# N591AS: 2018 Jason Sapp EVOLUTION AIRCRAFT

- Status: Valid registration
- Airframe: [Jason Sapp EVOLUTION AIRCRAFT](https://openairdocs.org/model/jason-sapp-evolution-aircraft) (registry code 05637VI, 5 seats)
- Engine: [Pratt & Whitney Canada PT6A-135A](https://openairdocs.org/engine/pratt-whitney-canada-pt6a-135a) (registry code 52260)
- Data sheets: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (Pratt & Whitney Canada Corp.) (OpenAirDocs)
- Serial number: EVO-0063
- Year built: 2018
- Type: Fixed wing single engine
- Engine type: Turbo-prop
- Kit: Lancair Intl Inc EVOLUTION
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 31, 2018
- Certificate issued: July 16, 2018
- Expires: July 31, 2028
- Mode S code: A7A12F
- Registered owner: [Sierra Alpha Papa Papa LLC](https://openairdocs.org/faa-owner/SIERRA%20ALPHA%20PAPA%20PAPA%20LLC)
- Location: [Paragould, AR](https://openairdocs.org/faa-place/AR/Paragould)
- Owner type: LLC
- Owner's area on the map: 36.0795° N, 90.5164° W: Placed by OpenAirDocs at the center of ZIP code 72450, within about 10 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=591AS
- Page: https://openairdocs.org/aircraft/N591AS

From the FAA registry file of October 21, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 4 in force

### Matched by airframe (Jason Sapp EVOLUTION AIRCRAFT)

None in force.

### Matched by engine (Pratt & Whitney Canada PT6A-135A)

- [AD 2014-11-05](https://openairdocs.org/ad/2014-11-05): Reinforcement liner to the power turbine (PT) containment   
  ring and, for certain PT containment rings, adding scallops · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 18 more. Effective Aug 5, 2014
- [AD 2012-09-10](https://openairdocs.org/ad/2012-09-10): First stage sun gears · Pratt & Whitney Canada PT6A-110, PT6A-112, PT6A-114 and 12 more. Effective May 23, 2012
- [AD 2002-23-13](https://openairdocs.org/ad/2002-23-13): Turbine Exhaust Ducts · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 20 more. Effective Dec 31, 2002
- [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997

## Information bulletins (advisory) (1 in force)

- [SAIB NE-12-04](https://openairdocs.org/saib/NE-12-04): Turbine/ Turboprop Engine: Reduction Gearbox. Issued Nov 1, 2011

## NTSB investigations

None matched to N591AS.

## FAA accident and incident reports

None matched to N591AS.

## Service difficulty reports

None filed for this aircraft. Reports filed since May 2, 2011, when the mark's previous registration was cancelled.

## Earlier aircraft with N591AS

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N591AS before.

- [Cancelled 2011-05-02](https://openairdocs.org/deregistered/N591AS-2011-05-02): Pdps Pzl-Bielsko SZD-59 ACRO, S/N B-2160, built 1995. Exported to Germany. Owner: [Rauen Raymond Bennett](https://openairdocs.org/faa-owner/RAUEN%20RAYMOND%20BENNETT), [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco)

## Related

- Other Jason Sapp EVOLUTION AIRCRAFT aircraft: https://openairdocs.org/model/jason-sapp-evolution-aircraft/aircraft.md
- STCs for the Jason Sapp EVOLUTION AIRCRAFT: https://openairdocs.org/model/jason-sapp-evolution-aircraft/stcs.md
- The Pratt & Whitney Canada PT6A-135A engine: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-135a.md

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