N4011S is not currently registered. It was last assigned to an Ayres Corporation S2R-600 built in 1979. The FAA cancelled the registration on November 15, 2012. The last status on file was "registration expired, pending cancellation". The number has been on and off the register 2 times.
N4011S is reserved by MD Helicopters INC since February 22, 2019. Reservation type: Reserved to manufacturer, no fee, no expiration.
Ayres Corporation S2R-600 cancelled November 15, 2012
- Serial number
- 2541R
- Type
- Fixed-wing, single engine · Piston (reciprocating)
- Year built
- 1979
- Last status
- Registration expired, pending cancellation
- Certificate issued
- August 27, 1986
- Last FAA action
- June 15, 2010
- Last owner
- Aircraft Rentals INC (Corporation)
Greenville, MS - Airworthiness
- Restricted · Agriculture and pest control
Sikorsky S-65C3 cancelled May 14, 1975
- Serial number
- 65397
- Type
- Rotorcraft · Turboshaft
- Year built
- 1975
- Last status
- Valid registration
- Exported to
- Israel
- Certificate issued
- April 19, 1975
- Last FAA action
- —
- Last owner
- United Aircraft CORP Sikorsky Aircraft Division (Corporation)
Stratford Ct, CT - Airworthiness
- None on file
NTSB accident and incident record under N4011S
Aircraft on the NTSB record: Ayres SR-2-600 · serial 2541R
A tail number passes between aircraft over the years; match the serial number on the NTSB record against the airframe above. Source: NTSB aviation accident database, records through September 30, 2026.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 2, 2026. See this number on the FAA site