IR Beacons

Landing

These "Firefly" IR lights are designed to snap onto a standard 9 Volt battery.  They have a single steady IR light.
The LED is aimed along the long axis of the battery so illuminates the sky if the battery is standing up.

Marked NSN 6240-01-275-8080
MFR 5X557, 4095, A308501, REV B

The manufacturer is:
Power Plus Inc
550 Parque Dr
Ormand Beach, FL 32174
Voice Telephone: 386-672-7579

 2nd Battalion, 5th Marines -Book I  Night Warrior Handbook - Section 2.6 -

Personnel

• The Budd Light   5855-01-361-8987 invented by Henry C. "Budd" Croley is a flashing IR beacon.  The IR LEDs are pointing at right angles to the battery long axis so if the battery is in a pocket some of the LEDs will be pointing out through the clothing which is transparent to IR.

• IR-14 Phoenix Jr NSN 5855-01-438-4588 replacement for the Budd Light
The Phoenix Jr.  is virtually identical to the Phoenix Beacon described below. The primary difference between the two is that the Phoenix Jr. is a flashing-only beacon. The unit begins transmitting a pulsing signal (nominally 45 PPM) as soon as a battery is connected. The Near-IR signal can be seen only by those equipped with NVG and tests show that it can be seen at ranges out to 14 nautical miles.
• IR-15 Phoenix     NSN 5855-01-396-8734 can be encoded by used to send message
The Phoenix is a small, lightweight IR transmitter that operates in the Near-IR range. Its unique capability is the user-installed Morse Code-like signaling pulses that it transmits. Using a tool as simple as a coin, a survivor can install a series of prebriefed identifying dots and dashes (code-of-the-day) that are uniquely identifiable by SAR/CSAR forces. The signal can be seen only by those equipped with night vision goggles; and tests show that the Phoenix signal can be seen at ranges out to 14 nautical miles.
100 hours on a 9 Volt battery.  The user can use any metal object such as a coin or dog tag to store up to 20 seconds of morse code message.
• IR-25 Phoenix 2.5 NSN 5855-01-451-9877 2 chan encodable for night SAR ops
<>The Phoenix 2.5 (NSN 5855-01-451-9877) is an upgraded version of the Phoenix Combat Identification Beacon. The Phoenix 2.5 has a two-channel signaling capability. Channel 1 is the default code; however, the user can install up to 20 seconds of pre-briefed code into Channel 2 using any metallic object. The Command Entered Recognition Encoder (CERE-25, NSN 5855-01-452-0079) is necessary to install the semi-permanent code into Channel 1 of the beacon.
 "...a visual signal displayed in a covert manner to indicate the presence of an individual or object at a given location." Joint Publication 3-50.3, Terms and Definitions
(the above three definitions from Night Vision Systems this page has a number of other IR beacons described
they are the supliers of the Phoenix beacons.)

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