# Robert Snyder AUTOGYRO CALIDUS

- Type: Aircraft model (FAA registry)
- Registry code: 056335A
- Manufacturer (registry): ROBERT SNYDER
- Model: AUTOGYRO CALIDUS
- Aircraft type: Gyroplane
- Category: Rotorcraft
- Engines: 1 · 4 cycle
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/robert-snyder-autogyro-calidus

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 ERA18LA095](https://openairdocs.org/ntsb/ERA18LA095), Mar 5, 2018: Robert Snyder Autogyro Calidus (N221YT), Beaufort, SC, substantial damage, 1 fatal. Probable cause: The gyroplane pilot's failure to maintain rotor speed and aircraft control as he was attempting to return to the runway during a low-altitude simulated engine-out maneuver.

## 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 20180305001459A](https://openairdocs.org/incident/20180305001459A), Mar 5, 2018: 2015 Robert Snyder AUTOGYRO CALIDUS (N221YT), Beaufort, SC, Destroyed, 1 fatal. On March 5, 2018, about 0935 eastern standard time, an experimental, amateur-built Autogyro Calidus gyroplane, N221YT, was substantially damaged when it…

## The same model under other registry codes

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

- [Larry G Korzdorfer AUTOGYRO CALIDUS](https://openairdocs.org/model/larry-g-korzdorfer-autogyro-calidus): 1 registered aircraft, registry code 0563186
- [Norm Kolb AUTOGYRO CALIDUS](https://openairdocs.org/model/norm-kolb-autogyro-calidus): 1 registered aircraft, registry code 05632GC
- [Nathan Oldham AUTOGYRO CALIDUS](https://openairdocs.org/model/nathan-oldham-autogyro-calidus): 1 registered aircraft, registry code 05632JL
- [Daniel Zelazo AUTOGYRO CALIDUS](https://openairdocs.org/model/daniel-zelazo-autogyro-calidus): 1 registered aircraft, registry code 05633UB
- [Patrick B Pollock AUTOGYRO-CALIDUS](https://openairdocs.org/model/patrick-b-pollock-autogyro-calidus): 1 registered aircraft, registry code 05634DA
- [Erik A Walter AUTOGYRO CALIDUS](https://openairdocs.org/model/erik-a-walter-autogyro-calidus): 0 registered aircraft, registry code 05632XO

---
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.