# JASC 3434: Marker Beacon System

- Type: JASC system/component code (FAA)
- ATA chapter: 34 Navigation
- Title in the code table: MARKER BEACON SYSTEM
- Service difficulty reports: 27
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=39
- Page: https://openairdocs.org/jasc/3434

## What it covers

The system which provides an aural and visual indication of passage over specified points on the glide path for landing under instrument meteorological conditions. NOTE: In instances where the control panel is an integral portion of the audio control panel, it would be filed in JASC code 2350. Typical parts are marker beacon antenna, receivers, visual/aural indication units, marker light, control panel, etc.

## Service difficulty reports (27)

- [SDR HEEA088390](https://openairdocs.org/sdr/HEEA088390), Jul 28, 2003: Skrsky S76A. RECEIVER. MALFUNCTIONED. FREQ LIGHT DOES NOT ILLUMINATE. IN SHOP REPAIR. (N4253S)
- [SDR HEEA084626](https://openairdocs.org/sdr/HEEA084626), Feb 14, 2003: Bell 412. RECEIVER. FAILED. RECEIVER FAILED OUTER MARKER LIGHT INOPERATIVE. CLEANED EXCESSIVE CORROSION. BENCH CHECK GOOD. (N2298Z)
- [SDR HEEA084625](https://openairdocs.org/sdr/HEEA084625), Feb 14, 2003: Bell 412. RECEIVER. MALFUNCTIONED. RECEIVER CAUSES MARKER BEACON CIRCUIT BREAKER TO OPEN. REMOVED CORROSION FROM CIRCUIT BOARDS. REPAIRED BURNT FOIL ON POW (N3893P)
- [SDR HEEA084159](https://openairdocs.org/sdr/HEEA084159), Feb 12, 2003: Skrsky S76A. LENS. MISSING. AMBER LENS MISSING. FOUND AMBER LENS BROKEN. ALSO 3 EACH HOOD COVERS MISSING. REPLACED LENS AND HOOD COVERS. REPAIRED. B (N4253S)
- [SDR HEEA080419](https://openairdocs.org/sdr/HEEA080419), Jul 9, 2002: Skrsky S76A. RECEIVER. WILL NOT TEST. MARKER BEACON SYSTEM WILL NOT TEST. REPAIRED. (N5435V)
- [SDR 2003F00162](https://openairdocs.org/sdr/2003F00162), Mar 20, 2002: Cessna 421B. ALTERNATOR. FAILED. ON PREP FOR DEPARTURE, RETURNED TO RAMP AND CALLED MAINTENANCE. ARRANGED FOR ALTERNATOR REPLACEMENT BY PIEDMONT. AIRCRAF (N65AE)
- [SDR AUS20020204](https://openairdocs.org/sdr/AUS20020204), Feb 23, 2002: Cessna TR182. MOUNT. CORRODED. (AUS) MARKER BEACON ANTENNA MOUNT CONTAINED SURFACE CORROSION.
- [SDR HEEA075482](https://openairdocs.org/sdr/HEEA075482), Aug 27, 2001: Skrsky S76A. SENSOR. BROKEN. LIGHT SENSOR BROKEN. PERFORMED PRELIMINARY INSPECTION. FOUND V101 PHOTOCELL BROKEN OFF. REPLACED. REPAIRED. ALSO INSTALL (N1546G)
- [SDR QXEA9902393](https://openairdocs.org/sdr/QXEA9902393), Nov 11, 1999: Fokker F28MK4000. MOUNT. CORRODED. PDX - AIR FRAME MOUNTING SURFACE FOR MARKER BEACON ANTENNA WAS CORRODED. REPAIRED IAW FOKKER SRM 51-10-04, PAGE 9, PARAG (N482US)
- [SDR HEEA065069](https://openairdocs.org/sdr/HEEA065069), Nov 11, 1999: Bell 206L3. BATTERY. DISCHARGED. BEACON HAD WEAK BATTERY. (N8592X)
- [SDR UPS99430630](https://openairdocs.org/sdr/UPS99430630), Sep 16, 1999: Boeing 747121. MARKER BEACON. INOP. INSPECTION TYPE:N/A, MARKER BEACON INOP. (N691UP)
- [SDR HEEA062796](https://openairdocs.org/sdr/HEEA062796), Jul 13, 1999: RECEIVER. FAILED. NO LIGHTS ON INDICATOR AND AUDIO DISTORTED.
- [SDR HEEA062791](https://openairdocs.org/sdr/HEEA062791), Jul 13, 1999: Skrsky S76A. RECEIVER. MALFUNCTIONED. NO MARKER BEACON LIGHTS ON INDICATOR. (N31219)
- [SDR HEEA062790](https://openairdocs.org/sdr/HEEA062790), Jul 13, 1999: Skrsky S76A. RECEIVER. MALFUNCTIONED. NO MARKER BEACON LIGHTS ON INDICATOR. (N31219)
- [SDR HEEA062413](https://openairdocs.org/sdr/HEEA062413), Jun 17, 1999: Skrsky S76A. BEACON. INOPERATIVE. BEACON INOPERATIVE. (N2743E)
- [SDR HEEA060046](https://openairdocs.org/sdr/HEEA060046), Jan 20, 1999: Skrsky S76A. RECEIVER. FAILED. NO AUDIO, NO LIGHTS. PERFORMED PRELIMINARY INSPECTION, FOUND UNIT TO HAVE INTERMITTENT AUDIO AND NO LIGHTS. (N911MJ)
- [SDR HEEA0016434](https://openairdocs.org/sdr/HEEA0016434), Oct 26, 1998: Bell 412. RECEIVER. INTERMITTENT. INTERMITTENT, DISTORTED AUDIO. (N22608)
- [SDR 99ZZZX154](https://openairdocs.org/sdr/99ZZZX154), Oct 20, 1998: Urocop EC135P1. MARKER BEACON. MALFUNCTIONED. MARKER BEACON HAD INTERNAL SHORT. CIRCUIT BREAKER TRIPPED. REPLACED WITH NEW UNIT, CORRECTED PROBLEM. (N135SJ)
- [SDR HEEA0016154](https://openairdocs.org/sdr/HEEA0016154), Oct 13, 1998: Bell 230. ANTENNA. INOPERATIVE. BEACON INTERMITTENT, INOPERATIVE. (N230UN)
- [SDR HEEA0015869](https://openairdocs.org/sdr/HEEA0015869), Aug 27, 1998: Bell 412. RECEIVER. INOPERATIVE. BLUE LIGHT INOPERATIVE ON MARKER BEACON. (N107X)
- [SDR HEEA0015607](https://openairdocs.org/sdr/HEEA0015607), Aug 14, 1998: Bell 206L1. INDICATOR. MALFUNCTIONED. INDICATOR TURN NEEDLE DOES NOT DEFLECT. (N1077A)
- [SDR HEEA0013935](https://openairdocs.org/sdr/HEEA0013935), Apr 16, 1998: Skrsky S76A. RECEIVER. FAILED. OUTER MARKER INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND WHITE INNER MARKER LIGHT TO BE INOPERATIVE. REPLACED T (N1546G)
- [SDR SWIA97971](https://openairdocs.org/sdr/SWIA97971), Sep 9, 1997: Emb EMB120ER. ANTENNA. CORRODED. NR 2 MARKER BEACON ANTENNA NEEDS REPLACEMENT DUE TO CORROSION. REPLACED NR 2 MARKER BEACON ANTENNA. (N187SW)
- [SDR HEEA955837](https://openairdocs.org/sdr/HEEA955837), Oct 5, 1995: Bell 412. RECEIVER. INOPERATIVE. MARKER BEACON DAMAGED KA35A ASSEMBLY. MARKER BEACON INOPERATIVE AND HAS CONSTANT TONE WITH NO SIGNAL APPLIED. (N2148K)
- [SDR HEED95340](https://openairdocs.org/sdr/HEED95340), Sep 14, 1995: Bell 230. LAMP. INOPERATIVE. MARKER BEACON SWITCH LIGHT INOPERATIVE REPLACED UNIT (N236X)
- [SDR 96ZZZX4744](https://openairdocs.org/sdr/96ZZZX4744), Mar 2, 1995: Beech 58P. SELECTOR. JAMMED. LANDING GEAR SELECTOR (SWITCH) FROZE IN THE UP POSITION. LANDING GEAR CIRCUIT BREAKER PULLED AND GEAR WAS HAND CRANKED T (N163Z)
- [SDR HEEA954428](https://openairdocs.org/sdr/HEEA954428), Feb 27, 1995: Bell 214ST. LIGHT ASSY. INOPERATIVE. APPROACH LIGHT WILL NOT ILLUMINATE. PART RECEIVED INSTALLED ON AIRCRAFT ON 2-1-95. (PREVIOUS AIRCRAFT NUMBER WAS VH-LHQ) (N8045T)

## 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 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 3456](https://openairdocs.org/jasc/3456): Omega Navigation System (9 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)

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