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Stormscope

WX-500 User’s Guide

3-4

Chapter 3 - Operation

ERROR

FAULT SOURCE

TYPE*

RECOMMENDED ACTION

Error 19

Processor Fault

Main Processor

data overload

NF/R

Continue without weath

er mapping functions.

See your dealer for

service if this error oc

curs frequently.

Error 20 Configu-

ration Changed

Antenna jumper

configuration

changed since

last time power

was applied to the

system

NF/R

Select antenna location

via MFD. If selection

matches processor con

figuration jumpers, nor-

mal operation returns. If

not correctable, continue

without weather mapping

functions and see your

dealer for service.

Error 21

Processor Fault

Main processor

Turn off the unit and see

your dealer for service.

Error 22

Invalid Synchro

Signals

Invalid XYZ input

(gyro may still be

spinning up)

NF/R

Continue without head

ing stabilization. See

your dealer for service.

Error 23

Invalid Synchro

Ref

No 400 Hz refer

ence

NF/R

Continue without head

ing stabilization. See

your dealer for service.

Error 24

Mic Key Stuck

Mic key (inhibit

line) stuck. The

microphone key

has been de

pressed for more

than 1 minute

NF/R

Turn off the unit and see

your dealer for service.

Errors 35 and 36

Processor Fault

DSP or main

processor

Continue without weath

er mapping functions.

See your dealer for

service.

Errors 35 and 36

Processor Fault

DSP or main

processor

NF/R

See your dealer for ser-

vice if this error occurs

frequently.

Error 40

Processor Fault

Main processor

NF/R

See your dealer for ser-

vice if this error occurs

frequently.

Table 3-1: Error Messages (continued)

*F=Fat

al, NF=Nonfatal, R=Recoverable, NR=Nonrecoverable (Description

follows table.)

Error Messages

Содержание Stormscope II Series

Страница 1: ...User s Guide For the Model WX 500 Aviation Products Series II Weather Mapping Sensor Stormscope ...

Страница 2: ......

Страница 3: ...ecisions so you can fly more safely and with greater confidence than ever before The Original Don t be fooled by Stormscope system lookalikes There is only one Stormscope system and only one company that makes the Stormscope line of weather mapping systems The Stormscope system the original most accurate weather mapping system is manufactured by L3 Aviation Products Stormscope System Advantages Co...

Страница 4: ...add improve modify or withdraw functions design modifications or products at any time without notice L3 Aviation Products 5353 52nd Street S E Grand Rapids MI 49512 USA Customer Support 800 453 0288 International 616 949 6600 FAX 616 977 6898 www L3aviationproducts com User s Guide WX 500 Document Part No 009 11501 001 Revision D Model WX 500 Copyright 2017 L3 Aviation Products All Rights Reserved...

Страница 5: ... the Airman s Information Manual AIM recommend that you avoid by at least 20 miles any thunderstorm identified as severe or giving an intense radar echo Safety Summary These warnings and cautions appear later in this guide and are repeated here for emphasis There are several atmospheric phenomena other than nearby thunderstorms which can cause isolated discharge points in the strike display mode C...

Страница 6: ...ir display The display screens illustrated in this guide are intended to be characteristic of a group of MFDs that are configured to work with the WX 500 The examples are intended to assist the pilot in interpreting lightning data output by the WX 500 Each MFD shows the information consistent with the capabilities of that particular display Revision Highlights This revision D of the user s guide u...

Страница 7: ...pter 2 Storm Mapping Principles Anatomy of a Thunderstorm 2 1 Stages of a Thunderstorm 2 3 The WX 500 Weather Radar 2 4 Chapter 3 Operation Introduction 3 1 Power Up 3 1 Continuous Operator Initiated Self Test 3 1 Clear All Discharge Points 3 2 Heading Stabilization 3 2 Error Messages 3 2 Chapter 4 Weather Display Interpretation Introduction 4 1 Radial Spread 4 2 Typical Patterns 4 3 Mapping Headi...

Страница 8: ...ar 2 2 4 1 Airspace Diagram 4 1 4 2 Three Clusters Within 200 nmi 4 3 4 3 Range Changed to 100 nmi 4 4 4 4 Two Clusters Within 200 nmi 4 5 4 5 Range Set at 200 nmi 4 6 4 6 Aircraft Progresses 100 nmi 4 7 4 7 Range Changes to 100 nmi 4 8 4 8 Aircraft Turns to Avoid Thunderstorms 4 9 4 9 Randomly Scattered Discharge Points 4 10 4 10 Cluster Splattering Within 25 nmi 4 11 4 11 Discharge Points Off th...

Страница 9: ...rcraft This information is then sent to an external Multi Function Display MFD that plots the location of the thunderstorms The WX 500 is a passive sensor that listens for electromagnetic signals with a receiving antenna There s no transmitter and no harmful transmissions The WX 500 works as well on the ground as it does in the air thereby giving the pilot important planning information before tak...

Страница 10: ...ding input then forwards the information for presentation on the MFD The processor may be installed almost anywhere in the aircraft ANTENNA This combined crossed loop and sense antenna is sealed in an aerodynamic flat pack and mounted on the outside of the aircraft where it detects electrical discharges associated with thunderstorms Stormscope thunderstorm detection systems can correlate the elect...

Страница 11: ...data is most useful during periods of heavy electrical discharge activity Displaying cell data during these periods allows the pilot to quickly see where the cells are without having to sift through and analyze a screen full of discharge points STRIKE DATA Strike data is most useful during periods of light electrical activity because strike data may show the initial discharges associated with a bu...

Страница 12: ...tions discharge points automatically on the display relative to the latest aircraft heading i e heading stabilization when connected to a compatible heading system Performs three types of self test power up continuous and operator initiated Allows the pilot to clear discharge points using a remotely mounted clear screen button not supplied Inhibits thunderstorm processing when the communications t...

Страница 13: ... Thunderstorms Warm Air Mass Cold Air Mass Warm Air Mass Cold Air Mass 100 n m i 200 n m i a b b c d a The convective flow of air currents warm air going up and cold air going down leads to friction between the opposing air currents and wind shear in the space between the opposing air currents The closer together the opposing air currents are the greater the shearing force of the air currents b Th...

Страница 14: ...re visible as lightning but most electrical discharges occur within a cloud or between clouds and are hidden by those clouds Only a small percentage of discharges occurs between the clouds and the ground Cloud to ground lightning occurs when the negatively charged lower part of a cloud induces a positive charge on an object on the ground The immense charge separation finally breaks down the insula...

Страница 15: ...this stage the risks to an aircraft and its occupants include strong vertical winds severe turbulence icing and convective wind shear MATURE STAGE In the mature and most intense stage of a thunderstorm the water droplets within the cloud collide and combine to form rain and hail and at cooler temperatures sleet and snow This stage poses many hazards to aircraft including heavy precipitation high w...

Страница 16: ...tic signals from electrical discharges up to 200 nmi away One disadvantage of weather radar is that the cumulus stage of a thunderstorm usually precipitation free is unlikely to appear on weather radar however it generally does contain electrical discharges which will be detected by the WX 500 as a light but increasing cluster of discharge points Another disadvantage of weather radar is that due t...

Страница 17: ...chapter for more information INTRODUCTION The MFD controls the WX 500 functions Refer to your Aircraft Flight Manual Supplement AFMS and the documentation supplied with the MFD for detailed operating instructions This chapter provides supplemental information The user should already be familiar with their AFMS and MFD CONTINUOUS OPERATOR INITIATED SELF TEST The WX 500 performs a continuous self te...

Страница 18: ...play when your aircraft changes heading Normally if the WX 500 is installed to use the heading stabilization feature you should never have to turn heading stabilization off however a situation may occur in which the heading input appears to be invalid but no heading flag is displayed In this case you should turn heading stabilization off until the heading input is corrected If you are flying with ...

Страница 19: ...s not able to receive or forward the neces sary thunderstorm data or it could be a faulty connec tion NF R Continue without weath er mapping functions See your dealer for service Error 17 Processor Fault No test strikes NF R Continue without weath er mapping functions See your dealer for service if this error oc curs frequently Error 18 Processor Fault Invalid test strikes NF R Continue without we...

Страница 20: ...ro Signals Invalid XYZ input gyro may still be spinning up NF R Continue without head ing stabilization See your dealer for service Error 23 Invalid Synchro Ref No 400 Hz refer ence NF R Continue without head ing stabilization See your dealer for service Error 24 Mic Key Stuck Mic key inhibit line stuck The microphone key has been de pressed for more than 1 minute NF R Turn off the unit and see yo...

Страница 21: ...s MFD NF R See your dealer for ser vice if this error occurs frequently Error 50 Illegal Heading Value MFD NF R See your dealer for ser vice if this error occurs frequently Error 51 Invalid Message MFD NF R See your dealer for ser vice if this error occurs frequently Error 52 Invalid Antenna Change Request MFD NF R See your dealer for ser vice if this error occurs frequently Error 53 thru 54 Commu...

Страница 22: ...xample of a recoverable fault Messaging errors are likely caused by excessive noise on the communication lines or an MFD communications problem These messages automatically clear after the message is processed and therefore may appear only briefly on the MFD NONRECOVERABLE FAULTS A nonrecoverable fault allows continued operation but without the function affected by the fault The affected function ...

Страница 23: ...lay the discharges as cells or independent strikes The examples in this chapter include screen patterns to represent both cell and strike displays CAUTION WARNING Never use your Stormscope system to attempt to penetrate a thunderstorm The FAA Advisory Circular Subject Thunderstorms and the Airman s Information Manual AIM recommend that you avoid by at least 20 miles any thunderstorm identified as ...

Страница 24: ...ible thunderstorm activity beyond the range of the WX 500 These phenomena are examples of radial spread Discharge points in radial spread do not necessarily indicate the exact location of atmospheric electrical discharges To counter act radial spread L3 Aviation Products applied its extensive research in lightning detection to develop enhanced lightning positioning algorithms These algorithms used...

Страница 25: ...ng this knowledge the three clusters of discharge points on the left hand screen cell display mode can be interpreted as representing three thunderstorm cells at the following azimuth and range Cluster Azimuth clock position Range 1 11 00 180 nmi 2 4 00 75 nmi 3 4 00 180 nmi 1 2 3 Rate 62 200nm STRIKE Rate 60 200nm CELL Analysis of the right hand screen strike display mode yields a similar but les...

Страница 26: ...e points For example in the western United States a severe thunderstorm may only have a few electrical discharges When the range is changed to 100 nmi figure 4 3 only cluster 2 remains visible Clusters 1 and 3 are beyond the 100 nmi range and therefore no longer appear on the screen Clusters 1 and 3 would again be visible if the range were returned to 200 nmi Cluster 2 is now more defined and the ...

Страница 27: ...r view at the 200 nmi range Using this knowledge the two clusters of discharge points on the screen can be interpreted as one thunderstorm cell at 5 30 about 150 nmi from the aircraft and another cell at 1 00 about 100 nmi from the aircraft The cluster at 1 00 has less radial spread in the strike display mode and fewer discharge points than the cluster at 5 30 indicating a lower rate of electrical...

Страница 28: ...STORMS Figures 4 5 through 4 8 and the following paragraphs show the progression of an aircraft past several thunderstorms RANGE SET AT 200 NMI Figure 4 5 shows the 360 weather view at the 200 nmi range Two thunderstorms appear almost as one cluster of discharge points off the nose of the aircraft centered 180 nmi away A second cluster at 9 30 indicates a storm system containing three thunderstorm...

Страница 29: ...100 NMI Figure 4 6 shows that the aircraft has maintained its heading and progressed 100 nmi The two thunderstorms off the nose of the aircraft appear to have expanded horizontally on the screen This effect is normal anytime you get close to a storm The line of thunderstorms previously at 9 30 now appears at 8 30 Rate 127 200nm STRIKE Rate 118 200nm CELL ...

Страница 30: ... the 120 weather view at the 100 nmi range The thunderstorms at 8 30 are not visible in this view but the thunderstorms off the nose of the aircraft appear in greater detail as two separate thunderstorms at 11 30 and 12 15 centered 90 nmi from the aircraft Figure 4 7 Range Changes to 100 nmi Rate 75 CELL 100nm Rate 75 STRIKE 100nm Mapping Past Storms ...

Страница 31: ...ort time later after the aircraft has turned to the right to avoid the thunderstorms When connected to a compatible heading system the WX 500 automatically rotates new discharge points to their correct position relative to the new heading Figure 4 8 Aircraft Turns to Avoid Thunderstorms Mapping Past Storms Rate 45 CELL 100nm Rate 45 STRIKE 100nm ...

Страница 32: ...in the strike display mode than in the cell display mode due to the cell display mode s clustering algorithm If you observe random discharge points continue to monitor the screen for developing clusters which indicate thunderstorm activity CLUSTER SPLATTERING WITHIN 25 NMI Figure 4 10 shows the 360 weather view at the 25 nmi range One moderately active thunderstorm appears as a cluster of discharg...

Страница 33: ...scharge points is about the same on both the cell and strike display modes This is true because in the cell display mode the WX 500 plots every electrical discharge detected within the 25 nmi range at the exact location detected unless the discharge is associated with a cluster of discharges in which case the discharge point is clustered with the associated discharge points You ll also notice that...

Страница 34: ...The discharge points ahead of the aircraft could be caused by a strong thunderstorm just beyond the 200 nmi range Another cause might be electrical discharge signals arriving via atmospheric skip from a distant thunderstorm well beyond the WX 500 range In either case no immediate action is required Figure 4 11 Discharge Points Off the Aircraft s Nose Rate 24 200nm STRIKE Rate 16 200nm CELL ...

Страница 35: ...ine of discharge points across the screen as shown in figure 4 12 Similar concentrations of discharge points across the screen may appear while taxiing due to electrical signals from nearby equipment such as arc welders or subway rails After passing the source of the interference clear the screen Figure 4 12 Line of Discharge Points While Taxiing Rate 45 200nm STRIKE Rate 40 200nm CELL ...

Страница 36: ...STER WITHIN 25 NMI Figure 4 13 shows a developing thunderstorm 12 nmi from the aircraft If you see a screen such as this with a developing cluster within 25 nmi you should change course to avoid the storm and continue to monitor the Stormscope sensor information displayed on the MFD Special Patterns Rate 14 50nm STRIKE Rate 14 50nm CELL ...

Страница 37: ...ion Requires connection to a heading system Microphone inhibit line Integrity indicator Size Processor includes mounting tray and pull handle 5 6 in 14 22 cm high 2 2 in 5 59 cm wide 12 0 in 20 48 cm deep Antenna 1 00 in 2 54 cm high 3 45 in 8 76 cm wide 6 85 in 17 40 cm long Weight Processor 2 5 lb 1 13 kg Antenna 0 84 lb 0 38 kg without doubler plate Operating Altitude 55 000 ft max Table 5 1 WX...

Страница 38: ...ut voltage 11 to 32 V dc Current 0 82 A max 12 V dc 0 38 A max 28 V dc RTCA Compliance Processor Environmental DO 160C F2 BA NBM XXXXXXZ AB ABZTZAZEZXX Processor Software DO 178B Level D Antenna DO 160C F2 AC YCLM XSFXXXXXXXZXZXXE3XX TSO Compliance Processor TSO C110a Antenna TSO C110a JTSO C110a Table 5 1 WX 500 Specifications continued Specifications subject to change without notice WX 500 Speci...

Страница 39: ...__________________________ Part Number ___________________________________________ Serial Number _________________________________________ Mod Letter ____________________________________________ Firmware Version _______________________________________ Antenna Model Number _________________________________________ Part Number ___________________________________________ Serial Number _______________...

Страница 40: ...L3 Aviation Products 5353 52nd Street S E Grand Rapids MI USA 49512 9704 Telephone 800 453 6600 International 616 949 6600 www L3aviationproducts com 009 11501 001 Rev D March 9 2017 Aviation Products ...

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