N5663 — 1959 Sikorsky S-55B
Active registrationChecked against FAA & NTSB records · as of Jul 17, 2026
N5663 appears in 1 NTSB accident record (most recent 2011, 1 fatality). Registration and accident data compiled from public FAA and NTSB records as of Jul 17, 2026.
Aircraft record
- Serial number
- 55-1267
- Manufacturer
- Sikorsky
- Model
- S-55B
- Year
- 1959
- Category
- Rotorcraft
- Engine
- Wright R-1300 Ser
- Registration
- Active
- Registered to
- Sierra Aeronautics Llc — Franklin, KY
Accident & incident history
The pilot’s failure to maintain clearance from power lines while maneuvering at a low altitude.
Registration timeline
Ownership and registration events for this airframe (the 1959 Sikorsky S-55B).
- Oct 7, 2021registered — Sierra Aeronautics Llc
Frequently asked
- Has N5663 been in an accident?
- Yes. N5663 appears in 1 NTSB accident record, the most recent in 2011.
- What kind of aircraft is N5663?
- N5663 is a 1959 Sikorsky S-55B (rotorcraft), serial number 55-1267.
- Who is N5663 registered to?
- N5663 is registered to Sierra Aeronautics Llc of Franklin, KY. Registration status: active.
- Has N5663 been in a fatal accident?
- An NTSB record for N5663 (WPR11FA350) is classified with a fatal highest injury level.
The full N5663 report
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- Full NTSB investigation narratives for all 1 record — the complete text, not just the cause line
- Pre-buy question list generated from this aircraft’s actual records
- Complete registration & deregistration timeline, print-ready
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