# N4921S: 1984 Maxwell David K MAX I, registration cancelled 2018-03-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 15, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Maxwell David K MAX I](https://openairdocs.org/model/maxwell-david-k-max-i) (registry code 05613BG)
- Engine: [Cuyuna ALL MDLS A/B](https://openairdocs.org/engine/cuyuna-all-mdls-a-b) (registry code 19050)
- Serial number: 55
- Year built: 1984
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 5, 1984
- Certificate issued: January 4, 2000
- Last registry action: November 18, 2013
- Mode S code: A61A12
- Owner when cancelled: [Anderson Nathan A](https://openairdocs.org/faa-owner/ANDERSON%20NATHAN%20A)
- Location: [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage)
- Owner type: Individual
- Owner's area on the map: 61.1903° N, 149.9391° W: Placed by OpenAirDocs at the center of ZIP code 99517, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4921S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4921S
- Page: https://openairdocs.org/deregistered/N4921S-2018-03-15

From the FAA registry file of November 4, 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 Maxwell David K MAX I: https://openairdocs.org/model/maxwell-david-k-max-i.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 ANC91DAG02](https://openairdocs.org/ntsb/ANC91DAG02), May 22, 1991: David K. Maxwell MAX-1 (N4921S), Sutton, AK, substantial damage. Probable cause: THE PILOT'S FAILURE IN MAINTAINING AIRSPEED AND NOT IDENTIFYING THE STALL DURING THE DESCENT FOR LANDING.

## Other aircraft with N4921S

- [Cancelled 1980-12-30](https://openairdocs.org/deregistered/N4921S-1980-12-30): Cessna R182, S/N R18201460. Exported to Dominican Republic. Owner: [Cavico Aircraft Sales Inc](https://openairdocs.org/faa-owner/CAVICO%20AIRCRAFT%20SALES%20INC), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale)

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