# Delackner Helicopters DH4

- Type: Aircraft model (FAA registry)
- Registry code: 2850202
- Manufacturer (registry): DELACKNER HELICOPTERS
- Model: DH4
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 1
- Weight class: Up to 12,499 lb
- Cruise speed: 27 mph
- Certification: Type certificated
- Registered aircraft: 0
- Page: https://openairdocs.org/model/delackner-helicopters-dh4

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.

- [Century DH-4](https://openairdocs.org/model/century-dh-4): 2 registered aircraft, registry code 05630NT
- [U S Post Office Dept DH-4](https://openairdocs.org/model/u-s-post-office-dept-dh-4): 0 registered aircraft, registry code 056373R
- [Dayton-Wright DH-4](https://openairdocs.org/model/dayton-wright-dh-4): 0 registered aircraft, registry code 2801921
- [Dehavilland DH-4](https://openairdocs.org/model/dehavilland-dh-4): 0 registered aircraft, registry code 2801923
- [Fisher Body Works DH-4](https://openairdocs.org/model/fisher-body-works-dh-4): 0 registered aircraft, registry code 2801925

---
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.