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C406N Embedded Nav Interface
Frequency 121.5, 243, 406.025 MHz
(DAI Part# 455-5063)
The Artex C406-N is a single output ELT that incorporates latitude/ longitude information from the aircraft navigation system. By use of an optional programming adapter, the ELT can also be programmed with the aircraft's 24-bit address for fleet operators as well as other custom programming. All three emergency frequencies (121.5/243.0 and 406.028 MHz) utilize the same RF output, which requires only one coax cable to connect to the new series of Artex single input antennas.

The ELT automatically activates during a crash and transmits the standard swept tone on 121.5 and 243.0 MHz. Every 50 seconds for 520 milliseconds (long message protocol) the 406.028 MHz transmitter turns on and transmits an encoded digital message to the Cospas/Sarsat satellite system. Also available is the Artex C406-N HM, which is equipped with a six-axis "G" switch for helicopter installations. Except for the end cap (P/N 452-5066), the mounting hardware for the C406-N series is compatible with all previous models of Artex 406 MHz ELT's.

Programming Form
Components for Artex C406-N Series

P/N 455-5060 C406-N, base
P/N 455-5062 C406-N with blade antenna
P/N 455-5063 C406-N with rod antenna
P/N 455-5064 C406-N HM with rod antenna
Operating 406.028 MHz ± 1 KHz Biphase L(16K0G1D)
Frequencies 121.5 & 243.00 MHz ± 0.005% (A3X)
Output Power 406 MHz: 5 W (520 mS/50 sec)
for 24 hrs. @ -20° C to +55° C
121.5/243.0 MHz: 100 mW minimum
for 50 hrs. @ -20° C to +55° C
Output Connector BNC female
Activation Automatic by 4.5'/sec G-switch or manual
Battery 5-year lithium (LiMnO2, solid cathode)
Operating Temperature
Storage Temperature
-20° C to +55° C
-55° C to +85° C
Self Test G-switch enabled
406 MHz power
Antenna/coax connection
Position data present
Low battery
Remote Control ON/ARM/RESET
Antenna Rod (110-338) (<350 Kts)
Blade (110-340) (<600 Kts)
Mounting Hardware Mounting tray P/N 452-5050
Protective top cover P/N 452-3052
End cap P/N 452-5066
Other Parts Coax cable
Buzzer (to alert ground crews of accidental activation)
C406-N programming adapter (P/N 453-5068 optional)
Weights ELT transmitter:3 lbs. 8 oz. maximum (1.6 Kg)
Mounting tray: 7 oz. (200g)
Protective top cover:6.7 oz. (190 g)
End cap:3.8 oz. (108 g)
Total weight: 4 lbs. 10 oz. (2.1 Kg)
Measurements ELT transmitter with mounting hardware installed:
11.74" (298 mm) L x 3.90" (99 mm) H x 3.82" (97 mm) W
Part Numbers C406-N: P/N 453-5060 (transmitter only)
C406-N HM: P/N 453-5061 (transmitter only)