N4021S — 1980 Ayres Corporation S2R-600
DeregisteredChecked against FAA & NTSB records · as of Aug 29, 2026
N4021S appears in 1 NTSB accident record (most recent 2011, no injuries). Registration and accident data compiled from public FAA and NTSB records as of Aug 29, 2026.
Aircraft record
- Serial number
- 2561R
- Manufacturer
- Ayres Corporation
- Model
- S2R-600
- Year
- 1980
- Category
- Fixed wing single-engine
- Engine
- P&w R1340 Series
- Registration
- Deregistered
Accident & incident history
Partial loss of engine power for undetermined reasons.
Registration timeline
Ownership and registration events for this airframe (the 1980 Ayres Corporation S2R-600).
- Nov 8, 2013deregistered — Aircraft Escrow & Title Co
Earlier aircraft on this N-number
The tail number N4021S was previously assigned to a different aircraft. A registration number can be reused across unrelated airframes over decades — these are not the 1980 Ayres Corporation S2R-600 above.
- until May 23, 1972Sikorsky S-61D (s/n 61497)
Frequently asked
- Has N4021S been in an accident?
- Yes. N4021S appears in 1 NTSB accident record, the most recent in 2011.
- What kind of aircraft is N4021S?
- N4021S is a 1980 Ayres Corporation S2R-600 (fixed wing single-engine), serial number 2561R.
The full N4021S 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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