HARTMAN ELECTRICAL MFG A-700AAP Helicopter Cutout Reverse Relay UH-1

( Brand: Hartman Electrical Mfg ), ( Manufacturer Part Number: A-700AAP ), ( Part Type: Reverse ), ( Compatible Make: Bell Uh-1 Series Helicopters ), ( Compatible Model: Bell Helicopter ), ( Country Of Origin: United States )

Review HARTMAN ELECTRICAL MFG Co Bell Helicopter Uh-1 Cutout Reverse Current Relay Pn#

The Hartman Electrical Mfg. A-700AAP Helicopter UH-1 Cutout Reverse Relay is a crucial component designed specifically for the electrical system of UH-1 helicopters. This relay ensures the proper functioning of the tail rotor reversing system, which is essential for the helicopter's maneuverability during takeoff, landing, and hovering.

The A-700AAP relay is a solid-state, contactorless design that offers several advantages over traditional electromechanical relays. It is more reliable, with no moving parts to wear out or fail. It also provides faster switching times, which can improve the overall performance of the helicopter's electrical system.

The relay is designed to be easy to install, with a compact size that fits standard cutouts. It measures 3.5 inches long, 2.2 inches wide, and 1.3 inches high, making it a convenient addition to any UH-1 helicopter's wiring harness. The relay comes with a clear, over-molded cover that protects the relay's components from environmental hazards such as moisture and debris.

The Hartman A-700AAP Helicopter UH-1 Cutout Reverse Relay is built to meet the highest standards of quality and durability. It is constructed of high-quality materials, including a corrosion-resistant aluminum housing and gold-plated contacts. The relay is also RoHS compliant, ensuring that it is free from harmful substances such as lead, cadmium, and mercury.

The relay's operation is simple yet effective. It automatically switches the tail rotor reversing system on and off based on the helicopter's flight conditions. When the helicopter is on the ground or slowing down for landing, the relay allows the tail rotor to reverse, helping the helicopter to counteract the torque and maintain stability. When the helicopter is in flight, the relay cuts out the reverse function, ensuring that the tail rotor spins in the correct direction for flight stability.

In summary, the Hartman Electrical Mfg. A-700AAP Helicopter UH-1 Cutout Reverse Relay is a high-quality, solid-state relay that ensures the proper functioning of the tail rotor reversing system on UH-1 helicopters. Its compact size, easy installation, and reliable performance make it an essential component for any UH-1 helicopter's electrical system.

Buying a Hartman Electrical Mfg A-700AAP helicopter UH-1 cutout reverse relay involves weighing the potential benefits against the drawbacks to determine if it's the right choice for your specific needs. Here are some pros and cons to consider:

1. Reliability: Hartman is a well-known manufacturer of reliable avionics components, including UH-1 helicopter reverse relays.

2. Compatibility: This relay is designed specifically for the UH-1 helicopter, ensuring a perfect fit and proper functionality.

3. Redundancy: Having a spare cutout reverse relay on hand can provide an additional layer of safety and reliability for your helicopter.

1. Cost: Replacement relays can be quite expensive, especially for specialized components like the Hartman A-700AAP.

2. Complexity: Installing a new relay may require specialized knowledge and tools, potentially adding to the overall cost and time investment.

3. Availability: Depending on your location and the availability of stock, you may experience delays in obtaining a new relay.

Considering the pros and cons, purchasing a Hartman Electrical Mfg A-700AAP helicopter UH-1 cutout reverse relay can offer improved reliability, compatibility, and safety for your helicopter. However, the high cost, potential complexity of installation, and potential availability issues may be deterrents for some. Ultimately, the decision to buy this relay depends on your budget, time constraints, and the importance of ensuring maximum safety and reliability for your helicopter operations.

If you operate a UH-1 helicopter and reliability is a top priority, investing in a Hartman Electrical Mfg A-700AAP helicopter UH-1 cutout reverse relay could be a wise choice. It's recommended to consult with a professional avionics technician to ensure proper installation and to discuss any potential cost-saving alternatives, such as rebuilding or repairing your existing relay, before making a purchase.

Details:

Removed from a Bell UH-1H Huey Helicopter that was parted out. Reverse Current Cutout Relay Part Number A-700AAP Selling in As-IS Condition.

part #: a700aap price

• $139.00

specifications aviationpar:

• brand: Hartman Electrical Mfg
• mpn: A-700aap
• part type: Reverse
• compatible make: Bell Uh-1 Series Helicopters
• compatible model: Bell Helicopter
• country of origin: United States

seller aviationpar:

• # reviews: 1189
• rating: 100.0%
• city: Cleburne, Texas

returns aviationpar:

• policy: No Returns

offer aviationpar:

• availability: In Stock
• quantity: 1
• started: April 22, 2026
• sold: 0
• options: Ship-to-home
• best offers: True

payments aviationpar:

• wallet: Apple-pay
• credit card: Mastercard
• other

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: Used

shipping aviationpar:

• type: Calculated
• transit: 5-10 Days
• carrier: USPS
• service: USPS Ground Advantage
• cost: $9.81
• class: Standard

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