---
title: "Aircraft N421LL — CESSNA 421C — Ownership Dossier"
canonical: https://whiteintel.dev/entity/78a09efa-dfd7-51e6-895e-d69db8190e6e
json: https://whiteintel.dev/api/public/dossier/78a09efa-dfd7-51e6-895e-d69db8190e6e
identifier: faa:N421LL
jurisdiction: US
risk: Low
source: WhiteIntel corporate-ownership graph
---

# Aircraft N421LL — CESSNA 421C

**Type:** Asset  
**Jurisdiction:** US  
**Identifier:** `faa:N421LL`  
**Risk level:** Low  
**Canonical dossier:** https://whiteintel.dev/entity/78a09efa-dfd7-51e6-895e-d69db8190e6e  
**Structured JSON / MCP:** https://whiteintel.dev/api/public/dossier/78a09efa-dfd7-51e6-895e-d69db8190e6e  

## Ownership & control

### Owners / controllers

- **WHIRLYBIRD AVIATION LLC** (registrant) — https://whiteintel.dev/entity/dd14bf99-32c3-520d-9f4a-bc242a821dfd

### UBO chain (walk to the ultimate owner)

1. **WHIRLYBIRD AVIATION LLC** — registrant → *Aircraft N421LL — CESSNA 421C*

## Provenance

- FAA aircraft — https://registry.faa.gov/aircraftinquiry/Search/NNumberResult?nNumberTxt=421LL

---

_This is the markdown-for-agents view of the WhiteIntel dossier for **Aircraft N421LL — CESSNA 421C**. Human view: https://whiteintel.dev/entity/78a09efa-dfd7-51e6-895e-d69db8190e6e · Structured JSON: https://whiteintel.dev/api/public/dossier/78a09efa-dfd7-51e6-895e-d69db8190e6e._

_Risk levels are heuristic investigative leads, not legal determinations of beneficial ownership. Every claim carries a source; an absent edge means "not yet observed in current sources", not "does not exist"._