# N306S: 1991 Cadby Ronald B RONS RANS 9

- Status: Valid registration
- Airframe: [Cadby Ronald B RONS RANS 9](https://openairdocs.org/model/cadby-ronald-b-rons-rans-9) (registry code 05612ZM, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 0488051
- Year built: 1991
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 12, 1991
- Certificate issued: February 21, 2012
- Expires: February 29, 2028
- Mode S code: A3372C
- Registered owner: [Davis James M](https://openairdocs.org/faa-owner/DAVIS%20JAMES%20M)
- Location: [Tuscaloosa, AL](https://openairdocs.org/faa-place/AL/Tuscaloosa)
- Owner type: Individual
- Owner's area on the map: 33.2152° N, 87.4834° W: Placed by OpenAirDocs at the center of ZIP code 35404, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=306S
- Page: https://openairdocs.org/aircraft/N306S

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.

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

### Matched by airframe (Cadby Ronald B RONS RANS 9)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N306S.

## FAA accident and incident reports

None matched to N306S.

## 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.

## Service difficulty reports on N306S not matched to an aircraft (1)

They name N306S, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR 2022FA0000758](https://openairdocs.org/sdr/2022FA0000758), Dec 12, 2022: CONNECTOR. DISCONNECTED. EPL ROW 31ABC-33ABC INOP. IAW FIM 33-51-00-810-815. CONNECTED PLUG AND RESTORED POWER TO INOP EPL ROW 31ABC-33ABC

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N306S

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N306S before.

- [Cancelled 1975-05-23](https://openairdocs.org/deregistered/N306S-1975-05-23): Douglas C-47D, S/N 4349525. Owner: [Southern Illinois University](https://openairdocs.org/faa-owner/SOUTHERN%20ILLINOIS%20UNIVERSITY), [Carbondale, IL](https://openairdocs.org/faa-place/IL/Carbondale)

## Related

- Other Cadby Ronald B RONS RANS 9 aircraft: https://openairdocs.org/model/cadby-ronald-b-rons-rans-9/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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