# N6DD: 1974 Danner PITTS SPEC. S1C, registration cancelled 2018-10-23

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 23, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Danner PITTS SPEC. S1C](https://openairdocs.org/model/danner-pitts-spec-s1c) (registry code 7220287)
- Engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515)
- Data sheets: [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 1DD
- Year built: 1974
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 13, 1991
- Certificate issued: May 1, 2012
- Last registry action: February 12, 2016
- Mode S code: A7C2DC
- Owner when cancelled: [Yankee Aviation LLC](https://openairdocs.org/faa-owner/YANKEE%20AVIATION%20LLC)
- Location: [Buffalo, WY](https://openairdocs.org/faa-place/WY/Buffalo)
- Owner type: Corporation
- Owner's area on the map: 44.2606° N, 106.7311° W: Placed by OpenAirDocs at the center of ZIP code 82834, within about 23 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6DD
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6DD
- Page: https://openairdocs.org/deregistered/N6DD-2018-10-23

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 Danner PITTS SPEC. S1C: https://openairdocs.org/model/danner-pitts-spec-s1c.md

## Service difficulty reports (1)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 2002FA0000810](https://openairdocs.org/sdr/2002FA0000810), Jun 18, 2002: SEAL. FAILED. PUSH ROD SHROUD SEAL FAILED, CAUSING OIL LEAK.

## NTSB investigations (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 FTW75DPD28](https://openairdocs.org/ntsb/FTW75DPD28), Feb 27, 1975: Pitts S-1S (N6DD), Ft.Worth, TX, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20020521009539I](https://openairdocs.org/incident/20020521009539I), May 21, 2002: Amtr S1C (N6DD), Irvine, CA. (-23) Experimental pitts S1C, registration N6DD, declared an emergency due to an oil leak and made a precautionary landing at former mcas el toro, Irvine, CA.…

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