# N3998K: Knott Gilbert L SWALLOW B2, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: Triennial form not returned
- Airframe: [Knott Gilbert L SWALLOW B2](https://openairdocs.org/model/knott-gilbert-l-swallow-b2) (registry code 056756P)
- Serial number: 02830682
- Type of aircraft: Fixed wing single engine
- Mode S code: A4A7B2
- The mark today: https://openairdocs.org/aircraft/N3998K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=3998K
- Page: https://openairdocs.org/deregistered/N3998K-undated

From the FAA registry file of October 31, 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 Knott Gilbert L SWALLOW B2: https://openairdocs.org/model/knott-gilbert-l-swallow-b2.md

## Other aircraft with N3998K

- [Cancelled 2018-03-23](https://openairdocs.org/deregistered/N3998K-2018-03-23): Cameron Balloons US V-90, S/N 5694, built 1991. Registration expired, pending cancellation. Owner: [Ritchie Martin K](https://openairdocs.org/faa-owner/RITCHIE%20MARTIN%20K), [Milan, MI](https://openairdocs.org/faa-place/MI/Milan)
- [Cancelled 1971-05-10](https://openairdocs.org/deregistered/N3998K-1971-05-10): Piper PA-28-140, S/N 28-23891. Exported to New Zealand. Owner: [Aviation Center Inc](https://openairdocs.org/faa-owner/AVIATION%20CENTER%20INC), [San Jose, CA](https://openairdocs.org/faa-place/CA/San%20Jose)

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