# N31DP: 2021 David Thomas Porter VANS ACFT RV-4

- Status: Valid registration
- Airframe: [David Thomas Porter VANS ACFT RV-4](https://openairdocs.org/model/david-thomas-porter-vans-acft-rv-4) (registry code 05639TX, 2 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 2120
- Year built: 2021
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Vans Aircraft Inc RV-4
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 29, 2021
- Certificate issued: August 6, 2022
- Expires: August 31, 2029
- Mode S code: A344D1
- Registered owner: [Hughes Craig K](https://openairdocs.org/faa-owner/HUGHES%20CRAIG%20K)
- Location: [Louisville, KY](https://openairdocs.org/faa-place/KY/Louisville)
- Owner type: Individual
- Owner's area on the map: 38.2567° N, 85.7023° W: Placed by OpenAirDocs at the center of ZIP code 40206, 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=31DP
- Page: https://openairdocs.org/aircraft/N31DP

From the FAA registry file of October 22, 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): 0 in force

### Matched by airframe (David Thomas Porter VANS ACFT RV-4)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N31DP.

## FAA accident and incident reports

None matched to N31DP.

## 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.

## Service difficulty reports on N31DP not matched to an aircraft (4)

They name N31DP, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR CER2002F00000](https://openairdocs.org/sdr/CER2002F00000), Sep 16, 2002: GASKET. CRACKED. BLEED AIR GASKET CRACKED AFTER 25 HOURS INSTALLED. FOUND GASKET TO BE EXCESSIVELY BRITTLE. AGE OF GASKET OR INSTALL UNKNOWN.
- [SDR R7M015934349](https://openairdocs.org/sdr/R7M015934349), Sep 16, 2002: MOUNT. BROKEN. MAGNETOMETER MOUNTS (ELASTOMERIC) BROKEN WHICH MAY HAVE CAUSED BAD DATA TO BE SENT TO THE PRIMARY FLIGHT GENERATOR WHICH CAUSED A MISALIGNMENT WITH NUMBER TWO A
- [SDR 20010111CW005](https://openairdocs.org/sdr/20010111CW005), Dec 28, 2000: WHEEL. FAILED. WHEEL ASSY FAILED, SNOW CVD RNWY, MAX WT. AC TRVLD .5 MI AFTER FULL BRK BEFORE FAILURE.2ND WHL TO FAIL FRM OVHL BATCH. OUTER RIM TIRE BEADING AREA, EXTNDS LWR I
- [SDR 20001016SH011](https://openairdocs.org/sdr/20001016SH011), Sep 18, 2000: WHEEL. FAILED. THIS PART WAS JUST OUT OF OVERHAUL. IT WAS THE FIRST LANDING AFTER INSTALLATION. THE WHEEL HALF FAILED AT BEAD HALF AND ABOUT ONE-THIRD OF THE WHEEL HALF BROKE 

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other David Thomas Porter VANS ACFT RV-4 aircraft: https://openairdocs.org/model/david-thomas-porter-vans-acft-rv-4/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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