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What our customers say about pdfFiller
See for yourself by reading reviews on the most popular resources:
I completed a passport application. The document was easy to fill & very professional in quality which made it very easy to be understood during processing.
2015-11-25
It's a great program that's easy to use. It makes documents appear professional by enabling me to type in then instead of write by hand. I will definitely be renewing my subscription. Plus, the price is affordable.
2017-10-04
I think the learning curve is a little steep. Also, at times the app seems a little counter-intuitive. It's not always easy to find forms you have worked on previously.
2019-10-27
I think that it's a great thing. It makes fighting a case much easier.
That more people don't use it. There is nothing else that I like least about it. My vice president used it also an has no problems with it.
Being able to find what your looking for, then being able to fill form in an save it, then come back to it.
2017-11-14
A wonderful tool for small business
Filling and sending forms is extremely easy, other people can sign into the account and use it.
It makes filling out forms a breeze, no more handwriting. It's very simple to use, allows good organization and many ways of printing or sending the completed form.
The E-Signature is a bit funny but that's my only complaint.
2017-09-26
I am a court reporting student who uses your product to edit transcripts. This is an amazing tool which makes it easy to highlight errors and insert corrections or suggestions. THANK YOU for such a user friendly, simply, affordable program!
2022-05-03
Overall I'm satisfied
Overall I'm satisfied, however, the edit tool is giving me some trouble. While I can edit, my corrections are not being saved :0(
2021-01-27
What do you like best?
I like the fact that’s it’s easy to use.
What do you dislike?
It may seem a little overwhelming at first.
Recommendations to others considering the product:
Spend time navigating through it. Get familiar with everything it has to offer.
What problems are you solving with the product? What benefits have you realized?
Converting documents and fillable fields.
2020-08-26
A good program (and nice people)
A good program, a bit too comprehensive for me (in some ways), and a few (to me) important features were missing.
After my trial period, I was accidentally invoiced for a full year, the support department solved that nicely.
2025-03-26
For pdfFiller’s FAQs
Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
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How can I get STC approved?
The first step is to fill out an application Form FAA 8110-12. Along with the application, you'll need to provide a detailed program plan called a Project Specific Certification Plan (PSP) and a compliance checklist. Detailed test and computations. Conformities for the test airplane. Accomplish test and computations.
What is an STC for aircraft?
A supplemental type certificate (STC) is a national aviation authority-approved major modification or repair to an existing type certified aircraft, engine or propeller. As it adds to the existing type certificate, it is deemed “supplemental”.
How do aircraft get STC?
The first step is to fill out an application Form FAA 8110-12. Along with the application, you'll need to provide a detailed program plan called a Project Specific Certification Plan (PSP) and a compliance checklist. Detailed test and computations. Conformities for the test airplane. Accomplish test and computations.
What is aircraft certificate type?
A type certificate signifies the airworthiness of a particular category of aircraft, according to its manufacturing design ('type'). It confirms that the aircraft is manufactured according to an approved design, and that the design ensures compliance with airworthiness requirements.
Does an STC require a Form 337?
Any STC is, by definition, a major alteration and also requires a 337 form.
Does an STC require a 337?
Yes Bill a 337 is required anytime an STC is applied to your aircraft. That way if your log books are ever lost the FAA has a record of any type design change to your aircraft.
Who can sign a 337?
The person who performs or supervises a major repair or major alteration must prepare FAA Form 337. The form is executed at least in duplicate and is used to record major repairs and major alterations made to an aircraft, airframe, power plant, propeller, appliance, or a component part thereof.
How many copies of FAA Form 337 are required?
FAA Form 337 will be executed in duplicate with one signed copy given to the aircraft owner and one copy forwarded to the FAA within 48 hours after the airframe, aircraft engine, propeller, or appliance is installed on an aircraft and approved for return to service.
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