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ACK 406/121.5 Mhz E-04 ELT FAA TSO

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Overview

The E-04 ELT is a direct replacement for the more than 62,000 model E-01 ELT's (by ACK) on the market today. The E-04 fits directly into the current E-01 mounting trays and uses the same remote control panel indicator. The E-04 external antenna will utilize your current antenna mounting and wiring installations.

Note: The installation manual for this item requires the installation of 2 very specific batteries for operation - Duracell part number PX28L or Eveready part number A55 (or equivalent) for installation into the switch assembly and Duracell part number CR2 or equivalent for installation into the audio alert indicator.

Retrofit Kit does not include remote

Warranty: All warranty issues must be handled directly with the manufacturer. These are non-returnable and non-refundable once installed. If any attempts have been made to install this unit it becomes a warranty issue and can only be resolved with the manufacturer directly. Please view the warranty tab for additional information on the manufacturer's warranty.
There is a $250 Recertification fee in addition to the 15% restock fee on all ACK products that have been opened.

Features

  • Accepts GPS position input data from Bendix/King. Garmin, Nema 0183 GPS
  • Antenna is swept back 20 degrees, and features a molded plastic base.
  • 5 watts @ 406MHz for 24 hours, and 100 Mw @ 121.5 MHz for 48 hours.
  • Simple plug in audible alert indicator.
  • Lithium battery pack offers a 5 year battery life, and makes it substantially lighter.

Specifications

  • 7.75" long
  • 2.85" width
  • 2.85" height
  • 1.6 pounds in weight with battery
  • Remote requires a Duracell PX28L 6 volt lithium battery or an Eveready AS44 battery
  • Audible Alert Indicator requires a Duracell CR2 3 volt lithium battery or equivalent

Warranty

  • Avionics products manufactured by ACK Technologies, Inc. are warrantied against defects in materials and workmanship for a period of three years from their manufacture date. This warranty is limited exclusively to repair or replacement of the E-04 ELT and associated parts which were manufactured by ACK Technologies, Inc. the defective parts must be returned freight prepaid to our manufacturing facility. This warranty does not include repair or replacement of any part that has been improperly used, installed or physically damaged. This warranty does not cover any damage caused by chemical exposure. Discharge of the ELT lithium battery is not covered by this or any other warranty. Except as provided herein ACK Technologies, Inc. makes no express warranties, and any implemented warranty of merchantability of fitness for a particular purpose is limited in its duration to the duration of the written limited warranties set forth herein. ACK Technologies, Inc. shall not be liable for any direct, indirect, special or consequential damages arising from the use or misuse of this product. Except as provided herein no employee, agent, dealer, or other person is authorized to give any warranties of any nature on behalf of ACK Technologies, Inc. YOU MAY HAVE ADDITIONAL LEGAL RIGHTS WHICH VARY FROM STATE TO STATE

In The Box

New Install Version
  • E-04 121.5/406 MHz ELT
  • E-04.5 Remote with horizontal placard
  • E-04.12.2 Remote vertical placard
  • E-04.8 Whip antenna
  • E-04.10.1.12 Electrostatic discharger
  • E-04.10.4 Coax cable 60"
  • E-04.7 Audio alert
  • E-04.4 Mounting Tray
  • E-04.4.1 Retaining strap front
  • E-04.4.2 Retaining strap battery case
  • E-04.10.6 Female 4 pin DIN plug
  • E-04.10.5 15 foot remote cable
  • E-04.10.3 Audio alert cable
  • E-04.11.1 Switch cover
  • E-04M Installation/Operation/Manual
Retrofit Kit for ACK E-01
  • 121.5/406 MHz ELT
  • Remote horizontal placard
  • Remote vertical placard
  • Whip Antenna
  • Electrostatic Discharger
  • Audio Alert
  • Female 4 Pin Din Plug
  • Audio alert cable
  • Switch cover
  • Installation / Operation Manual

Note: If customer has ordered retro fit kit in error - they can order p/n: 11-15078 to make it regular ELT kit.
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  • Frequently Purchased With
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Reviews

Haven’t installed yet.

Trevor S Verified Purchase

ACK E-04 406Mhz ELT Kit Canada

November 15, 2024

I just had it installed, so havent really used it much, and hope I never have to. Installation is petty complex so I had mine installed professionally. Three problems I encountered: (1) ELT must be attached to the airframe, not the plastic walls and (2) Remote switch must be installed in the panel or somewhere visible and a cable run ELT under the carpet (3) installed my antenna outside and cable not long enough. However, it seems to be working fine now in the plane.

D. R Verified Purchase

ACK E-04 406 Mhz ELT Kit With Whip Antenna USA

August 9, 2024

This is a great product. Very easy to upgrade from 121.5 to 406. HOWEVER, this is old inventory that I received! Unit comes with a 5-year battery installed, and my unit was manufactured over one year ago, so I will only get 4 years of service out of this battery before I have to replace it. Booo!

Northside A Verified Purchase

ACK E-04R 406 ELT Retrofit Kit From E-01 With Whip Antenna USA

July 4, 2024

Michael B Verified Purchase

ACK E-04 406Mhz ELT Kit Canada

June 2, 2024

Perfect

North A Verified Purchase

ACK E-04 406 Mhz ELT Kit With Whip Antenna USA

April 29, 2024

Finally made the transition to 406 MHz. Installation and registration was a piece of cake.

Thomas S Verified Purchase

ACK E-04 406 Mhz ELT Kit With Whip Antenna USA

April 23, 2024

works great & easy install

Jess T Verified Purchase

ACK E-04 406 Mhz ELT Kit With Whip Antenna USA

April 10, 2024

Solid product & easy to install

Paul R Verified Purchase

ACK E-04 406 Mhz ELT Kit With Whip Antenna USA

March 18, 2024

ELT was fairly priced and easy to install - as others have said does require yiu to provide 2 easily obtainable batteries for remote and audio alarm - definitely recommend ACK products

John H Verified Purchase

ACK E-04 406 Mhz ELT Kit With Whip Antenna USA

January 19, 2024

Super fast service. This item was delivered in less than 24 hrs.

Jean E Verified Purchase

ACK E-04R 406 ELT Retrofit Kit From E-01 W Whip Antenna Can

January 18, 2024

Q&A

Please note, Aircraft Spruce Canada's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Canada assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.

Q: What is the difference between the USA and international version?

If you have a USA registered aircraft you will need a USA version (programmed for the USA). If you have an aircraft registered outside the USA you will need the international version in which we will need to know the country of registration so we can specifically program. You can fly any where in the world the key is programming to the country of aircraft registration.

Q: What is the difference between complete (new install) and retrofit kit?

If you have an ACK E-01 that you are replacing you can save some money and buy the retrofit kit as you already have parts installed that the E-04 will use. If you do not have an E-01 then you will need to buy the complete kit which will be a new installation.

Q: Does the ACK E-04 ELT transmit your GPS coordinates as well as 406?

By it self, no you will have to connect the E-04 to an external GPS to gain this feature. Refer to the manual for how to connect.

Q: How does an AP/AI test the unit at the annual condition inspection for proper function? Are there any special tools/equipment needed to test?

All of this is stated in the E-04 manual but a unit self test and checking lines for any corrosion is about all you need to do. No tools are needed and cost will only be the time to do the self test and check the lines.

Q: I'm interested in the ACK E-04 to replace a Narco 901 ELT, so I need the full installation kit. What else do I need in terms of panel indicators, etc. that are not in the package. Are there other required parts/special wire to connect to my Garmin panel GPS (530W)?

The E-04 is complete 11-06395 (For USA registered aircraft) for a new installation. For GPS connection you will need to refer to section 6 of the manual (on the Document Tab) which tells you what wire you will need based on your installation.

Q: On page 6, immediately above Figure 9, there is the statement ...to connect the ELT RS 232 data and power to the aircraft systems. Is the ELT to be connected to Aircraft Power? I thought their power was independent from the aircraft.

In most cases yes the ELT is independent of aircraft power unless the manual state so and in this case is require if you add GPS information to the ELT.

Q: Does this ELT meet the requirements for the 406 required for Bahamas travel? With a new installation kit, is it approved for installation in the PA28-180?

The Ack 406/121.5 MHz E-04 ELT will meet the future Bahamas 406 Mhz Requirement and is approved for installation in a PA28-180.

Q: What is the battery replacement item for the ACK 406 E-04 ELT?

The replacement battery for the ACK 406 E-04 is part# 11-10012.

Q: What is included for a new installation?

The ACK 406/121.5 MHZ E-04 ELT comes with the ELT, Antenna, Remote Switch, Alert Buzzer and wiring.

Q: Is a whip antenna available for the AKC-406/121?

Yes, the Whip antenna for the ACK 406/121.5 MHZ ELT is P/N 11-10465.

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