# N42KM: 1988 Mcdermott Kenneth S RV-4, registration cancelled 2018-01-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 19, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Mcdermott Kenneth S RV-4](https://openairdocs.org/model/mcdermott-kenneth-s-rv-4) (registry code 056088H)
- Engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508)
- Data sheets: [TCDS E-274](https://openairdocs.org/tcds/E-274) (OpenAirDocs)
- Serial number: 628
- Year built: 1988
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, research and development, amateur built
- Airworthiness date: March 4, 1994
- Certificate issued: February 2, 1988
- Last registry action: April 21, 2009
- Mode S code: A4FA33
- Owner when cancelled: [Mcdermott Kenneth S](https://openairdocs.org/faa-owner/MCDERMOTT%20KENNETH%20S)
- Location: [Rohnert Park, CA](https://openairdocs.org/faa-place/CA/Rohnert%20Park)
- Owner type: Individual
- Owner's area on the map: 38.3459° N, 122.6935° W: Placed by OpenAirDocs at the center of ZIP code 94928, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N42KM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=42KM
- Page: https://openairdocs.org/deregistered/N42KM-2018-01-19

From the FAA registry file of October 29, 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 Mcdermott Kenneth S RV-4: https://openairdocs.org/model/mcdermott-kenneth-s-rv-4.md

## Other aircraft with N42KM

- [Registered now](https://openairdocs.org/aircraft/N42KM): Agustawestland Philadelphia AW119MKII, S/N 14786, built 2012

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