Garmin GTX 335, GTX 345R, GTX 345 User manual

Garmin International 1200 E. 151st Street Olathe, KS 66062

ROTORCRAFT FLIGHT MANUAL SUPPLEMENT

GTX 3X5 PART 27 AML

190-00734-22 Rev. 2 Page 2 of 20

LOG OF REVISIONS

Page

Revision

Number

Date

Number

Description

FAA Approved

1 11/11/16

All

Complete Supplement

Michael Warren ODA STC Unit Administrator Garmin International, Inc. ODA-240087-CE

02/17/20

5, 12,

16, 17,

18, 20

Revised sections 1.1,

2.4, 2.6, 7, 7.2, 7.3,

7.4, and 7.8

See cover page.

Garmin International 1200 E. 151st Street Olathe, KS 66062

ROTORCRAFT FLIGHT MANUAL SUPPLEMENT

GTX 3X5 PART 27 AML

190-00734-22 Rev. 2 Page 3 of 20 FAA APPROVED

Table of Contents

SECTION PAGE

Section 1. GENERAL 4

1.1 GTX 3X5 4

1.2 Capabilities 6

1.3 Definitions 7

1.4 Installation Configuration 8

Section 2. LIMITATIONS 11

2.1 Minimum Equipment 11

2.2 ADS-B Out 11

2.3 TIS-A Traffic Display 11

2.4 Applicable System Software 12

2.5 Pressure Altitude Broadcast Inhibit (PABI) 12

2.6 Traffic Display and Alerting 12

2.7 Datalinked Weather Display (GTX 345 Only) 12

2.8 Portable Electronic Devices 13

Section 3. EMERGENCY PROCEDURES 14

3.1 Emergency Procedures 14

3.2 Abnormal Procedures 14

Section 4. NORMAL PROCEDURES 15

4.1 Before Takeoff 15

4.2 VISUAL/AURAL TRAFFIC ALERT 15

Section 5. PERFORMANCE 15 Section 6. WEIGHT AND BALANCE 15 Section 7. SYSTEM DESCRIPTION 16

7.1 Transmitted Air Ground Status 16

7.2 GTX TIS-A Behavior (GTX 335 Only) 16

7.3 Traffic Sources and Alerting 17

7.4 Rotorcraft with No Heading Source 17

7.5 On Scene Mode (OSM) (GTX 345 Only) 18

7.6 Interfaced Active Traffic System (Optional, GTX 345 Only) 18

7.7 Power 19

7.8 External Switches 20

Garmin International 1200 E. 151st Street Olathe, KS 66062

ROTORCRAFT FLIGHT MANUAL SUPPLEMENT

GTX 3X5 PART 27 AML

190-00734-22 Rev. 2 Page 4 of 20 FAA APPROVED

Section 1. GENERAL

1.1 GTX 3X5

The Garmin GTX 3X5 family consists of the GTX 335, 335R, 345, and 345R transponders. The capabilities for each of these transponders is summarized in Table 1.

Function

GTX

335

GTX

335 w

GPS

GTX

335R

GTX 335R

GPS

GTX

345

GTX

345 w

GPS

GTX

345R

GTX 345R

GPS

Panel mount

x x x x

Remote mount

x x x

Mode S

x x x x x x x

ADS-B (out) per 14 CFR

91.227.

x x x x x x x

ADS-B Traffic

x x x

FIS-B x x x x

Internal GPS

x x x

Bluetooth

x x x

Table 1 – GTX 3X5 Unit Configurations

Garmin International 1200 E. 151st Street Olathe, KS 66062

ROTORCRAFT FLIGHT MANUAL SUPPLEMENT

GTX 3X5 PART 27 AML

190-00734-22 Rev. 2 Page 5 of 20 FAA APPROVED

Interfaces to the GTX 3X5 are shown in Figure 1.

TAS/TCAS I

Traffic Sensor

ADS-B Traffic FIS-B Display

Bluetooth

Device

GTX 3X5

GPS Antenna

External GPS

Source

Audio Panel

Bottom Antenna

GTX 3X5 with GPS only

GTX 335R/345R

Control

Power/Ground

Altitude Source

Heading Source

Air Data Source

Secondary GPS

Radio Altitude

Source

Optional Interfaces Required Interfaces

WOW Switch

Bluetooth

GTX 345 / 345R only

External Traffic

Annunciator

For NO display Install

Battery

Keep Alive input from battery source for internal GPS only

Internal GPS Source

Flight

Stream

GTX 335 / 335R only

GTX 345 / 345R only

Audio Panel

Figure 1 – GTX 3X5 Interface Summary

The GTX 3X5 performs the following functions:

• Transmission of ADS-B out data on 1090 extended squitter (1090ES)

(1090 MHz)

o Integration of data from internal and external sources to

transmit the following data per 14 CFR 91.227:

▪ GPS Position, Altitude, and Position Integrity ▪ Ground Track and/or Heading, Ground Speed, and

Velocity Integrity

▪ Air/Ground Status ▪ Flight ID, Call Sign, ICAO Registration Number ▪ Capability and Status Information ▪ Transponder Squawk Code, IDENT, and Emergency

Status

o Pressure Altitude Broadcast Inhibit

Garmin International 1200 E. 151st Street Olathe, KS 66062

ROTORCRAFT FLIGHT MANUAL SUPPLEMENT

GTX 3X5 PART 27 AML

190-00734-22 Rev. 2 Page 6 of 20 FAA APPROVED

The GTX 335 performs the following additional functions in addition to those listed for the GTX 3X5:

• Reception of TIS-A traffic data from a ground station

• Provide TIS-A traffic information and alerting to the pilot via an optional

interfaced display and audio output.

The GTX 345 performs the following additional functions in addition to those listed for the GTX 3X5:

• Reception of ADS-B In data on 1090 MHz

o ADS-B (Data directly from another transmitting aircraft) o ADS-R (Rebroadcast of ADS-B data from a ground station)

• Reception of ADS-B In data on UAT (978 MHz)

o ADS-B (Data directly from another transmitting aircraft) o ADS-R (Rebroadcast of ADS-B data from a ground station) o TIS-B (Broadcast of secondary surveillance radar) (SSR)

derived traffic information from a ground station.

o FIS-B (Broadcast of aviation data from a ground station)

• Provide ADS-B traffic information and alerting to the pilot via an

optional interfaced display

o Correlation and consolidation of traffic data from multiple

traffic sources

o Aural and visual traffic alerting

• Provide FIS-B data to the pilot via an optional interfaced display o Graphical and textual weather products

▪ NEXRAD ▪ PIREPs ▪ AIRMET/SIGMETs ▪ METARs ▪ TAFs ▪ Winds Aloft

o Aviation Data

▪ TFRs ▪ NOTAMs

1.2 Capabilities

The Garmin GTX 3X5 as installed in this aircraft has been shown to meet the equipment requirements of 14 CFR § 91.227 when operating in accordance with sections 2.1 and 2.2 of this supplement.

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