# Vertol H21B

- Type: Aircraft model (FAA registry)
- Registry code: 9420106
- Manufacturer (registry): VERTOL
- Model: H21B
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Reciprocating
- Seats: 21
- Weight class: 12,500 to 19,999 lb
- Cruise speed: 76 mph
- Certification: Type certificated
- Registered aircraft: 2
- Page: https://openairdocs.org/model/vertol-h21b

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 (2)

- [N64606](https://openairdocs.org/aircraft/N64606): [Classic Rotors Museum](https://openairdocs.org/faa-owner/CLASSIC%20ROTORS%20MUSEUM), [Ramona, CA](https://openairdocs.org/faa-place/CA/Ramona), S/N 54-4001
- [N6797](https://openairdocs.org/aircraft/N6797): [Museum Of Flight Foundation](https://openairdocs.org/faa-owner/MUSEUM%20OF%20FLIGHT%20FOUNDATION), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 1953, S/N 53-4366

## 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 CHI80DEP20](https://openairdocs.org/ntsb/CHI80DEP20), Mar 21, 1980: Vertol 42A (N96244), Neosho, WI, substantial damage

## 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 19800321007349A](https://openairdocs.org/incident/19800321007349A), Mar 21, 1980: Boeing H21BVERTOL (N96244), Neosho, WI, Substantial damage. Tried to lift load over weight limits. Unable to release line. Helicopter dragged dwon by excess weight.

---
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.