Helicopter Resources

Of The Many MD Helicopter Parts, What is NOTAR & Why Is It So Innovative?

NOTAR is the name for some innovative semi-new anti-torque MD helicopter parts. NOTAR eliminates the use for a tail rotor by using a fan inside the tail boom to accumulate an enormous volume of low-pressure air, which then leaves through two openings and fosters a boundary layer flow of air against the tail boom, taking advantaged of the Coandă effect. The Coandă effect is the tendency for a stream of water or air to conform to a nearby object. It happens if you poor a teakettle too lightly, or put your finger very close to the water coming out of a faucet.

NOTAR MD helicopter parts are used on many MD helicopter models, including the MD 520N, which is essentially the MD 500 but with NOTAR instead of a tail rotor, the MD 600N, which is just a bigger 520N, and the MD Explorer, a six seating multipurpose medium/light helicopter. These helicopters are some of the best in the world, and are used both professionally for emergency medical services, police operations like search, rescue, and surveillance, firefighting, and air-sea rescues.

Helicopters equipped with NOTAR technology are considered by many to be some of the safest helicopters in the skies, chiefly because of the absence of a tail rotor. Helicopters equipped with the NOTAR system tend to rank right there with the quietest certified helicopters, chiefly by eliminating the use of a tail rotor. According to McDonnell Douglas, many helicopter accidents are the result of the tail rotor, thus the use of NOTAR as a replacement could be extremely beneficial to the health and wellness of those in the helicopter industry.

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Heli-Mart: Helicopter Parts, Helicopter Component Overhaul & Repair, and Helicopter Sales

Your helicopter doesn’t work from 9 to 5…Neither do we. When you are in need of helicopter spare parts, we strive to fulfill your orders with access to our large, on-shelf inventory. In situations that are more urgent, such as Aircraft On Ground (AOG), we are always a phone call or email away in getting you your needed replacements or repairs.

Heli-Mart Inc provides the highest level of expedited service to its worldwide customer base. Our extensive, on-shelf inventory contains spare parts for all major helicopter manufacturers, including: MD Helicopter, Bell Helicopter, Airbus (Eurocopter) Helicopter, and Sikorsky (Schweizer) Helicopter parts. We continue to buy helicopter inventories with thousands of new and used surplus helicopter parts, helicopter accessories and helicopter components. Furthermore, our in-house overhaul and repair facility, California Aero Components, enables us to maintain additional stock on items for the MD product line such as, main and tail rotor transmissions, pitch-controls, landing gear dampers, etc. This allows us to provide our customers with an added level of service and support in critical times.

With over 40 years of helicopter parts, helicopter repair, and helicopter sales experience, we will get you the parts and support you need, when you need it. Please give us a call so we can discuss your helicopter related needs.