# N21US: 1971 Piccard AX-6, registration cancelled 2012-10-16

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 16, 2012
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Piccard AX-6](https://openairdocs.org/model/piccard-ax-6) (registry code 7001218)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS A18WE](https://openairdocs.org/tcds/A18WE) (OpenAirDocs)
- Serial number: 621
- Year built: 1971
- Type of aircraft: Balloon
- Airworthiness: Standard, balloon
- Airworthiness date: April 1, 1971
- Certificate issued: August 24, 1984
- Last registry action: July 31, 1996
- Mode S code: A1B8FC
- Owner when cancelled: [Colver Matthew R](https://openairdocs.org/faa-owner/COLVER%20MATTHEW%20R)
- Location: [Riverside, CA](https://openairdocs.org/faa-place/CA/Riverside)
- Owner type: Individual
- Owner's area on the map: 33.9975° N, 117.4408° W: Placed by OpenAirDocs at the center of ZIP code 92509, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21US
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21US
- Page: https://openairdocs.org/deregistered/N21US-2012-10-16

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 Piccard AX-6: https://openairdocs.org/model/piccard-ax-6.md

## Other aircraft with N21US

- [Registered now](https://openairdocs.org/aircraft/N21US): Rans Designs S-21LS OUTBOUND, S/N 12190077, built 2020

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