Spitfire Marks & Variants Reference Guide

A fact-checked Spitfire reference guide for aviation enthusiasts, from R. J. Mitchell’s racing seaplanes and the K5054 prototype to the last F.24: every main mark and role, the Merlin and Griffon engines, wing types, production, a marks-at-a-glance table, specifications source by source and two pages on where the sources disagree.

What’s inside:

- About this guide, how the figures vary, and contents

- From racing seaplanes to K5054 (1929 to 1936)

- Into service and into production

- Mk I and Mk II: the Battle of Britain Spitfires

- Mk V

- High altitude, Mk IX and Mk XVI

- The Griffon marks, Mk XII to F.24

- Reconnaissance, Seafires and other roles

- Marks at a glance: a one-page quick-reference table

- Specifications, source by source

- Where the sources disagree (2 pages)

- Notes page

- Picture credits; credits, licence & sources

Pages: 16 (including cover and credits). Sizes: A4 (210 × 297 mm) and US Letter (8.5 × 11 in), both PDFs included in one zip.

Printing: Print at 100% / actual size on A4 or US Letter. Inside pages use light backgrounds and print well in black and white; covers are dark, so start from page 2 to save ink.

Every fact is checked against named source pages from the RAF, the Battle of Britain Memorial Flight, the RAF Museum, Imperial War Museums, the Smithsonian National Air and Space Museum, Ingenium (Canada Aviation and Space Museum), the National Museum of the US Air Force, the Shuttleworth Collection and Britannica (checked 29 Oct 2026), and the sources are listed on the pack’s credits page. Figures that can change, such as how many Spitfires the Battle of Britain Memorial Flight flies, are printed with that date. Where sources give different figures, such as how many Spitfires were built, each is shown with its source.

Photos are public-domain wartime RAF and Royal Navy photographs (IWM collections, via Wikimedia Commons) and a CC0 Smithsonian photo; drawings, charts, puzzles and layouts are REALLYBYTE’s own work, and aircraft drawings are stylised, not scale plans, with no real markings or logos. Not affiliated with or endorsed by the Royal Air Force, the Ministry of Defence, the Battle of Britain Memorial Flight, Rolls-Royce, any successor to Supermarine or Vickers-Armstrongs, or any museum named. Names are used only to identify the aircraft, engines and organisations discussed.

Licence: personal use. Print as many copies as you need for yourself and your household. Please don’t resell, re-upload or share it publicly. For club, school or commercial use, please email info@reallybyte.com.

Made by REALLYBYTE, the team behind spitfire.aeroplanes.im. Questions: info@reallybyte.com

This is a digital download: no physical item will be shipped.