# N415MB: Abbott John R CH2CW

- Status: Valid registration
- Airframe: [Abbott John R CH2CW](https://openairdocs.org/model/abbott-john-r-ch2cw) (registry code 05603UL, 2 seats)
- Engine: [Rotax 503DC](https://openairdocs.org/engine/rotax-503dc) (registry code 55582)
- Serial number: 1333
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: October 1, 1996
- Certificate issued: April 23, 2026
- Expires: April 30, 2033
- Mode S code: A4E7C8
- Registered owner: [Karstedt David B](https://openairdocs.org/faa-owner/KARSTEDT%20DAVID%20B)
- Location: [Tampa, FL](https://openairdocs.org/faa-place/FL/Tampa)
- Owner type: Individual
- Owner's area on the map: 27.8913° N, 82.5057° W: Placed by OpenAirDocs at the center of ZIP code 33611, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=415MB
- Page: https://openairdocs.org/aircraft/N415MB

From the FAA registry file of October 22, 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 (Abbott John R CH2CW)

None in force.

### Matched by engine (Rotax 503DC)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N415MB.

## FAA accident and incident reports

None matched to N415MB.

## 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 Abbott John R CH2CW aircraft: https://openairdocs.org/model/abbott-john-r-ch2cw/aircraft.md
- The Rotax 503DC engine: https://openairdocs.org/engine/rotax-503dc.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
