# N23405: 1975 Concept Sailplanes CONCEPT-70, registration cancelled 2013-04-15

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 15, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Concept Sailplanes CONCEPT-70](https://openairdocs.org/model/concept-sailplanes-concept-70) (registry code 0564770)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Serial number: 01
- Year built: 1975
- Type of aircraft: Glider
- Engine type: None
- Airworthiness: Experimental, racing, exhibition
- Airworthiness date: May 1, 1979
- Certificate issued: October 22, 1980
- Last registry action: September 24, 1983
- Mode S code: A219D2
- Owner when cancelled: [Coe A D](https://openairdocs.org/faa-owner/COE%20A%20D)
- Location: [Reno, NV](https://openairdocs.org/faa-place/NV/Reno)
- Owner type: Individual
- Owner's area on the map: 39.6988° N, 119.8263° W: Placed by OpenAirDocs at the center of ZIP code 89506, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N23405
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=23405
- Page: https://openairdocs.org/deregistered/N23405-2013-04-15

From the FAA registry file of November 3, 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 Concept Sailplanes CONCEPT-70: https://openairdocs.org/model/concept-sailplanes-concept-70.md

## 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 DEN87FA153](https://openairdocs.org/ntsb/DEN87FA153), Jun 17, 1987: Concept 70 (N23405), Durango, CO, 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.

- [Accident 19870617072969A](https://openairdocs.org/incident/19870617072969A), Jun 17, 1987: Amtrbs CONCEPT70 (N23405), Durango, CO, Destroyed. Inflight breakup during a loop. Exceeded the g load. Glider out of annual and non acrobatic. Pilot bailed out.

## Other aircraft with N23405

- [Cancelled 1971-12-16](https://openairdocs.org/deregistered/N23405-1971-12-16): Cessna 150H, S/N 15068933, built 1968. Owner: [Maticic William](https://openairdocs.org/faa-owner/MATICIC%20WILLIAM), [Manville, NJ](https://openairdocs.org/faa-place/NJ/Manville)
- [Cancelled 1955-03-18](https://openairdocs.org/deregistered/N23405-1955-03-18): Piper J3L-65, S/N 3133, built 1939. Owner: [Watson Floyd](https://openairdocs.org/faa-owner/WATSON%20FLOYD), [Watertown, NY](https://openairdocs.org/faa-place/NY/Watertown)

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