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7-12   

ENSTROM 480B RFM SUPPLEMENT 

     

 

Rev. 1 

Report No. 28-AC-049 

 

Nov 12/14 

 

 

 

 

 

   

 

 

SN3500

 

 

Figure 7-7. Instrument Panel Layout – P/N 4220609-7 

 

This electronic document is not linked to a subscription for revision control or distribution. Refer to the Optional Equipment 

Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision 

level of this Rotorcraft Flight Manual Supplement.

UNCONTROLLED COPY WHEN DOWNLOADED OR PRINTED

Summary of Contents for sn3500 ehsi

Page 1: ...oreign persons without prior U S Government approval is prohibited Violations of these export laws and regulations are subject to severe civil and criminal penalties PROPRIETARY The information contai...

Page 2: ...evision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of...

Page 3: ...ION FEDERAL AVIATION ADMINISTRATION This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link un...

Page 4: ...linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for...

Page 5: ...ical System Failure 3 1 CHAPTER 4 PERFORMANCE DATA General 4 1 CHAPTER 5 RESERVED CHAPTER 6 WEIGHT BALANCE AND LOADING General 6 1 CHAPTER 7 SYSTEM DESCRIPTION AND OPERATION System Description 7 1 Bas...

Page 6: ...lay 7 4 7 5 Instrument Panel Layout P N 4220609 1 7 10 7 6 Instrument Panel Layout P N 4220609 5 7 11 7 7 Instrument Panel Layout P N 4220609 7 7 12 LIST OF TABLES TABLE DESCRIPTION PAGE Intro 1 List...

Page 7: ...12 6 2 May 8 12 7 1 Nov 12 14 7 2 Nov 12 14 7 3 Nov 12 14 7 4 Nov 12 14 7 5 Nov 12 14 7 6 Nov 12 14 7 7 Nov 12 14 7 8 May 8 12 7 9 Nov 12 14 7 10 Nov 12 14 7 11 Nov 12 14 7 12 Nov 12 14 PAGE DATE This...

Page 8: ...linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for...

Page 9: ...ved RFM Supplement It is required by Federal Regulations that this supplement be carried in the helicopter at all times if the SN3500 EHSI is installed In this document the term SN3500 may be used int...

Page 10: ...VOR LOC GS NDB Non Directional Beacon RFM Rotorcraft Flight Manual RFMS Rotorcraft Flight Manual Supplement RMI Radio Magnetic Indicator TFC Traffic USB Universal Serial Bus VDI Vertical Deviation Ind...

Page 11: ...lowing publications should be referred to for operating instructions and must be kept accessible to the flight crew at all times a Pilot s Guide SN3500 Primary Navigation Display with Reversionary Att...

Page 12: ...220609 5 4220609 7 EHSI A4 07 AHRS 1 61 5 The CRC Self Test Failed message must not appear on power up if flight operations are predicated on the use of the SN3500 This electronic document is not link...

Page 13: ...o three minutes after power is applied 2 2 Engine Runup Add the following Check to step 11 of para 2 20 Engine Runup 1 Check the gyro flag GYRO INVALID is removed from the SN3500 heading display and t...

Page 14: ...ment is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter...

Page 15: ...nate heading source for primary heading information 3 3 Primary Attitude Indicator Failure CAUTION If there is no ATTD IND switch located on the instrument panel the reversionary mode is not enabled R...

Page 16: ...is intermittent erroneous or flagged it may indicate that Reversionary Mode may be unavailable This electronic document is not linked to a subscription for revision control or distribution Refer to th...

Page 17: ...his electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the...

Page 18: ...ment is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter...

Page 19: ...and Balance Information Equipment Weight lbs Arm in Moment in lbs SN3500 EHSI 3 0 68 2 204 6 SG102 AHRS 2 2 189 7 417 3 SG102 Mounting Base 0 6 189 7 113 8 MT102 MTA 0 4 241 0 96 4 This electronic do...

Page 20: ...linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website fo...

Page 21: ...ed navigation features and the moving map MAP and range functions are not available 2 Components particular to the EHSI configuration include the SN3500 located in the instrument panel Figures 7 5 thr...

Page 22: ...ure 7 2 SN3500 Controls and Display Area VOR NAV2 0 3m 210 N A V 1 NAV1 15 9m 085 NAV1 Navigation Course Pointer Knob Clear Bearing Memory USB Connector Heading Bug Knob View Full or Arc Menu Mag Head...

Page 23: ...e upper display area presents data from the selected navigation source VOR DME which will generally include bearing distance ground speed if available and also an annunciation regarding the type of LO...

Page 24: ...ll as some standard navigation display features of the HSI The Reversionary Mode controls noted in bold font and display features are shown in Figure 7 4 Figure 7 4 SN3500 Reversionary Mode Display Ro...

Page 25: ...displayed in the lower display area BRG1 symbol is a closed arrow head BRG2 symbol is an open arrow head Note Bearing pointer tails are 180 from the arrow head The tail of BRG1 is a single line and t...

Page 26: ...al is detected the annunciation will be ILS1 c Distance bearing and groundspeed will be displayed in the upper display area if available 7 5 Bearing Pointer Selection and Heading Bug Control 1 Press t...

Page 27: ...5 or Figure 7 6 1 Press the ATTD IND switch to activate the reversionary mode a The NAV button function is the same as in HSI mode b The BRG button is inactive c The VUE button is inactive NOTE Whenev...

Page 28: ...d return to normal operation 7 9 Flags and Abnormal Conditions Abnormal conditions or flags may be associated with a failed navigation receiver or failed AHRS and are accompanied by a failed equipment...

Page 29: ...ow In each case press the CLR button to cancel the annunciation 1 MAP A map symbol with a red slash through it will be annunciated next to the MAP button Press the CLR button to cancel the function 2...

Page 30: ...electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the En...

Page 31: ...electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the En...

Page 32: ...nic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom He...

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