# N525NU: Nasa Langley Research Center PROTEUS, registration cancelled 2017-04-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 13, 2017
- Status when cancelled: Valid registration
- Airframe: [Nasa Langley Research Center PROTEUS](https://openairdocs.org/model/nasa-langley-research-center-proteus) (registry code 06101H2)
- Serial number: MARTI-1
- Type of aircraft: Rotorcraft
- Certificate issued: August 3, 2015
- Last registry action: August 3, 2015
- Mode S code: A69CC0
- Owner when cancelled: [Nasa Langley Research Center](https://openairdocs.org/faa-owner/NASA%20LANGLEY%20RESEARCH%20CENTER)
- Location: [Hampton, VA](https://openairdocs.org/faa-place/VA/Hampton)
- Owner type: Government
- Owner's area on the map: 37.0968° N, 76.3835° W: Placed by OpenAirDocs at the center of ZIP code 23681, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N525NU
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=525NU
- Page: https://openairdocs.org/deregistered/N525NU-2017-04-13

From the FAA registry file of November 5, 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 Nasa Langley Research Center PROTEUS: https://openairdocs.org/model/nasa-langley-research-center-proteus.md

## Other aircraft with N525NU

- [Cancelled 2025-09-25](https://openairdocs.org/deregistered/N525NU-2025-09-25): Uas USA TEMPEST, S/N 101017. Owner: [Nasa Langley Research Center](https://openairdocs.org/faa-owner/NASA%20LANGLEY%20RESEARCH%20CENTER), [Hampton, VA](https://openairdocs.org/faa-place/VA/Hampton)

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