--- title: "Powers and recitals — Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1, Aerodromes — rule index · Avioverse" description: "Powers and recitals (1 paragraph), Regulation (EU) No 139/2014. (used in CS-HPT-DSN)
ASPSL arrays of segmented point source…" url: "https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/powers-and-recitals" --- # Powers and recitals Certification Specifications and Guidance Material for Heliport Design (CS-HPT-DSN) — Issue 1 · Aerodromes · Regulation (EU) No 139/2014 1. ## [List of abbreviations](https://avioverse.aero/regulations/easa/aerodromes/cs-hpt-dsn/powers-and-recitals/list-of-abbreviations) (used in CS-HPT-DSN) ASPSL arrays of segmented point source lighting APAPI abbreviated precision approach path indicator CS-ADR-DSN certification… Consolidated from the EASA Easy Access Rules (revision 13 Mar 2026, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use. Share [LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Favioverse.aero%2Fregulations%2Feasa%2Faerodromes%2Fcs-hpt-dsn%2Fpowers-and-recitals)[X](https://twitter.com/intent/tweet?url=https%3A%2F%2Favioverse.aero%2Fregulations%2Feasa%2Faerodromes%2Fcs-hpt-dsn%2Fpowers-and-recitals\&text=Powers%20and%20recitals%20%E2%80%94%20Aerodromes)