CESSNA CITATION 9912076-12 Warning Switch

( Brand: Cessna Citation ), ( Manufacturer Part Number: 9912076-12 ), ( Part Type: Switch )

Review CESSNA CITATION Oem Warning Switch fits MACH S550

The Cessna Citation S550 jet is a popular choice for business aviation, known for its impressive performance, comfort, and advanced technology. One crucial safety feature of this aircraft is the Mach Warning Switch, which is essential for monitoring the jet's speed and preventing potential over-speed situations. The specific part we'll discuss is the Cessna Citation 9912076-12 Mach Warning Switch.

The 9912076-12 Mach Warning Switch is a vital component of the Cessna S550's flight control system. Its primary function is to alert the pilot when the aircraft approaches the maximum allowable speed (Mach 1.2) during high-speed flight. This switch is designed to ensure the safe and efficient operation of the aircraft by preventing potential over-speed situations that could lead to structural damage or other safety concerns.

The Cessna Citation 9912076-12 Mach Warning Switch is a manually operated switch, typically located on the cockpit panel. It features a red lever that, when pushed, activates the warning system. Once the switch is actuated, an audible alarm and a warning light on the cockpit panel are activated, alerting the pilot to reduce the aircraft's speed.

This particular Mach Warning Switch is a replacement part for existing systems in Cessna S550 jets. It is built to meet or exceed OEM specifications, ensuring reliable and accurate performance. The switch is designed to be easily installable, with clear instructions provided in the accompanying documentation.

The Cessna Citation 9912076-12 Mach Warning Switch is made from high-quality materials, ensuring durability and resistance to wear and tear. It undergoes rigorous testing to ensure its compatibility with the aircraft and its ability to perform under various environmental conditions.

In summary, the Cessna Citation 9912076-12 Mach Warning Switch is a crucial safety component for Cessna S550 jets. It is designed to alert pilots when the aircraft approaches maximum allowable speed, ensuring safe and efficient operation. This replacement part is built to meet or exceed OEM specifications, ensuring reliable and accurate performance.

Buying a Cessna Citation S550 jet with a Mach warning switch (Part Number 9912076-12) can offer several advantages and potential drawbacks for aircraft owners and operators. Here are some pros and cons to consider:

1. Enhanced Safety: The Mach warning switch is a crucial safety feature that alerts the pilot when the aircraft approaches its maximum speed limit. This can help prevent over-speeding and potential damage to the engine or structure.

2. Compliance with Regulations: Installing a Mach warning switch may be required by some regulatory agencies or insurance companies as part of the aircraft's maintenance program.

3. Increased Value: Having a Mach warning switch installed can add value to the aircraft as it is considered a desirable safety feature for potential buyers.

1. Cost: The cost of purchasing and installing a new Mach warning switch can be significant. It includes the cost of the part itself, labor costs for installation, and any necessary modifications to the aircraft's wiring or instrumentation.

2. Complexity: Installing a Mach warning switch can be a complex process that requires specialized knowledge and skills. It may involve working with the aircraft's avionics and wiring systems, which can be time-consuming and costly.

3. Maintenance: Like any other aircraft component, the Mach warning switch requires regular maintenance to ensure it functions properly. This can add to the overall cost of ownership and require additional time and resources.

The decision to buy a Cessna Citation S550 jet with a Mach warning switch (Part Number 9912076-12) ultimately depends on the individual's priorities and budget. For those who value safety, compliance with regulations, and potential resale value, the benefits of having a Mach warning switch may outweigh the costs. However, for those with limited resources or who prioritize other upgrades or modifications, the cost and complexity of installing a Mach warning switch may be a deterrent.

If safety is a top priority, and the aircraft is being operated in an environment where over-speeding is a concern, investing in a Mach warning switch is recommended. It is essential to work with a qualified and experienced avionics installer to ensure a proper installation and to understand the ongoing maintenance requirements. Additionally, it may be worth exploring financing options or budgeting for the installation as part of a larger maintenance plan.

Details:

Selling as is with no warranted. Please see pics for more details. Comes with the green label attached. For your consideration is a 9912076-12 Cessna Citation Mach Warning Switch.

part #: 991207612 prices

• $995.00-$1960.00

specifications aviationpar:

• for models: S550, Mach
• for makes: Cessna
• brand: Cessna Citation
• mpn: 9912076-12
• part type: Switch

offer aviationpar:

• availability: In Stock
• sold: 0
• started: April 30, 2026
• options: Ship-to-home
• quantity: 1

payments aviationpar:

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

seller aviationpar:

• rating: 100.0%
• city: Alexandria, Virginia
• # reviews: 2697

shipping aviationpar:

• cost: $16.45
• carrier: USPS
• service: USPS Ground Advantage
• class: Standard
• transit: 5-11 Days
• type: Calculated

returns aviationpar:

• policy: No Returns

general aviationpar:

• Parts Accessories > Aviation Parts Accessories > Parts
• condition: For parts or not working

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