The Boeing CH-21 is an aircraft of United States origin. It has a maximum take-off weight of 6,600 kg. It offers a maximum range of 320 nm, a service ceiling of 8,000 ft and seating for up to 22 across its variants.
Boeing CH-21

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Photo via Wikimedia Commons: The H-21 is a heavy transport helicopter developed by the Piasecki Aircraft Corporation.jpg
Year
—
Owner
—
Last seen
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MTOW
6,600 kg
Range
320 nm
Seats
22
CH-21
Boeing · CH-21
Model overview
Fleet & certification
- Built
- 1
- Active
- 1
- Origin
- United States
Certifying authorities
FAA
Variants
Per-variant specifications
| Variant | Engine | MTOW | Range | Cruise | Pax |
|---|---|---|---|---|---|
| CH-21C CH-21C | — | 6,600 kg | 320 nm | — | 22 |
Type certification
The FAA paperwork
TCDS H11WE
The FAA-issued Type Certificate for this model is on file (TCDS H11WE), but we haven't yet extracted the structured spec values.
Read the TCDS (PDF) →Safety & ops history
Where to look next
Detailed safety & ops history coming soon — view this model's FAA Airworthiness Directives at FAA.gov.
This aircraft
Tools
Explore Sprinkle
CH-21 — frequently asked
What is the range of the Boeing CH-21?
The Boeing CH-21 has a maximum range of 320 nautical miles across variants.
How many people can the Boeing CH-21 carry?
The Boeing CH-21 seats up to 22 across its variants.
What is the MTOW of the Boeing CH-21?
The Boeing CH-21's maximum take-off weight is 6,600 kg.
How many Boeing CH-21 aircraft are registered worldwide?
Sprinkle tracks 1 registered Boeing CH-21 airframes worldwide.
Registered CH-21 aircraft
Individual CH-21 airframes by tail number — registration history, operator and lineage.