# N5596V: 2005 Rathbun Robert M KOLB MARK II

- Status: Valid registration
- Airframe: [Rathbun Robert M KOLB MARK II](https://openairdocs.org/model/rathbun-robert-m-kolb-mark-ii) (registry code 05903ZG, 2 seats)
- Engine: [Rotax 503 DCDI](https://openairdocs.org/engine/rotax-503-dcdi) (registry code 55566)
- Serial number: 001
- Year built: 2005
- Type: Fixed wing single engine
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: January 4, 2008
- Certificate issued: March 20, 2023
- Expires: March 31, 2030
- Mode S code: A72418
- Registered owner: [Necker Brad G](https://openairdocs.org/faa-owner/NECKER%20BRAD%20G)
- Location: [Manchester, IA](https://openairdocs.org/faa-place/IA/Manchester)
- Owner type: Individual
- Owner's area on the map: 42.4909° N, 91.4532° W: Placed by OpenAirDocs at the center of ZIP code 52057, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5596V
- Page: https://openairdocs.org/aircraft/N5596V

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 (Rathbun Robert M KOLB MARK II)

None in force.

### Matched by engine (Rotax 503 DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N5596V.

## NTSB investigations on N5596V not matched to an aircraft (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 FTW71DPA30](https://openairdocs.org/ntsb/FTW71DPA30), May 23, 1971: Lockheed P-38 (N5596V), Paris, TX, substantial damage

## FAA accident and incident reports

None matched to N5596V.

## Reports on N5596V not matched to an aircraft (1)

They name N5596V, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Incident 19920831034169I](https://openairdocs.org/incident/19920831034169I), Aug 31, 1992: Lkheed P38L (N5596V), Winslow, AZ, Minor damage. Hydraulic pressure dropped to zero. Unable to fully extend gear. Landed gear up in field.

## 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 Rathbun Robert M KOLB MARK II aircraft: https://openairdocs.org/model/rathbun-robert-m-kolb-mark-ii/aircraft.md
- The Rotax 503 DCDI engine: https://openairdocs.org/engine/rotax-503-dcdi.md

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