N458SG is a 2004 Robinson Helicopter Company R44 II (rotorcraft) with serial number 10458, registered in Knox City, TX. Its FAA registration is valid and runs until Jan 31, 2028; the renewal window opens on Jul 31, 2027. It is powered by a Lycoming IO-540-AE1A5 rated at 260 hp. Its airworthiness certificate is in the restricted class (agriculture and pest control), issued Jul 28, 2013. It is one of 1,326 R44 II aircraft in the FAA registry, 203 of them registered in Texas. About 88% of them were built after it. The NTSB accident database lists one record for this airframe since 2008, the latest on Jul 31, 2022.
Registration
- FAA status
- Valid registration
- Expires
- Jan 31, 2028
- 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
- Jan 4, 2021
- Last FAA action
- Apr 14, 2023
- Mode S code (hex)
- A5916B
- Mode S code (octal)
- 51310553
- Official record
- registry.faa.gov
Aircraft
- Manufacturer
- ROBINSON HELICOPTER COMPANY
- Model
- R44 II
- Type certificate (TCDS)
- H11NM (Robinson Helicopter Company)
- Year manufactured
- 2004
- Serial number
- 10458
- Aircraft type
- Rotorcraft
- Engine type
- Reciprocating
- Engine
- LYCOMING IO-540-AE1A5 (260 hp)
- Engines / seats
- 1 / 4
- Weight class
- Up to 12,499 lb
- Airworthiness
- Restricted since Jul 28, 2013
- 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 31, 2022 | Marshall, MO | Robinson Helicopter Company R44 II this airframe | Substantial | None | CEN22LA350 |
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.