Terms of sale

Version 6 — in force since 12 November 2026

Key terms in short

This summary changes none of the articles below. Each point links to its article. Page updated on 12 November 2026.

The Seller is KD Creative, sole trader E24255. Orders are processed by Paddle.com, the merchant of record: Paddle sells the product to the buyer, collects payment and taxes and handles refunds. Article 1
Everything is paid once: the notes are kept for life and a question bank plan runs for a fixed period, with no subscription and no automatic renewal. Article 2, Article 3
Each subject comes as an A4 PDF and a screen edition in English, with corrections and updates free of charge for 1 year from the date of purchase. Article 2, Article 11
The question bank opens for 2, 3, 6 or 12 months on all the subjects of a line (ATPL or PPL), or for 3 months on a single subject. A pack of notes includes 2 months of questions on its line; the notes of a single subject include 1 month of that subject's questions. Article 3
Delivery is immediate and entirely digital: the subjects purchased appear in the buyer's account at rotatestudy.com/account. Article 7
A buyer residing in the European Union, the EEA or the United Kingdom has 14 days from the purchase to withdraw. For the notes, that right is lost as soon as a note is opened online or its PDF downloaded; until then the refund is full. The buyer ticks a box before paying to confirm this. Article 8
A question bank plan is refundable within 14 days of the purchase if less than 10 % of its questions have been viewed and no misuse has been detected. Article 8
Refunds are made by Paddle. To request one, use the help link in Paddle's order confirmation email or write to contact@rotatestudy.com, also the address for any other question. Article 8, Article 14

Article 1 — Purpose and scope

These terms govern the sale, by KD Creative, sole trader E24255 — "the Seller" — of digital revision documents for the theoretical examinations of the Airline Transport Pilot Licence (Aeroplane), ATPL(A), and of the Private Pilot Licence (Aeroplane), PPL(A).

Orders are processed by our online reseller Paddle.com, which is the merchant of record for all orders: Paddle sells the product to the buyer, collects payment and taxes, and handles payment enquiries and refunds under its own buyer terms. The licence of use (article 9) is granted by the Seller.

Placing an order means full acceptance of these terms in the version in force on the day of the order. The buyer declares they have legal capacity to contract.

Article 2 — The products

The Seller offers revision notes in two lines: the thirteen subjects of the ATPL(A) theoretical syllabus, and the nine subjects of the PPL(A) theoretical syllabus. Each subject is sold individually; each line is also sold as a complete pack (the ATPL pack, the PPL pack). The same rules apply to both lines, including the right of withdrawal (article 8).

For each subject the buyer receives an A4 PDF and a screen edition read online, in English, together with access to the subject's practice questions and mock exams in the buyer's account, for the period set out in article 3.

Editions in other languages may be provided on request, at the Seller's discretion.

The Seller also sells access to the question bank (practice questions and mock exams) on its own, as plans of limited duration (article 3). The notes are bought once and kept for life; the question bank is bought for a period.

Nature of the documents

These documents are revision material. They replace neither official documentation nor a course delivered by an approved training organisation, and they are not certified examination preparation. The practice questions are training material with their own explanations; they are not the official examination questions of the European Central Question Bank, which is not public.

Air Law and Operational Procedures are written against European Union regulation. A buyer sitting examinations under another authority must check those two against their own rules. This limitation is stated on the sales page before any purchase.

Each subject states its sources and its verification date in Appendix E.

Article 3 — Question bank access

The practice questions and mock exams of the question bank are open for a limited period, which depends on the plan chosen or on the notes bought.

Plans. The question bank of each line is sold for 2, 3, 6 or 12 months on all the subjects of that line (the thirteen ATPL subjects, or the nine PPL subjects), or for 3 months on a single subject. A pack of notes includes 2 months of questions on all the subjects of its line. The notes of a single subject include 1 month of that subject's questions. A plan or a pack of one line never opens the subjects of the other line.
Counting. The period is counted in calendar months from the payment date, on the same day of the month at the same time (UTC), or on the last day of the month if that day does not exist. The end date is shown before payment, in Paris time, and then in the buyer's account.
Buying again. A new purchase adds its period after the current end date of the same scope (all the subjects of a line, or one subject). It neither shortens nor replaces the period already running.
No renewal. A plan is paid once for a fixed period. There is no subscription and no automatic renewal.
At the end. The questions go back to the free sample. The account, its results and its tests are kept, and are available again as soon as access is extended.
Reminder. One reminder email is sent to the account's address about 7 days before the end date.

Article 4 — Orders

Orders are placed online. The buyer selects the products, checks the summary, then confirms and pays (for notes, after ticking the box of article 8). Validation of the payment forms the contract.

The buyer provides an accurate name and email address: they are used for delivery and to personalise the copy. An incorrect address prevents delivery, for which the Seller cannot be held responsible.

A confirmation email summarising the order is sent after payment.

Article 5 — Prices and taxes

Prices are shown in euros. The price applicable is the one displayed at the time of the order.

Prices include VAT where applicable. VAT and any sales tax due in the buyer's country are calculated and collected by Paddle.com, as merchant of record, and shown at checkout before payment.

The Seller may change prices at any time; orders already placed are unaffected.

Article 6 — Payment

Payment is made online through Paddle.com, merchant of record. Card details never pass through this site and are never accessible to the Seller.

Orders are processed only once payment has actually been received.

Article 7 — Delivery

Delivery is immediate and entirely digital. Nothing physical is shipped.

After payment, the subjects purchased appear in the buyer's account at rotatestudy.com/account. Each can be read online and downloaded as a PDF marked in the buyer's name at the moment of download. Sign-in uses the email address given at checkout, by a link sent to that address or with Google.

If a link fails, a file will not open or a download proves impossible, the Seller restores access or resends the files free of charge, on request. That is not a ground for refund but a failure of delivery, which is remedied.

Article 8 — Right of withdrawal and refunds

Orders are placed through Paddle.com, merchant of record. Withdrawal and refunds follow Paddle's buyer terms and the rules below. A buyer residing in the European Union, the EEA or the United Kingdom has 14 days from the purchase to withdraw, without giving a reason, subject to what follows.

Notes

Before paying for an order that contains notes, the buyer ticks a box to ask for immediate access to the notes and to acknowledge that the right of withdrawal is lost as soon as a note is opened online or its PDF downloaded, in line with article L221-28, 13° of the French Consumer Code. The order cannot be placed without it. This consent is recorded with the order and recalled in the order confirmation email.
As long as no note has been opened or downloaded, the buyer may withdraw and obtains a full refund.
The pack is no longer refundable once any note of the pack has been opened or downloaded. The 2 months of questions offered with it follow the pack and cannot be refunded on their own. The same goes for the month of questions offered with a single subject.

Question bank

A question bank plan is refundable within 14 days of the purchase if less than 10 % of the questions accessible under that purchase have been viewed, and if no misuse (account sharing, mass copying of the questions) has been detected.

Other cases

The buyer's statutory rights, notably in case of defective or non-conforming content, are always reserved.
Paddle may also grant a refund in other cases, at its discretion.

Refunds are made by Paddle, merchant of record. To request one, the buyer uses the help link in Paddle's order confirmation email (paddle.net) or writes to contact@rotatestudy.com, who will pass the request on.

Article 9 — Licence of use

Purchase grants a personal, named, non-exclusive and non-transferable licence, with no time limit for the notes. Access to the practice questions follows article 3. Page 2 of each document restates these conditions.

What the licence allows

Reading, printing and annotating the documents for personal use.
Keeping backup copies on your own devices.

What the licence excludes

Passing on, lending, reselling, publishing or uploading the files to a shared space, a social network, a group chat or a file-sharing site.
Sharing the account or its sign-in details. The account is personal and can be open on two devices at a time; signing in on a third device signs out the oldest. An account shared between several people may be suspended.
Removing, obscuring or altering the licence details and the copy identifier.
Using the documents as paid teaching material without written agreement.
Creating a derivative work for distribution or sale.

Named marking

Each copy carries its holder's name, email address and a unique identifier, and the Seller keeps a register linking that identifier to the order. A file found in circulation can therefore be traced to its buyer.

The marking is visible on the document. The files communicate with no server and collect no usage data.

In the event of unauthorised distribution the Seller may terminate the licence as of right, without refund, and take any appropriate action. Infringement is punishable under article L335-2 of the French Intellectual Property Code by up to €300,000 and three years' imprisonment.

Article 10 — Comments and username

Under each practice question, buyers can post comments: a tip, a mnemonic, a question on the subject. This article sets the rules that apply.

Username

Chosen once. The buyer chooses a username once, and it is final.
Changes. The Seller may change it at the buyer's request, or on its own initiative when the name is inappropriate or reveals personal data.
Public. It appears next to each of the buyer's comments and can be seen by every user who reads them.

Community charter

Every comment follows these rules.

Respect. No insults, harassment or discriminatory remarks.
No advertising. No promotion of a product, a service or a website.
No personal data. Neither the author's own nor anyone else's: no email address, phone number or full name.
No protected content. Nothing copied from a book, a course or any document covered by someone else's rights, and no exam questions copied from another source.

Visibility and moderation

Who sees comments. The other buyers who have access to the question bank of that subject.
No prior review. Comments are published without prior review. The Seller acts once a comment is reported or noticed.
Moderation. The Seller may hide or delete any comment, in particular one that breaks this charter.
Reports. A comment reported by three different users is hidden until the Seller decides.
Deletion by the author. The author can delete their own comments at any time.
Repeated breaches. Repeated breaches of this charter may lead to the suspension of the right to comment. Paid access to the notes and questions is not affected.

Rights and responsibility

Responsibility. The author remains responsible for what they write.
Licence. The author grants the Seller a free, non-exclusive licence to display their comments on the site, for as long as they are published. The Seller may also use the ideas sent through "Improve" to correct or improve the notes and the question bank. The author keeps their rights in what they write.

Article 11 — Updates

Corrections and updates to the notes purchased are supplied free of charge for 1 year from the date of purchase, to the email address used for the order. No subscription is required. During that year, each update is announced to the buyer by email, sent by the Seller.

After that year, the buyer keeps the notes and still sees the current version in their account. Nothing is frozen, but the Seller no longer undertakes to supply or announce updates. The question bank is kept up to date for as long as access to it is open.

This undertaking covers the subjects purchased. It does not extend to new subjects outside the ATPL(A) and PPL(A) syllabi, nor to the creation of separate products.

Article 12 — Warranties and liability

The Seller takes the greatest care over the accuracy of the content, written from the primary sources cited in Appendix E of each subject.

However, since the documents are revision material and regulation evolves, the Seller does not guarantee success in the examination nor that the content remains current beyond the stated verification date. It is for the buyer to check regulatory points against official sources before any examination.

The Seller cannot be held liable for a failed examination, an operational decision, or any indirect loss. Liability is in any event limited to the amount of the order.

Statutory warranties of conformity and against hidden defects apply as provided by law; this clause does not derogate from them.

Article 13 — Personal data

Data processing is described in the legal notice, which forms an integral part of these terms.

Article 14 — Disputes

These terms are governed by French law.

In case of difficulty the buyer is invited to contact the Seller at contact@rotatestudy.com: most situations are settled that way.

As merchant of record, Paddle.com handles any dispute about payment, refunds or the order itself under its buyer terms. The buyer can reach Paddle through paddle.net or the help link in the order confirmation email.

Failing an amicable settlement, the dispute falls to the competent courts. A consumer may bring proceedings in the courts of their place of residence.

Article 15 — Changes to these terms

The Seller may amend these terms. The version that applies is the one in force on the day of the order; it is archived and can be provided on request.

Version française