# N9DU: 1992 Underhill David L RANS S-9, registration cancelled 2013-07-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 29, 2013
- Status when cancelled: Sale reported, canceled
- Airframe: [Underhill David L RANS S-9](https://openairdocs.org/model/underhill-david-l-rans-s-9) (registry code 05618DF)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 0489071
- Year built: 1992
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 21, 1992
- Last registry action: November 22, 2005
- Mode S code: AC6AD8
- Location: [Erhard, MN](https://openairdocs.org/faa-place/MN/Erhard)
- Owner type: Individual
- Owner's area on the map: 46.4716° N, 96.0114° W: Placed by OpenAirDocs at the center of ZIP code 56534, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9DU
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9DU
- Page: https://openairdocs.org/deregistered/N9DU-2013-07-29

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Underhill David L RANS S-9: https://openairdocs.org/model/underhill-david-l-rans-s-9.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.