# N8257: 1974 Korloch HP-14

- Status: Valid registration
- Airframe: [Korloch HP-14](https://openairdocs.org/model/korloch-hp-14) (registry code 0564704, 1 seats)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 78
- Year built: 1974
- Type: Glider
- Engine type: None
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 2, 1982
- Certificate issued: November 27, 2018
- Expires: November 30, 2028
- Mode S code: AB46BB
- Registered owner: [Dupre Sam](https://openairdocs.org/faa-owner/DUPRE%20SAM)
- Location: [Peyton, CO](https://openairdocs.org/faa-place/CO/Peyton)
- Owner type: Individual
- Owner's area on the map: 38.9811° N, 104.4999° W: Placed by OpenAirDocs at the center of ZIP code 80831, within about 8 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8257
- Page: https://openairdocs.org/aircraft/N8257

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): 0 in force

### Matched by airframe (Korloch HP-14)

None in force.

### Matched by engine (NONE)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N8257.

## FAA accident and incident reports

None matched to N8257.

## 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 N8257 not matched to an aircraft (1)

They name N8257, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR A6YA2014052831822](https://openairdocs.org/sdr/A6YA2014052831822), May 23, 2014: LIFTER. SPALLED. AFTER REMOVAL OF ALL CYLINDERS DUE TO TOP PISTON RING PLATING FLAKING, SDR A6YA2010052738221, ALL LIFTERS WERE REMOVED & INSPECTED IAW SID 05-1A. NR 2 & NR 5 EX

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Korloch HP-14 aircraft: https://openairdocs.org/model/korloch-hp-14/aircraft.md
- The NONE engine: https://openairdocs.org/engine/none.md

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