# JASC 3456: Omega Navigation System - Type: JASC system/component code (FAA) - ATA chapter: 34 Navigation - Title in the code table: OMEGA NAVIGATION SYSTEM - Service difficulty reports: 9 - FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=41 - Page: https://openairdocs.org/jasc/3456 ## What it covers The low frequency navigation system which provides for system geographical location of the aircraft on a worldwide basis when operating on signals from ground-based OMEGA and VHF transmitting stations. Typical parts are antenna, control unit or receiver, coaxial connecting cable, remote switches, connectors, etc. ## Service difficulty reports (9) - [SDR SWIA202266164](https://openairdocs.org/sdr/SWIA202266164), Jun 4, 2022: Cndair CL6002B19. NONE. DAMAGED. THE ADF ANTENNA HAS ONE NUTPLATE SPINNING WITH THE SCREW STILL INSTALLED AND REQUIRES REPLACEMENT.THE LH MIDDLE NUTPLATE (N961SW) - [SDR SIMA201906176001](https://openairdocs.org/sdr/SIMA201906176001), Jun 16, 2019: Emb EMB135KL. FMS. MALFUNCTIONED. UNRELIABLE NAV INFORMATION IN FLIGHT BETWEEN FO X CA MFD FMS AND GPS-C/A-RESET AND PERFORMED OPC CHECK OF FMS/GPS IAW AM (N810AE) - [SDR RU3A20130716009](https://openairdocs.org/sdr/RU3A20130716009), Jul 15, 2013: Lear 60LEAR. TRANSPONDER. FAULTY. DURING PRE-START CHECKS WITH ACFT BATTERIES ON AND APU RUNNING AND ALL SYSTEMS (AFIS, AVIONICS) OPERATING, DISTINCT ACRI (N57) - [SDR DL764090118](https://openairdocs.org/sdr/DL764090118), Jan 27, 2009: Boeing 767432ER. TRANSPONDER. FAILED. MODE C REPORTED INOP BY BOTH GROUND AND TOWER. TCAS CHECKS GOOD. PERFORMED TEST OF BOTH ATC TRANSPONDERS. NO DEFECTS. AL (N825MH) - [SDR DL76G060711](https://openairdocs.org/sdr/DL76G060711), Sep 2, 2006: Boeing 7673P6. PANEL. MALFUNCTIONED. ATC FAULT EICAS MSI ATC FAIL LIGHT ON TRANSPONDER ALSO FAULT ON TCAS REPLACED BOTTOM ATC ANTENNA CHECKS GOOD IAW MM MCO (N154DL) - [SDR DL76G060647](https://openairdocs.org/sdr/DL76G060647), Aug 10, 2006: Boeing 767332. ANTENNA. INOPERATIVE. DURING TAXI OUT, BOTH ATC SHOWED ATC FAIL LIGHT AND EICAS ATC FAULT MSG ALSO LOWER ANTENNA FAULT ON RADAR DISPLAY. REPLA (N1602) - [SDR MWEA020062](https://openairdocs.org/sdr/MWEA020062), Jan 25, 2002: Doug DC981. CONTROL PANEL. DEFECTIVE. FIRST OFFICERS VHF NAV FREQUENCY SELECT KNOB (BLACK) DOES NOT CHANGE FREQUENCIES AND IS LOOSE (PULLS OUT FROM PANEL). RE (N812ME) - [SDR IXKA960028](https://openairdocs.org/sdr/IXKA960028), May 13, 1996: Boeing 727225. OMEGA RPU. INOPERATIVE. FLIGHT NR 2, EWR-BDA - AIR TURN BACK DUE TO OMEGA READING ERROR WITH FLIGHT PLAN. REMOVED AND REPLACED OMEGA RPU, OPS CH (N8881Z) - [SDR IXKA9500015](https://openairdocs.org/sdr/IXKA9500015), Apr 9, 1995: Boeing 727225. OMEGA ANTENNA. MISSING. EWR - A/C INBOARD LOG ITEM OMEGA UNABLE TO RECEIVE ANY STATION. ON INSPECTION, FOUND OMEGA ANTENNA MISSING, MOUNTING REC (N8883Z) ## Other codes in chapter 34 - [JASC 3400](https://openairdocs.org/jasc/3400): Navigation System (692 reports) - [JASC 3410](https://openairdocs.org/jasc/3410): Flight Environment Data (218 reports) - [JASC 3411](https://openairdocs.org/jasc/3411): Pitot/Static System (1,586 reports) - [JASC 3412](https://openairdocs.org/jasc/3412): Outside Air Temperature Indicator/Sensor (254 reports) - [JASC 3413](https://openairdocs.org/jasc/3413): Rate of Climb Indicator (157 reports) - [JASC 3414](https://openairdocs.org/jasc/3414): Airspeed/Mach Indicator (860 reports) - [JASC 3415](https://openairdocs.org/jasc/3415): High Speed Warning (39 reports) - [JASC 3416](https://openairdocs.org/jasc/3416): Altimeter, Barometric/Encoder (1,256 reports) - [JASC 3417](https://openairdocs.org/jasc/3417): Air Data Computer (1,210 reports) - [JASC 3418](https://openairdocs.org/jasc/3418): Stall Warning System (1,641 reports) - [JASC 3420](https://openairdocs.org/jasc/3420): Attitude and Direction Data System (772 reports) - [JASC 3421](https://openairdocs.org/jasc/3421): Attitude Gyro and Indicating System (1,142 reports) - [JASC 3422](https://openairdocs.org/jasc/3422): Directional Gyro and Indicating System (649 reports) - [JASC 3423](https://openairdocs.org/jasc/3423): Magnetic Compass (101 reports) - [JASC 3424](https://openairdocs.org/jasc/3424): Turn and Bank/Rate of Turn Indicator (153 reports) - [JASC 3425](https://openairdocs.org/jasc/3425): Integrated Flight System (1,148 reports) - [JASC 3430](https://openairdocs.org/jasc/3430): Landing and Taxi Aids (56 reports) - [JASC 3431](https://openairdocs.org/jasc/3431): Localizer/VOR System (129 reports) - [JASC 3432](https://openairdocs.org/jasc/3432): Glide Slope System (66 reports) - [JASC 3433](https://openairdocs.org/jasc/3433): Microwave Landing System (26 reports) - [JASC 3434](https://openairdocs.org/jasc/3434): Marker Beacon System (27 reports) - [JASC 3435](https://openairdocs.org/jasc/3435): Heads Up Display System (10 reports) - [JASC 3436](https://openairdocs.org/jasc/3436): Wind Shear Detection System (70 reports) - [JASC 3440](https://openairdocs.org/jasc/3440): Independent Position Determining System (261 reports) - [JASC 3441](https://openairdocs.org/jasc/3441): Inertial Guidance System (289 reports) - [JASC 3442](https://openairdocs.org/jasc/3442): Weather Radar System (3,442 reports) - [JASC 3443](https://openairdocs.org/jasc/3443): Doppler System (110 reports) - [JASC 3444](https://openairdocs.org/jasc/3444): Ground Proximity System (552 reports) - [JASC 3445](https://openairdocs.org/jasc/3445): Air Collision Avoidance System (214 reports) - [JASC 3446](https://openairdocs.org/jasc/3446): Non Radar Weather System (23 reports) - [JASC 3450](https://openairdocs.org/jasc/3450): Dependent Position Determining System (106 reports) - [JASC 3451](https://openairdocs.org/jasc/3451): DME/TACAN System (197 reports) - [JASC 3452](https://openairdocs.org/jasc/3452): ATC Transponder System (624 reports) - [JASC 3453](https://openairdocs.org/jasc/3453): Long-Range Navigation (LORAN) System (175 reports) - [JASC 3454](https://openairdocs.org/jasc/3454): Visual Omnirange (VOR) System (317 reports) - [JASC 3455](https://openairdocs.org/jasc/3455): Automatic Direction Finder (ADF) System (164 reports) - [JASC 3457](https://openairdocs.org/jasc/3457): Global Positioning System (635 reports) - [JASC 3460](https://openairdocs.org/jasc/3460): Flight Management Computing Hardware System (4,690 reports) - [JASC 3461](https://openairdocs.org/jasc/3461): Flight Management Computing Software System (68 reports) - [JASC 3497](https://openairdocs.org/jasc/3497): Navigation System Wiring (269 reports) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). 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