Order the Kit & STC

The Dip Davis Cowl Latch STC gives you the authority to install one set of Dip Davis Cowl Latches on one specific Cessna 120, 140, 140A, 170, 170A or 170B. This is a one time use STC, is N number specific and is NOT transferable. 

The STC includes new cowl latches, paperwork and installation instructions for the install.

The cost is US$250 per set of four (4) Wing type fasteners and is postpaid.

 The cost is only US$230 per set of four (4) Phillips head OR Slotted head fasteners and is postpaid.

After you submit the order , you can either send a check for the STC or pay using paypal. If you are from Canada, we request payment be either PayPal or International Money Order. Directions for payment will also appear after the form has been submitted.

If the form does not work out,  Please send us an email using this link:


Please include the following: Your Name and address, Phone number and email address,
The N number of the plane the Cowl latches will be installed on,
Shipping address if different than the registered address of the airplane,
What type of cowl latches you would like: Wing, Slotted or Phillips Head.

Be sure to include your contact information so we can get ahold of you for any questions.


After you contact us, we will let you know payment information.


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