Piston helicopter

N484AB

Robinson R44 RAVEN II Piston Helicopters / R44 Newscopter / R44 Clipper II

Registered 1 NTSB/FAA record
Built
—
Serial
11390
Class
Piston helicopter
Engines
Lycoming IO-540-AE1A5
Status
Current as of October 2026
Registered owner
Coejo Aviation LLC (LLC)
Based
Uvalde, TX
Registration record

N484AB on the FAA register

Type
Robinson R44 RAVEN II Piston Helicopters / R44 Newscopter / R44 Clipper II (FAA: Robinson R44 II)
Serial
11390
Engines
Lycoming IO-540-AE1A5
Registered owner
Coejo Aviation LLC
Uvalde, TX
Certificate issued
2022-09-15
Airworthiness date
2018-04-19
Registration expires
2029-09-30
Airworthiness class
Standard · normal
Mode S (hex)
A5F777
Mode S (octal)
51373567
Seats (type)
4
Weight class
up to 12,499 lb
Range (type)
279 nm
Cruise (type)
100 kt
Status
Current as of October 2026
Registry history

Timeline

  • 2029-09-30
    Registration expires (renewal due).
  • 2022-09-15
    Certificate of registration issued as N484AB.
  • 2019-01-08
    Accident at Uvalde, TX; damage: substantial.
  • 2018-04-19
    Airworthiness date on the current FAA record (standard category (normal)).
Overview

About N484AB

N484AB is a Robinson R44 RAVEN II Piston Helicopters / R44 Newscopter / R44 Clipper II (FAA model R44 II), serial number 11390. The FAA register lists Coejo Aviation LLC as the registrant in Uvalde, Texas. The current certificate of registration was issued on September 15, 2022 and expires on September 30, 2029.

The FAA aircraft reference file describes the type as a piston helicopter, one Lycoming IO-540-AE1A5 engine and 4 seats. Published figures for the type give a cruise speed of about 100 knots and a range of about 279 nm; actual performance depends on configuration, load and conditions. Its airworthiness certificate is standard category (normal), dated April 19, 2018.

N484AB has 1 accident/incident record on file (most serious damage: substantial); details are below.

Cruise
100 kt
Range
279 nm
Fuel burn
15 gph

Published figures for the Robinson R44 RAVEN II Piston Helicopters / R44 Newscopter / R44 Clipper II type. They describe the model, not this airframe's equipment or condition.

Safety record

Accident & incident history

2019-01-08 Accident · Uvalde, TX Damage: Substantial Minor injury NTSB · CEN19LA065
Reported aircraft: Robinson R44
Probable cause: The slipping of the sprag clutch due to galling of the sprags and corresponding sprag contact surfaces within the clutch assembly, which rendered the helicopter uncontrollable.

Sources: NTSB aviation accident database and CAROL case system, FAA preliminary accident & incident notices. Search accident records

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Data: FAA Aircraft Registry (October 2026), including deregistered aircraft; NTSB and FAA accident data; fyiAero listing history. Individual owners' names are shown to signed-in users and street addresses are never shown. Type figures are published specifications, not this aircraft's.