AFE price: £2,999.95
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TRIG TY91 & TT21 Bundle

Model: TRIGTY91+TT21

If you're upgrading your instrument panel, or creating a new panel from scratch, why not take advantage of this TRIG bundle, the TY91 8.33 radio and TT21 Mode S Transponder.

TRIG TY91 8.33khz VHF Radio

The TY91 radio provides light sport and general aviation pilots with a compact, fully certified 25kHz / 8.33 kHz VHF radio. The radio is perfectly compliment with the TT21 and TT22 transponders, the world’s smallest and lightest Mode S general aviation transponders.

Small and Flexible

The Trig TY91 takes up minimal space and weight. The use of a control head and separate radio hardware unit provides more installation options, especially when space is at a premium.

The control head can be conveniently mounted in a standard 57mm round hole or even smaller compact mount. Fitting is straightforward, and once installed the depth of the radio control head is only 74mm. In practice this means that the Trig TY91 control head can be located in an aircraft instrument panel where a ‘single box’ radio will simply not fit.

8.33 kHz & 25 kHz Compatible

Future changes in European airspace will require all aircraft to be fitted with a certified 8.33 kHz radio. The Trig TY91 uses 8.33 kHz and 25 kHz steps. Operation of the radio is simple and frequency selection rapid. A single convenient function button allows rapid channel spacing preferences to be selected when required.

The Trig TY91 is fully compliant with the 8.33 kHz mandate, so you can be reassured that Trig radios are ready for the future.

Light sport, ultra light, glider and balloon pilots will fit the Trig TY91 radio, this lower powered 6 watt model is ideal for the majority of GA users.

Features

The Trig TY91 offer pilots the following features:

Low size and weight, with flexibility of installation options.

Simple operation via positive controls, can be easily operated whilst wearing gloves.

Dual watch function, allowing the monitoring of the standby frequency.

Includes a two place intercom.

Includes a built in speaker amplifier, allowing the option of headset free operation.

9 programmable memories.

Crisp display, visible in all lighting conditions.

Fully certified.

Specification
Type: 8.33 kHz/25 kHz VHF transceiver. Receiver – Class C, Class E. Transmitter – Class 4, Class 6
Certification: ETSO-2C169a, ETSO-2C128, TSO-C169a, TSO-C128a.
Compliance: ED-23C, ED-67, DO-186B, DO-178B Level B, DO-160F, DO-254 Level C
Supply Voltage (DC) 11-33
Typical Current Consumption: 200 mA receive 2A transmit at 14 V
Nominal Transmitter Power: 6 W
Operating Temperature: for the radio unit -40 °C to + 70 °C for the controller -20 °C to +70 °C
Cooling Requirement: No fan required
Weight: 460 grams
Dimensions (mm) controller: H 44 x W 63 x D 35 mm (74 mm depth in panel with D-Type connector fitted). radio unit: H 48 x W 66 x L 160 mm (inc. socket).

Trig TT21 Mode S Transponder

The TT21 is the world’s smallest general aviation Mode S transponders, ideally suited for use in light sport, gliders and GA aircraft where panel space is at a premium. The TT21 is fully approved by EASA and the FAA, for both IFR and VFR use.

The TT21 - smart and small

The TT21 transponder is a two part solution, with a separate control head and transponder box. The control head fits into a 57mm round hole, with the option of using a smaller compact mount hole. When fitted the depth of the controller is only 54mm, and connected to a wiring harness the depth is still only 85mm. The separate transponder box can be mounted anywhere within the airframe.

The complete system weighs less than 450 grams and is easily powered by an aircraft battery. The transponder has an in-built altitude encoder saving space and simplifying installation.

The TT21 has a nominal power output of 130 watts and is popular amongst light sport, glider, balloon and foot launched pilots providing one of the most affordable ways to install Mode S.

In use the TT21 is simple to operate, with a positive control knob and push buttons for Squawk code and Flight ID input. The LCD display is bright and back lit, making it easy to read in flight. The transponder controller is splash proof making it suitable for use in open cockpit flying and ultra-light aircraft. A quick release latch secures the main hardware unit to the included mounting tray, allowing easy removal if required.

The TT21 and TT22 transponders – the light weight class leaders

The TT21 give you class leading Mode S and 1090ES ADS-B Out capability; it's compact, energy efficient and high performance solutions that are fully certified.

Trig Mode S transponders provide air traffic control with accurate aircraft position data. This makes negotiation of controlled airspace more certain, and can significantly reduce the amount of communication required with air traffic controllers.

Fitting a TT21 Mode S transponder increases your visibility to other airspace users, enhancing your flight safety.

Specification
Type Transponder: Class 2 Mode S level 2els ADS-B Class B0
Certification: ETSO C88A, C112C, C166A and TSO C88b, C112c, C166b, approved for IFR and VFR flight
Compliance: ED-73C, DO-160F, DO-178B Level B, DO-254 Level C, DO-260B, DO-181D
Supply voltage (DC): 9-33 V
Typical Consumption (at 14 V) idle: 0.15 A active: 0.28 A
Nominal Transmitter Power: 130 W at connector
Operating temperature: for the transponder -40°C to +70°C for the controller -25°C to +70°C
Cooling Requirement: no fan required
Weight: 440g
Dimensions controller: H 44 x W 63 x L 54 mm transponder in tray: H 48 x W 68 x L 160 mm

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