fits model: R-5, M-2, Compass.

( Brand: Us Military ), ( Manufacturer Part Number: R-5/ARN-7 ), ( Part Type: Receiver Radio ), ( Signal Corps: 1941 1942 1943 1944 1945 1971 )
The ARN-7 Receiver Compass Navigational Radio, a military aircraft navigational device, is a testament to the technological advancements during World War II. This piece of history is a combination of the R-5 and M-2 models, two renowned navigational aids of the era.
The ARN-7 comprises a receiver, a compass, and a radio all in one compact unit. The receiver is designed to pick up and decode Morse code signals from ground-based stations, providing crucial navigation information to the aircraft. The compass, on the other hand, is a highly accurate device, essential for maintaining the aircraft's direction.
The radio aspect of the ARN-7 allows for two-way communication between the aircraft and ground control, enabling mission coordination, emergency assistance, and weather updates. The device is equipped with several features, including automatic frequency control, selective calling, and a built-in speaker for clear audio.
The ARN-7 is constructed with durable materials, such as aluminum and steel, to withstand the harsh conditions of flight. It features a robust design, with knobs and switches for easy operation even in turbulent environments. The device is powered by a 28-volt DC power source, typical of military aircraft during that era.
This ARN-7 Receiver Compass Navigational Radio is a fascinating piece of history, providing a glimpse into the navigation methods used by military aircraft during World War II. It is a must-have for aviation enthusiasts, collectors, or anyone interested in military history and technology.
Pros of buying an ARN-7 Receiver Compass Navigational Radio (WWII R-5 M-2):1. Historical value: This radio is a piece of military history, as it was used during World War II. Collectors and history enthusiasts may find it an interesting addition to their collection.
2. Authenticity: The ARN-7 is a genuine WWII radio, which means it has a unique and original design. This can add to its appeal for collectors.
3. Operational capabilities: Despite its age, the ARN-7 is still capable of providing basic navigation and communication functions. It can receive AM frequencies and has a built-in compass.
4. Rarity: The ARN-7 is a less common radio among WWII collectors, making it potentially more valuable.
Cons of buying an ARN-7 Receiver Compass Navigational Radio (WWII R-5 M-2):1. Limited functionality: Compared to modern navigation and communication devices, the ARN-7 has limited capabilities. It can only receive AM frequencies and has a basic compass.
2. Maintenance and repair: Due to its age, the ARN-7 may require more frequent maintenance and repair than a modern device. This can be costly and time-consuming.
3. Limited compatibility: The ARN-7 may not be compatible with modern devices or systems, making it less useful for practical navigation or communication purposes.
4. Size and weight: The ARN-7 is a larger and heavier radio than modern devices, making it less portable and convenient for travel.
Conclusion:If you are a collector or history enthusiast, the ARN-7 Receiver Compass Navigational Radio (WWII R-5 M-2) can be an interesting and valuable addition to your collection. However, it is important to consider its limited functionality, maintenance requirements, and compatibility issues before making a purchase. If you are looking for a practical navigation or communication device, a modern device may be a better choice.
Recommendation:If you are interested in collecting WWII military equipment, the ARN-7 Receiver Compass Navigational Radio (WWII R-5 M-2) can be a worthwhile addition to your collection. However, it is important to do your research on the radio's condition, history, and price before making a purchase. Consider buying from a reputable seller to ensure you are getting an authentic and well-maintained radio. Additionally, be prepared for the potential maintenance and repair costs associated with an older device.
Not sure of the working condition of the unit as it comes untested. Wwii Military aircraft navigational Compass radio receiver r 5 arn 7 marked reworked Sep nap NFL this part of the stamp is a bit worn unlike Used ones I researched, this one is in it's original box from when it was reworked in 1971, serial number on the box matches the serial number on the unit.
Original box isn't perfect as it is missing part of the box, but is included with the purchase of this unit.. Has a insert that was in the box that's packed with humidors for keeping moisture out of the unit.
I ll try to answer questions you post to me prior to buying or buying but if I can't answer them ictus I just don't know. As far as oem pieces for sale I do try to take measurements, look up part casting numbers and look up parts in old catalogs but again I am no expert on every part listed.
Some parts may be oem to one vehicle but also applicable to another. I cannot possibly know everything about every item listed but I try my best to give you the most information possible and pictures so you can determine if the product is right for you.

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