Alpha Aviation Inc. Receives New Shoulder Harness STC approval

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OWATONNA, MINN., Sept. 5, 2019 – Alpha Aviation Inc’s. 3-point Diagonal Shoulder Harness STC kit for Cessna Models 150/152 is now FAA approved using OEM quality AmSafe restraint assemblies meeting TSO-C114. 

FAA STC SA04389CH includes belt assemblies and hardware for the installation of 3-point diagonal shoulder harness restraints in the pilot and copilot positions.

Cessna 150, 150A, B, C, D & E aircraft will require this STC for the installation of nut plates to accommodate the addition of 3-point diagonal restraints.

Cessna 150F, G, H, J and K have existing factory installed nut plates. The upgrade to 3-point diagonal fixed strap restraints does not require an STC; it is accomplished by minor change. The upgrade to 3-point diagonal inertial reel restraints will require this STC to accommodate the positioning of the inertial reels. 

Cessna 150L, M and 152 aircraft have existing factory installed nutplates. The replacement of the 3-point diagonal fixed strap diagonal restraints does not require an STC and can be accomplished by minor change. The upgrade to 3-point diagonal inertial reel-equipped restraints will require this STC to accommodate the positioning of the reels. 

STC SA04389CH for Cessna Models 150/152 includes two shoulder harnesses (fixed strap or inertial reel equipped); two new lap belts with buckles and end fittings; FAA Form 8130-3 Airworthiness Certificate and Certificate of Conformance; all required hardware; detailed installation manual with drawings; and Supplemental Type Certificate and STC authorization.

The price for the fixed strap STC kit is $949 (2 seats). The inertial reel equipped STC kit* costs $1,169 (2 seats). A fixed strap replacement shoulder and lap belt is $409 (1 seat).

Stock colors for belts are black, cruiser gray and fawn (tan). Other colors are available at no additional cost.

For more information and to order, visit alphaaviation.com/cessna-150-152.

*Currently taking pre-orders. Shipping expected to start mid-October 2019.