# N921DB: 2022 Burden David S-21 OUTBOUND

- Status: Valid registration
- Airframe: [Burden David S-21 OUTBOUND](https://openairdocs.org/model/burden-david-s-21-outbound) (registry code 056400V, 2 seats)
- Engine: [Continental IOX340 series](https://openairdocs.org/engine/continental-iox340-series) (registry code 17490)
- Serial number: 06200112
- Year built: 2022
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Rans Designs Inc S-21 OUTBOUND
- Airworthiness: Experimental, amateur built
- Airworthiness date: June 16, 2022
- Certificate issued: May 6, 2022
- Expires: May 31, 2029
- Mode S code: ACC22E
- Owner type: Individual
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=921DB
- Page: https://openairdocs.org/aircraft/N921DB

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination. The registry lists only the engine series, so ADs for every Continental IOX340 model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Burden David S-21 OUTBOUND)

None in force.

### Matched by engine (Continental IOX340 series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N921DB.

## FAA accident and incident reports

None matched to N921DB.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Burden David S-21 OUTBOUND aircraft: https://openairdocs.org/model/burden-david-s-21-outbound/aircraft.md
- The Continental IOX340 series engine: https://openairdocs.org/engine/continental-iox340-series.md

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