# N2047L: 1973 Aero Vodochody L-29C DELFIN

- Status: Valid registration
- Airframe: [Aero Vodochody L-29C DELFIN](https://openairdocs.org/model/aero-vodochody-l-29c-delfin) (registry code 05621PV, 2 seats)
- Engine: [Rolls-Royce VIPER MK60122](https://openairdocs.org/engine/rolls-royce-viper-mk60122) (registry code 54058)
- Data sheets: [TCDS E15EU](https://openairdocs.org/tcds/E15EU) (Rolls-Royce Deutschland Ltd & Co KG) (OpenAirDocs)
- Serial number: 395194
- Year built: 1973
- Type: Fixed wing single engine
- Engine type: Turbo-jet
- Airworthiness: Experimental, research and development
- Airworthiness date: November 17, 2025
- Certificate issued: August 11, 2020
- Expires: August 31, 2027
- Mode S code: A1A437
- Registered owner: [Riley Jacob](https://openairdocs.org/faa-owner/RILEY%20JACOB)
- Location: [New York, NY](https://openairdocs.org/faa-place/NY/New%20York)
- Owner type: Individual
- Owner's area on the map: 40.7657° N, 73.9851° W: Placed by OpenAirDocs at the center of ZIP code 10019, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2047L
- Page: https://openairdocs.org/aircraft/N2047L

From the FAA registry file of October 24, 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): 8 in force

### Matched by airframe (Aero Vodochody L-29C DELFIN)

None in force.

### Matched by engine (Rolls-Royce VIPER MK60122)

- [AD 2018-17-08](https://openairdocs.org/ad/2018-17-08): Compressor Section · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 521, Viper Mk. 522 and Viper Mk. 601-22. Effective Sep 25, 2018
- [AD 2018-09-07](https://openairdocs.org/ad/2018-09-07): Engine Oil System (Airframe Furnished) · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 601-22. Effective May 24, 2018
- [AD 2005-07-10](https://openairdocs.org/ad/2005-07-10): 1st stage turbine rotor blades · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 601-22. Effective May 5, 2005
- [AD 98-25-14](https://openairdocs.org/ad/98-25-14): Barometric Flow Control Unit · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 521, Viper Mk. 522, Viper Mk. 526 and 1 more. Effective Feb 12, 1999
- [AD 92-10-07](https://openairdocs.org/ad/92-10-07): High Pressure Compressor (HPC) Rotor Disks · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 521, Viper Mk. 522 and Viper Mk. 601-22. Effective Sep 21, 1992
- [AD 80-02-05](https://openairdocs.org/ad/80-02-05): Flexible Fuel Hose Assembly · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 601-22. Effective Jan 24, 1980
- [AD 77-13-20](https://openairdocs.org/ad/77-13-20): Fuel Shutoff Valve · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 522 and Viper Mk. 601-22. Effective Aug 1, 1977
- [AD 76-24-05](https://openairdocs.org/ad/76-24-05): Turbine Disc · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 601-22. Effective Dec 14, 1976

### Historical (superseded or no longer in force)

- [AD 2016-03-03](https://openairdocs.org/ad/2016-03-03) (historical): Life-limited parts · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 521, Viper Mk. 522 and Viper Mk. 601-22. Effective Apr 14, 2016
- [AD 2013-11-13](https://openairdocs.org/ad/2013-11-13) (historical): Reducing the life of certain critical parts · Rolls-Royce Limited, Bristol Engines Division Viper Mk. 601-22. Effective Jul 15, 2013
- [AD 2004-13-03](https://openairdocs.org/ad/2004-13-03) (historical): First Stage Turbine Rotor Blades · Viper Mk. 601-22. Effective Jul 7, 2004

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N2047L.

## FAA accident and incident reports

None matched to N2047L.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N2047L

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N2047L before.

- [Cancelled 2004-04-26](https://openairdocs.org/deregistered/N2047L-2004-04-26): Sikorsky S-76C, S/N 760539, built 2003. Exported to Brazil. Owner: [Sikorsky Aircraft Corp](https://openairdocs.org/faa-owner/SIKORSKY%20AIRCRAFT%20CORP), [Stratford, CT](https://openairdocs.org/faa-place/CT/Stratford)
- [Cancelled 1990-02-02](https://openairdocs.org/deregistered/N2047L-1990-02-02): Beech 58, S/N TH989. N-number assigned, not yet registered

## Related

- Other Aero Vodochody L-29C DELFIN aircraft: https://openairdocs.org/model/aero-vodochody-l-29c-delfin/aircraft.md
- The Rolls-Royce VIPER MK60122 engine: https://openairdocs.org/engine/rolls-royce-viper-mk60122.md

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