N224RH is a 2001 Robinson Helicopter R44 (rotorcraft) with serial number 1137, registered in Knox City, TX. Its FAA registration is valid and runs until Jun 30, 2031; the renewal window opens on Dec 30, 2030. It is powered by a Lycoming 0-540F1 SERIE rated at 260 hp. Its airworthiness certificate is in the restricted class (agriculture and pest control), issued Jun 23, 2026. It is one of 551 R44 aircraft in the FAA registry, 92 of them registered in Texas. About 63% of them were built after it. The NTSB accident database lists one record for this airframe since 2008, the latest on Jul 20, 2026.
Registration
- FAA status
- Valid registration
- Expires
- Jun 30, 2031
- Registrant type
- LLC
- Registered owner
- CEDAR RIDGE AVIATION LLC
- Location
- Knox City, TX
- Local FAA office (FSDO)
- Lubbock FSDO (LBB FSDO) · (806) 740-3800
- Certificate issued
- Jun 6, 2024
- Last FAA action
- Jun 6, 2024
- Mode S code (hex)
- A1F15C
- Mode S code (octal)
- 50370534
- Official record
- registry.faa.gov
Aircraft
- Manufacturer
- ROBINSON HELICOPTER
- Model
- R44
- Type certificate (TCDS)
- H11NM (Robinson Helicopter Company)
- Year manufactured
- 2001
- Serial number
- 1137
- Aircraft type
- Rotorcraft
- Engine type
- Reciprocating
- Engine
- LYCOMING 0-540F1 SERIE (260 hp)
- Engines / seats
- 1 / 4
- Weight class
- Up to 12,499 lb
- Airworthiness
- Restricted since Jun 23, 2026
- Approved operations
- Agriculture and pest control
Public airports near Knox City
| Airport | ID | Distance | Tower | Fuel |
|---|---|---|---|---|
| Harrison Field Of Knox City Knox City, TX | F75 | 1 mi | Non-towered | - |
| Munday Municipal Munday, TX | 37F | 14 mi | Non-towered | - |
| Haskell Municipal Haskell, TX | 15F | 17 mi | Non-towered | 100LL |
Straight-line distance from the registration city, from the FAA airport directory (NASR). The registry does not say where an aircraft is based.
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Jul 20, 2026 | Emerson, IA | Robinson Helicopter R44 this airframe | Substantial | None | CEN26LA260 |
From the NTSB aviation accident database (events since 2008, data through Oct 28, 2026), matched by N-number. An N-number can move between aircraft, so each row is checked against the serial number on the current registration.