# N8511Z: 2003 Osborne Danny L GEMINI TWIN

- Status: Valid registration
- Airframe: [Osborne Danny L GEMINI TWIN](https://openairdocs.org/model/osborne-danny-l-gemini-twin) (registry code 05902DK, 2 seats)
- Engine: [Rotax 582DCDI](https://openairdocs.org/engine/rotax-582dcdi) (registry code 55562)
- Serial number: 0057
- Year built: 2003
- Type: Powered parachute
- Engine type: 2 cycle
- Airworthiness: Experimental, registered before 01/31/08
- Airworthiness date: July 3, 2007
- Certificate issued: April 11, 2007
- Expires: January 31, 2030
- Mode S code: ABADA2
- Registered owner: [Osborne Danny L](https://openairdocs.org/faa-owner/OSBORNE%20DANNY%20L)
- Location: [Lawton, OK](https://openairdocs.org/faa-place/OK/Lawton)
- Owner type: Individual
- Owner's area on the map: 34.5579° N, 98.2910° W: Placed by OpenAirDocs at the center of ZIP code 73501, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8511Z
- Page: https://openairdocs.org/aircraft/N8511Z

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 (Osborne Danny L GEMINI TWIN)

None in force.

### Matched by engine (Rotax 582DCDI)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N8511Z.

## NTSB investigations on N8511Z 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 NYC86FA127](https://openairdocs.org/ntsb/NYC86FA127), May 10, 1986: Robinson R-22A (N8511Z), East Fishkill, NY, destroyed, 1 fatal. Probable cause: A LOSS OF CONTROL IN FLIGHT FOR UNDETERMINED REASONS.

## FAA accident and incident reports

None matched to N8511Z.

## Reports on N8511Z not matched to an aircraft (1)

They name N8511Z, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [Accident 19860510016659A](https://openairdocs.org/incident/19860510016659A), May 10, 1986: Robsin R22 (N8511Z), East Fishkill, NY, Destroyed, 1 fatal. On climbout was advised cowl door open. Ignored. Broke up inflight. Main rotors chopped tailboom. Cause unknown.

## 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.

## Earlier aircraft with N8511Z

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N8511Z before.

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N8511Z-undated): Robinson Helicopter R22 ALPHA, S/N 0415. Triennial form not returned

## Related

- Other Osborne Danny L GEMINI TWIN aircraft: https://openairdocs.org/model/osborne-danny-l-gemini-twin/aircraft.md
- The Rotax 582DCDI engine: https://openairdocs.org/engine/rotax-582dcdi.md

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