# N661DR: 2017 Whittlesey David/Halvorsen Ric ZODIAC 601XL

- Status: Valid registration
- Airframe: [Whittlesey David/Halvorsen Ric ZODIAC 601XL](https://openairdocs.org/model/whittlesey-david-halvorsen-ric-zodiac-601xl) (registry code 05635MZ, 2 seats)
- Engine: [Corvair 110HP](https://openairdocs.org/engine/corvair-110hp) (registry code 18003)
- Serial number: 6-6238
- Year built: 2017
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Kit: Zenith Aircraft Co ZODIAC 601 XL
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 15, 2017
- Certificate issued: November 30, 2016
- Expires: November 30, 2029
- Mode S code: A8B84B
- Registered owners: [Whittlesey David P](https://openairdocs.org/faa-owner/WHITTLESEY%20DAVID%20P), [Halvorsen Ricky J](https://openairdocs.org/faa-owner/HALVORSEN%20RICKY%20J)
- Location: [Woodburn, IA](https://openairdocs.org/faa-place/IA/Woodburn)
- Owner type: Co-owned
- Owner's area on the map: 41.0437° N, 93.5885° W: Placed by OpenAirDocs at the center of ZIP code 50275, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=661DR
- Page: https://openairdocs.org/aircraft/N661DR

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 (Whittlesey David/Halvorsen Ric ZODIAC 601XL)

None in force.

### Matched by engine (Corvair 110HP)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N661DR.

## FAA accident and incident reports

None matched to N661DR.

## 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 Whittlesey David/Halvorsen Ric ZODIAC 601XL aircraft: https://openairdocs.org/model/whittlesey-david-halvorsen-ric-zodiac-601xl/aircraft.md
- The Corvair 110HP engine: https://openairdocs.org/engine/corvair-110hp.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.