Staging copy. The live site is at https://staging.data.eflight.com.
eFlight RegistryFAA data, updated daily
Registered aircraft · FAA record as of September 25, 2026
N5663

Sikorsky S-55B

Valid Kentucky

N5663 is a Sikorsky S-55B, a rotorcraft with turboshaft engines (a helicopter or multicopter), built in 1959. It has 12 seats. It is registered to Sierra Aeronautics LLC, an LLC in Franklin, Kentucky. The registration is valid: it was issued on October 7, 2021 and expires on October 31, 2028. It holds a restricted airworthiness certificate for agriculture and pest control, dated February 22, 1979.

Aircraft

Maker
Sikorsky
Model
S-55B
Serial number
55-1267
Type
Rotorcraft
Power
Turboshaft, 1 motor · Wright R-1300 SER · 700 hp
Seats
12
Year built
1959
Cruising speed
71 mph
Transponder code
A73FF5 (octal 51637765)

Registration

Status
Valid registration
Certificate issued
October 7, 2021
Expires
October 31, 2028
Last FAA action
June 16, 2023
Airworthiness
Restricted · Agriculture and pest control · February 22, 1979
FAA region
Central
FAA record id
00750356

Owner as the FAA publishes it

Name
Sierra Aeronautics LLC
Type
LLC
Address
40 Sulphur Spring Church Rd
Franklin, KY 42134-8569

Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.

Documents on file 0

No bills of sale, loans or other documents are indexed against this tail number.

Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data