# JASC 3440: Independent Position Determining System - Type: JASC system/component code (FAA) - ATA chapter: 34 Navigation - Title in the code table: INDEPENDENT POS. DETERMINING SYSTEM - Service difficulty reports: 261 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=39 - Page: https://openairdocs.org/jasc/3440 ## What it covers The system which provides information to determine position and is primarily independent of ground installations. Use this code for reports of a general nature or for reports containing insufficient information to file in a more specific code identified in JASC codes 3441 through 3446. Typical parts are star tracker, sextants/octants, etc. ## Latest service difficulty reports - [SDR AALA202607305439](https://openairdocs.org/sdr/AALA202607305439), Jul 29, 2026: DEU, INOPERATIVE (N907NN) - [SDR J7SA2026072800496](https://openairdocs.org/sdr/J7SA2026072800496), Jul 24, 2026: RADIO, FAULTED (N379FX) - [SDR J7SA2026072800503](https://openairdocs.org/sdr/J7SA2026072800503), Jul 23, 2026: RADIO, FAULTED (N389FX) - [SDR J7SA2026072800502](https://openairdocs.org/sdr/J7SA2026072800502), Jul 23, 2026: RADIO, FAULTED (N387FX) - [SDR J7SA2026072800501](https://openairdocs.org/sdr/J7SA2026072800501), Jul 23, 2026: RADIO, FAULTED (N386FX) - [SDR J7SA2026072800500](https://openairdocs.org/sdr/J7SA2026072800500), Jul 23, 2026: RADIO, FAULTED (N385FX) - [SDR J7SA2026072300493](https://openairdocs.org/sdr/J7SA2026072300493), Jul 23, 2026: POSITION UNIT, FAULTED (N391FX) - [SDR J7SA2026072300492](https://openairdocs.org/sdr/J7SA2026072300492), Jul 23, 2026: POSITION UNIT, FAULTED (N388FX) - [SDR J7SA2026072300491](https://openairdocs.org/sdr/J7SA2026072300491), Jul 23, 2026: POSITION UNIT, FAULTED (N383FX) - [SDR J7SA2026072300490](https://openairdocs.org/sdr/J7SA2026072300490), Jul 23, 2026: POSITION UNIT, FAULTED (N381FX) - [SDR J7SA2026072300489](https://openairdocs.org/sdr/J7SA2026072300489), Jul 23, 2026: POSITION UNIT, FAULTED (N378FX) - [SDR J7SA2026072300488](https://openairdocs.org/sdr/J7SA2026072300488), Jul 23, 2026: POSITION UNIT, FAULTED (N377FX) - [SDR J7SA2026072800505](https://openairdocs.org/sdr/J7SA2026072800505), Jul 22, 2026: RADIO, FAULTED (N392FX) - [SDR J7SA2026072800504](https://openairdocs.org/sdr/J7SA2026072800504), Jul 22, 2026: RADIO, FAULTED (N390FX) - [SDR J7SA2026072800499](https://openairdocs.org/sdr/J7SA2026072800499), Jul 22, 2026: RADIO, FAULTED (N384FX) - [SDR J7SA2026072800498](https://openairdocs.org/sdr/J7SA2026072800498), Jul 22, 2026: RADIO, FAULTED (N382FX) - [SDR J7SA2026072800497](https://openairdocs.org/sdr/J7SA2026072800497), Jul 22, 2026: RADIO, FAULTED (N380FX) - [SDR J7SA2026072800495](https://openairdocs.org/sdr/J7SA2026072800495), Jul 22, 2026: RADIO, FAULTED (N376FX) - [SDR DXTA2026010906452](https://openairdocs.org/sdr/DXTA2026010906452), Jan 5, 2026: AHRS, FAULTED (N907QS) - [SDR DXTA2026010806442](https://openairdocs.org/sdr/DXTA2026010806442), Jan 4, 2026: IRU, FAULTY (N793QS) - [SDR IPXA2025122272606](https://openairdocs.org/sdr/IPXA2025122272606), Dec 21, 2025: COMPUTER, FAULTED (N421UP) - [SDR AALA202508211540](https://openairdocs.org/sdr/AALA202508211540), Aug 20, 2025: ADIRU, FAILED (N877NN) - [SDR VNAA2025031711101](https://openairdocs.org/sdr/VNAA2025031711101), Mar 14, 2025: TRANSCEIVER, FAULTED (N718PS) - [SDR ABX2024F00000](https://openairdocs.org/sdr/ABX2024F00000), Dec 19, 2024: TRANSPONDER, FAULTED (N219CY) - [SDR COEA2024111408880](https://openairdocs.org/sdr/COEA2024111408880), Nov 13, 2024: TRANSPONDER, MALFUNCTIONED (N880FE) - [SDR FDEA202407181030](https://openairdocs.org/sdr/FDEA202407181030), Jul 18, 2024: IRU, FAILED (N996FD) - [SDR YENA2023122801655](https://openairdocs.org/sdr/YENA2023122801655), Dec 24, 2023: TRANSCEIVER, FAILED (N4064J) - [SDR ASAA2023100245426](https://openairdocs.org/sdr/ASAA2023100245426), Oct 2, 2023: UNKNOWN, UNKNOWN (N413AS) - [SDR ASAA2023092145234](https://openairdocs.org/sdr/ASAA2023092145234), Sep 21, 2023: UNKNOWN, UNKNOWN (N964AK) - [SDR ASAA2023081644697](https://openairdocs.org/sdr/ASAA2023081644697), Aug 16, 2023: UNKNOWN, UNKNOWN (N479AS) - [SDR SIMA20230806001](https://openairdocs.org/sdr/SIMA20230806001), Aug 6, 2023: RADAR, UNSERVICEABLE (N286NN) - [SDR ASAA2023062843801](https://openairdocs.org/sdr/ASAA2023062843801), Jun 28, 2023: UNKNOWN, UNKNOWN (N942AK) - [SDR ASAA2023062443710](https://openairdocs.org/sdr/ASAA2023062443710), Jun 24, 2023: UNKNOWN, UNKNOWN (N558AS) - [SDR ASAA2023060943533](https://openairdocs.org/sdr/ASAA2023060943533), Jun 9, 2023: UNKNOWN, UNKNOWN (N952AK) - [SDR ASAA2023060643475](https://openairdocs.org/sdr/ASAA2023060643475), Jun 6, 2023: UNKNOWN, UNKNOWN (N468AS) - [SDR ASAA2023053043412](https://openairdocs.org/sdr/ASAA2023053043412), May 30, 2023: UNKNOWN, UNKNOWN (N971AK) - [SDR ASAA2023052643377](https://openairdocs.org/sdr/ASAA2023052643377), May 26, 2023: UNKNOWN, UNKNOWN (N956AK) - [SDR QXEA2023051200081](https://openairdocs.org/sdr/QXEA2023051200081), May 10, 2023: ANTENNA, MALFUNCTIONED (N633QX) - [SDR ASAA2023042943053](https://openairdocs.org/sdr/ASAA2023042943053), Apr 29, 2023: UNKNOWN, UNKNOWN (N919AK) - [SDR ASAA2023041642892](https://openairdocs.org/sdr/ASAA2023041642892), Apr 16, 2023: UNKNOWN, UNKNOWN (N963AK) - [SDR ASAA2023041542891](https://openairdocs.org/sdr/ASAA2023041542891), Apr 15, 2023: UNKNOWN, UNKNOWN (N918AK) - [SDR ASAA2023032342570](https://openairdocs.org/sdr/ASAA2023032342570), Mar 23, 2023: PEDESTAL, FAILED (N402AS) - [SDR ASAA2023031742409](https://openairdocs.org/sdr/ASAA2023031742409), Mar 17, 2023: UNKNOWN, UNKNOWN (N558AS) - [SDR ASAA2023031642408](https://openairdocs.org/sdr/ASAA2023031642408), Mar 16, 2023: CONTROL PANEL, FAILED (N915AK) - [SDR ASAA2023031642406](https://openairdocs.org/sdr/ASAA2023031642406), Mar 16, 2023: UNKNOWN, UNKNOWN (N433AS) - [SDR ASAA2023030742249](https://openairdocs.org/sdr/ASAA2023030742249), Mar 7, 2023: UNKNOWN, UNKNOWN (N942AK) - [SDR ASAA2023030542214](https://openairdocs.org/sdr/ASAA2023030542214), Mar 5, 2023: TRANSCEIVER, FAULTY (N508AS) - [SDR ASAA2023030242185](https://openairdocs.org/sdr/ASAA2023030242185), Mar 2, 2023: UNKNOWN, UNKNOWN (N433AS) - [SDR ASAA2023030242140](https://openairdocs.org/sdr/ASAA2023030242140), Mar 2, 2023: ANTENNA, FAILED (N514AS) - [SDR ASAA2023022742113](https://openairdocs.org/sdr/ASAA2023022742113), Feb 27, 2023: UNKNOWN, UNKNOWN (N464AS) --- From OpenAirDocs.org, an independent open copy of FAA data. 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