# N991TC: 2017 Autogyro USA CALIDUS, registration cancelled 2017-08-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 17, 2017
- Status when cancelled: Valid registration
- Airframe: [Autogyro USA CALIDUS](https://openairdocs.org/model/autogyro-usa-calidus) (registry code 1200700)
- Engine: [Rotax 914UL](https://openairdocs.org/engine/rotax-914ul) (registry code 55553)
- Data sheets: [TCDS R00006RD](https://openairdocs.org/tcds/R00006RD) (OpenAirDocs)
- Serial number: US-C00483
- Year built: 2017
- Type of aircraft: Rotorcraft
- Engine type: 4 cycle
- Airworthiness: Primary
- Airworthiness date: March 30, 2017
- Certificate issued: March 7, 2017
- Last registry action: March 7, 2017
- Mode S code: ADD806
- Owner when cancelled: [Autogyro USA Inc](https://openairdocs.org/faa-owner/AUTOGYRO%20USA%20INC)
- Location: [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington)
- Owner type: Corporation
- Owner's area on the map: 39.7376° N, 75.6671° W: Placed by OpenAirDocs at the center of ZIP code 19808, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N991TC
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=991TC
- Page: https://openairdocs.org/deregistered/N991TC-2017-08-17

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 Autogyro USA CALIDUS: https://openairdocs.org/model/autogyro-usa-calidus.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 GAA17CA258](https://openairdocs.org/ntsb/GAA17CA258), May 4, 2017: Autogyro Calidus (N991TC), Stevensville, MD, substantial damage. Probable cause: The pilot’s improper takeoff procedure, which resulted in a loss of directional control during the takeoff.

## 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 20170504006819A](https://openairdocs.org/incident/20170504006819A), May 4, 2017: Autogyro USA LLC. AX7-77 (N991TC), Stevenville, MD, Substantial damage. Pilot was on takeoff roll at W29, lost control of aircraft, ran off runway, causing major damage to aircraft. Winds 110 @ 16 KTS gusting clear

## Other aircraft with N991TC

- [Registered now](https://openairdocs.org/aircraft/N991TC): Autogyro USA CALIDUS, S/N C00335, built 2017
- [Cancelled 2011-08-01](https://openairdocs.org/deregistered/N991TC-2011-08-01): Thunder Balloons AX7-77, S/N 1464US, built 1989. Expired dealer. Owner: [Para Balloon Assoc Inc](https://openairdocs.org/faa-owner/PARA%20BALLOON%20ASSOC%20INC), [St Louis, MO](https://openairdocs.org/faa-place/MO/St%20Louis)

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