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Other aircraft modifications

STC SE5511NM

FAA DRS lists SE5511NM as Current · Reissued, held by Bell Helicopter Textron Inc., for Rolls-Royce 250-C20, Rolls-Royce 250-C20B, and Rolls-Royce 250-C20C (T63-A-720), and 8 more aircraft configurations. Recorded change: Installation of compressor discharge pressue (PC) valve. Snapshot dated June 30, 2026.

Aircraft configurations
11
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

SE5511NM identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Rolls-Royce 250-C20, Rolls-Royce 250-C20B, and Rolls-Royce 250-C20C (T63-A-720), and 8 more aircraft configurations. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

Rolls-Royce 250-C20E4CERolls-Royce 250-C20BE4CE
Rolls-Royce 250-C20C (T63-A-720)E4CE
Rolls-Royce 250-C20FE4CE
Rolls-Royce 250-C20JE4CE
Rolls-Royce 250-C20RE4CE
Rolls-Royce 250-C20R/1E4CE
Rolls-Royce 250-C20R/2E4CE
Rolls-Royce 250-C20R/4E4CE
Rolls-Royce 250-C20SE4CE
Rolls-Royce 250-C20WE4CE

Buyer checks

Confirm before sourcing