# Strojnik Alex S-4

- Type: Aircraft model (FAA registry)
- Registry code: 056121P
- Manufacturer (registry): STROJNIK ALEX
- Model: S-4
- Aircraft type: Fixed wing single engine
- Category: Airplane
- Engines: 1 · Reciprocating
- Seats: 1
- Weight class: Up to 12,499 lb
- Certification: Not type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/strojnik-alex-s-4

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

None matched to aircraft with this model.

## FAA accident and incident reports

None matched to aircraft with this model.

## The same model under other registry codes

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

- [Diehl William A S4](https://openairdocs.org/model/diehl-william-a-s4): 2 registered aircraft, registry code 05613XW
- [Rans S-4](https://openairdocs.org/model/rans-s-4): 2 registered aircraft, registry code 05903KW
- [Diehl William A S-4](https://openairdocs.org/model/diehl-william-a-s-4): 1 registered aircraft, registry code 05618K4
- [Mcallister Charles D S-4](https://openairdocs.org/model/mcallister-charles-d-s-4): 0 registered aircraft, registry code 05620E4
- [Olguin Eddie JR S4](https://openairdocs.org/model/olguin-eddie-jr-s4): 0 registered aircraft, registry code 05631ZA
- [Saunders Don R S-4](https://openairdocs.org/model/saunders-don-r-s-4): 0 registered aircraft, registry code 05655CM
- [Trusty-Rans S4](https://openairdocs.org/model/trusty-rans-s4): 0 registered aircraft, registry code 05902N2
- [Sevdy-Pitts S-4](https://openairdocs.org/model/sevdy-pitts-s-4): 0 registered aircraft, registry code 72202Y7

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