/sdr/CALA2022092302448), Sep 23, 2022: NONE, NONE (N37528)
- [SDR ASAA2022091539979](https://openairdocs.org/sdr/ASAA2022091539979), Sep 15, 2022: RADAR, FAULTED (N593AS)
- [SDR CALA2022091402345](https://openairdocs.org/sdr/CALA2022091402345), Sep 14, 2022: NONE, INOPERATIVE (N414UA)
- [SDR ASAA2022090939921](https://openairdocs.org/sdr/ASAA2022090939921), Sep 9, 2022: RADAR, INTERMITTENT (N467AS)
- [SDR ASAA2022090939920](https://openairdocs.org/sdr/ASAA2022090939920), Sep 9, 2022: TRANSCEIVER, FAILED (N467AS)
- [SDR ASAA2022082939705](https://openairdocs.org/sdr/ASAA2022082939705), Aug 29, 2022: ANTENNA, FAILED (N588AS)
- [SDR ASAA2022082839689](https://openairdocs.org/sdr/ASAA2022082839689), Aug 28, 2022: RADAR, WARNING MESSAGE (N588AS)
- [SDR CALA2022082602174](https://openairdocs.org/sdr/CALA2022082602174), Aug 26, 2022: NONE, NONE (N654UA)
- [SDR CALA2022082402147](https://openairdocs.org/sdr/CALA2022082402147), Aug 24, 2022: RADAR, FAILED (N654UA)
- [SDR ASAA2022082339621](https://openairdocs.org/sdr/ASAA2022082339621), Aug 23, 2022: DISPLAY, FAULTY (N461AS)
- [SDR ASAA2022082039571](https://openairdocs.org/sdr/ASAA2022082039571), Aug 20, 2022: CONTROL PANEL, FAILED (N563AS)
- [SDR ASAA2022080539398](https://openairdocs.org/sdr/ASAA2022080539398), Aug 5, 2022: PROCESSOR, FAULTY (N926AK)
- [SDR ASAA2022080439395](https://openairdocs.org/sdr/ASAA2022080439395), Aug 4, 2022: RADAR, FAILED (N564AS)
- [SDR CALA2022080101927](https://openairdocs.org/sdr/CALA2022080101927), Aug 1, 2022: TRANSCEIVER, FAILED (N77066)
- [SDR CALA2022072701885](https://openairdocs.org/sdr/CALA2022072701885), Jul 27, 2022: RADAR, INOPERATIVE (N457UA)
- [SDR ASAA2022070938996](https://openairdocs.org/sdr/ASAA2022070938996), Jul 9, 2022: CONTROL PANEL, FAULTY (N534AS)
- [SDR CALA2022062901609](https://openairdocs.org/sdr/CALA2022062901609), Jun 29, 2022: TRANSCEIVER, INOPERATIVE (N13750)
- [SDR P5CA2022062500145](https://openairdocs.org/sdr/P5CA2022062500145), Jun 25, 2022: DRIVE UNIT, INOPERATIVE (N714SA)
- [SDR QXEA2022062300230](https://openairdocs.org/sdr/QXEA2022062300230), Jun 22, 2022: TCAS SYSTEM, INOPERATIVE (N627QX)
- [SDR CALA2022061501511](https://openairdocs.org/sdr/CALA2022061501511), Jun 15, 2022: TRANSCEIVER, FAILED (N16701)
- [SDR UIEA2022053000558](https://openairdocs.org/sdr/UIEA2022053000558), May 30, 2022: DRIVE ASSY, FAILED (N418MC)
- [SDR ABXA20220519](https://openairdocs.org/sdr/ABXA20220519), May 19, 2022: NONE, NONE (N317CM)
- [SDR ASAA2022051738358](https://openairdocs.org/sdr/ASAA2022051738358), May 17, 2022: CONTROL PANEL, DEGRADED (N467AS)
- [SDR ASAA2022051638352](https://openairdocs.org/sdr/ASAA2022051638352), May 16, 2022: RADAR, FAILED (N579AS)
- [SDR ASAA2022051538342](https://openairdocs.org/sdr/ASAA2022051538342), May 15, 2022: DRIVE UNIT, FAILED (N467AS)
- [SDR ASAA2022051238308](https://openairdocs.org/sdr/ASAA2022051238308), May 12, 2022: RADAR, INTERMITTENT (N402AS)
- [SDR ASAA2022050438198](https://openairdocs.org/sdr/ASAA2022050438198), May 4, 2022: RADAR, FAULTED (N479AS)
- [SDR ASAA2022050338199](https://openairdocs.org/sdr/ASAA2022050338199), May 3, 2022: CONTROL PANEL, FAILED (N474AS)
- [SDR SIMA20220501003](https://openairdocs.org/sdr/SIMA20220501003), May 1, 2022: NONE, UNSERVICEABLE (N918AE)
- [SDR ASAA2022042938173](https://openairdocs.org/sdr/ASAA2022042938173), Apr 29, 2022: RADAR, INOPERATIVE (N467AS)
- [SDR I5PA2022032575702](https://openairdocs.org/sdr/I5PA2022032575702), Mar 25, 2022: WAVE GUIDE, DAMAGED (N757QM)
- [SDR CALA2022011800169](https://openairdocs.org/sdr/CALA2022011800169), Jan 17, 2022: SWITCH, DEFECTIVE (N68801)
- [SDR CALA2021122002413](https://openairdocs.org/sdr/CALA2021122002413), Dec 20, 2021: RADAR, WARNING MESSAGE (N15710)
- [SDR CALA2021121302358](https://openairdocs.org/sdr/CALA2021121302358), Dec 12, 2021: CONTROL PANEL, INOPERATIVE (N38443)
- [SDR UIEA2021111502418](https://openairdocs.org/sdr/UIEA2021111502418), Nov 12, 2021: NONE, NONE (N1229A)
- [SDR UIEA2021111202401](https://openairdocs.org/sdr/UIEA2021111202401), Nov 12, 2021: NONE, NONE (N649GT)
- [SDR UIEA2021111102398](https://openairdocs.org/sdr/UIEA2021111102398), Nov 11, 2021: NONE, NONE (N1229A)
- [SDR UIEA2021111002387](https://openairdocs.org/sdr/UIEA2021111002387), Nov 9, 2021: NONE, NONE (N1361A)
- [SDR CALA2021102901998](https://openairdocs.org/sdr/CALA2021102901998), Oct 28, 2021: TRANSCEIVER, INOPERATIVE (N14735)
- [SDR UIEA2021102402277](https://openairdocs.org/sdr/UIEA2021102402277), Oct 23, 2021: NONE, NONE (N1487A)
- [SDR 2022F00088](https://openairdocs.org/sdr/2022F00088), Oct 13, 2021: WEBBING, MISALIGNED (N742AM)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.