# John Robert Sapp BERKUT 540

- Type: Aircraft model (FAA registry)
- Registry code: 0564071
- Manufacturer (registry): JOHN ROBERT SAPP
- Model: BERKUT 540
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 2
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 1
- Page: https://openairdocs.org/model/john-robert-sapp-berkut-540

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 (1)

- [N567JS](https://openairdocs.org/aircraft/N567JS): [Pisini Vijay](https://openairdocs.org/faa-owner/PISINI%20VIJAY), [Cedar Rapids, IA](https://openairdocs.org/faa-place/IA/Cedar%20Rapids), built 2023, S/N 021

## 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 CEN23LA273](https://openairdocs.org/ntsb/CEN23LA273), Jul 1, 2023: Berkut 540 (N567JS), Cedar Rapids, IA, substantial damage. Probable cause: A partial loss of engine power during the test flight due to multiple ignition system anomalies.

## 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 20230701009649A](https://openairdocs.org/incident/20230701009649A), Jul 1, 2023: John Robert Sapp BERKUT 540 (N567JS), Cedar Rapids, IA, Substantial damage. After reaching 3400 ft. pilot noticed aircraft descending due to insufficient engine power. Pilot reported activation of fuel pump caused engine shut-down.…

## The same model under other registry codes

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

- [Kasyan Michael BERKUT 540](https://openairdocs.org/model/kasyan-michael-berkut-540): 1 registered aircraft, registry code 05603LF
- [Salamati Mehran BERKUT 540](https://openairdocs.org/model/salamati-mehran-berkut-540): 1 registered aircraft, registry code 05605ME
- [Nordic Compsts/Renaissance Com BERKUT 540](https://openairdocs.org/model/nordic-compsts-renaissance-com-berkut-540): 1 registered aircraft, registry code 05610JY
- [Andrzejewski John A BERKUT 540](https://openairdocs.org/model/andrzejewski-john-a-berkut-540): 1 registered aircraft, registry code 05619Z7
- [Christian Bailey BERKUT 540](https://openairdocs.org/model/christian-bailey-berkut-540): 1 registered aircraft, registry code 0563343
- [Zweifel Alan BERKUT 540](https://openairdocs.org/model/zweifel-alan-berkut-540): 0 registered aircraft, registry code 05605AP
- [Malkasian David G BERKUT 540](https://openairdocs.org/model/malkasian-david-g-berkut-540): 0 registered aircraft, registry code 05610CE

---
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.
