# Concept Sailplanes CONCEPT-70

- Type: Aircraft model (FAA registry)
- Registry code: 0564770
- Manufacturer (registry): CONCEPT SAILPLANES INC.
- Model: CONCEPT-70
- Aircraft type: Glider
- Category: Glider
- Engines: None
- Seats: 1
- Weight class: Up to 12,499 lb
- Cruise speed: 60 mph
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/concept-sailplanes-concept-70

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

None matched.

## Registered aircraft

None registered with this model now.

## 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.

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Berkshire Mfg. CONCEPT 70](https://openairdocs.org/model/berkshire-mfg-concept-70): 7 registered aircraft, registry code 1240104
- [Clayton CONCEPT 70](https://openairdocs.org/model/clayton-concept-70): 1 registered aircraft, registry code 05647W4
- [Mclaughlin CONCEPT-70](https://openairdocs.org/model/mclaughlin-concept-70): 0 registered aircraft, registry code 0564781

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