# N31158: 1977 Stone-Koppe RAND KR-2, registration cancelled 2019-03-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 2, 2019
- Status when cancelled: Revoked, pending cancellation
- Airframe: [Stone-Koppe RAND KR-2](https://openairdocs.org/model/stone-koppe-rand-kr-2) (registry code 0564894)
- Engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501)
- Serial number: 6141-3
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Certificate issued: January 8, 1976
- Last registry action: February 19, 1977
- Mode S code: A34DB0
- Owners when cancelled: [Stone Robert L](https://openairdocs.org/faa-owner/STONE%20ROBERT%20L), [Koppe Ernest E](https://openairdocs.org/faa-owner/KOPPE%20ERNEST%20E)
- Location: [Huntington Beach, CA](https://openairdocs.org/faa-place/CA/Huntington%20Beach)
- Owner type: Co-owned
- Owner's area on the map: 33.7232° N, 118.0087° W: Placed by OpenAirDocs at the center of ZIP code 92647, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N31158
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=31158
- Page: https://openairdocs.org/deregistered/N31158-2019-03-02

From the FAA registry file of November 7, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Stone-Koppe RAND KR-2: https://openairdocs.org/model/stone-koppe-rand-kr-2.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB LAX78FUG25](https://openairdocs.org/ntsb/LAX78FUG25), May 11, 1978: Rand KR2 (N31158), Corona, CA, destroyed

## Other aircraft with N31158

- [Cancelled 1961-07-14](https://openairdocs.org/deregistered/N31158-1961-07-14): Piper J3L-65, S/N 5373, built 1940. Owner: [Assateague Aero Club Inc](https://openairdocs.org/faa-owner/ASSATEAGUE%20AERO%20CLUB%20INC), [Berlin, MD](https://openairdocs.org/faa-place/MD/Berlin)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.