- Manufacturer (registry)
- WITTENBERG JOHN J
- Model
- HELICYCLE
- Registry code
- 05617RF
- Registered
- 0 aircraft
- Type
- Rotorcraft
- Engines
- 1 · Reciprocating
- Seats
- 1
- Weight class
- Up to 12,499 lb
- Certification
- Not type certificated
Model codes come from the FAA registry’s reference file. ADs are matched to them by model name and maker.
On this page
Airworthiness directives that may apply · 0
ADs whose products match this airframe model. Each AD’s applicability may narrow it by serial number, part number or configuration.
No ADs matched this model
Registered aircraft · 0
No aircraft currently registered with this model
NTSB investigations
No NTSB investigations matched to aircraft with this modelMatched through the registry by N-number, so foreign aircraft and some older cases aren’t counted.
FAA incident reports
No reports matched to aircraft of this modelMatched through the registry by N-number, so foreign aircraft and some older reports aren’t counted.
Service difficulty reports
No reports name this modelGeneral aviation reporting is voluntary.
The same model under other registry codes
Amateur-built copies and renamed makers get their own codes.
Eagle R&D HELICYCLE2 registered aircraftHill Joseph J C HELICYCLE1 registered aircraftAshley Clayton HELICYCLE1 registered aircraftVon Koschier Angelo HELICYCLE1 registered aircraftSled Thomas HELICYCLE1 registered aircraftStevens Brian W HELICYCLE1 registered aircraftTurner Robert P HELICYCLE1 registered aircraftDarling Robert L HELICYCLE1 registered aircraftMurphy John R HELICYCLE1 registered aircraftGreen Horace C HELICYCLE1 registered aircraftZon Allen HELICYCLE1 registered aircraftWhistler Mark HELICYCLE1 registered aircraft
Query with SQL
duckdb -csv -c "SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'HELICYCLE' AND m.code NOT IN ('05617RF')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT m.code, m.manufacturer, m.model, count(g.n_number) AS aircraft
FROM 'https://openairdocs.org/data/latest/faa_aircraft_model.parquet' m LEFT JOIN 'https://openairdocs.org/data/latest/faa_aircraft_registration.parquet' g ON g.aircraft_model_code = m.code
WHERE m.match_key = 'HELICYCLE' AND m.code NOT IN ('05617RF')
GROUP BY ALL
ORDER BY aircraft DESC
LIMIT 12Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.