# N6121S: 1965 Air & Space America 18A, registration cancelled 2013-04-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 26, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Air & Space America 18A](https://openairdocs.org/model/air-space-america-18a) (registry code 0440104)
- Engine: [Lycoming 0-360-A1D](https://openairdocs.org/engine/lycoming-0-360-a1d) (registry code 41504)
- Data sheets: [TCDS 1H17](https://openairdocs.org/tcds/1H17), [TCDS E-286](https://openairdocs.org/tcds/E-286) (OpenAirDocs)
- Serial number: 1827
- Year built: 1965
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, research and development, showing compliance
- Airworthiness date: August 24, 1993
- Certificate issued: May 23, 2001
- Last registry action: July 17, 2007
- Mode S code: A7F8B8
- Owner when cancelled: [Kd Helicopters Inc](https://openairdocs.org/faa-owner/KD%20HELICOPTERS%20INC)
- Location: [Blairstown, NJ](https://openairdocs.org/faa-place/NJ/Blairstown)
- Owner type: Corporation
- Owner's area on the map: 40.9833° N, 74.9628° W: Placed by OpenAirDocs at the center of ZIP code 07825, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6121S
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6121S
- Page: https://openairdocs.org/deregistered/N6121S-2013-04-26

From the FAA registry file of November 4, 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 Air & Space America 18A: https://openairdocs.org/model/air-space-america-18a.md

## NTSB investigations (2)

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 NYC01LA196](https://openairdocs.org/ntsb/NYC01LA196), Jul 31, 2001: Air & Space 18A (N6121S), Blairstown, NJ, substantial damage. Probable cause: An encounter with ground resonance for undetermined reasons.
- [NTSB FTW75DPJ01](https://openairdocs.org/ntsb/FTW75DPJ01), Jul 24, 1974: Air & Space 18A (N6121S), Boise City, OK, substantial damage

## FAA accident and incident reports (2)

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 20010731019009A](https://openairdocs.org/incident/20010731019009A), Jul 31, 2001: N6121S, Blairstown, NJ, No damage. (.19) On July 31, 2001, at 1146 eastern daylight time, an experimental air & space america 18A gyrocopter, N6121S, was destroyed at Blairstown Airport while…
- [Accident 19740724023379A](https://openairdocs.org/incident/19740724023379A), Jul 24, 1974: Airspc 18AAIRSPC (N6121S), Boise City, OK, Substantial damage. Lnd in farm fld.

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