IRImplementing rule
SPA.HHO.125Performance requirements for HHO
Except for HHO at a HEMS operating site, HHO shall be capable of sustaining a critical engine failure with the remaining engine(s) at the appropriate power setting without hazard to the suspended person(s)/cargo, third parties or property.
IR · SPA.HHO.125 — Regulation (EU) No 965/2012 · Air OPS Easy Access Rules · EAR revision 27 Mar 2026