Chart E (DER Engines)
- A1 – Turbine Engines – Detail Design (14 CFR: part 23, part 25, part 27, part 29, part 33)
- B1 – Piston Engines – Detail Design (14 CFR: part 23, part 25, part 27, part 29, part 33)
- C1 – RS-DER – Detail Design (14 CFR: part 23, part 25, part 27, part 29, part 33)