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Aircraft record

N494SH2005 Robinson R44 II

Registration validUnclaimedSource: FAA, updated Oct 20, 2026

Safety record in brief:2 NTSB accidents (destroyed damage at worst, latest Mar 2023)16 ADs may apply1 service difficulty report

Registration
Valid
expires Apr 30, 2028
Based in
Red Oak, TX
owner city / state
Engine
IO-540 SER · 300 hp
Lycoming
Owners
1
since 2008
NTSB events
2
destroyed, 2023
ADs may apply
16
confirm with A&P
Service reports
1
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Registered owner
Partnership
City, state
Red Oak, TX
Certificate issued
Sep 19, 2008
Expires
Apr 30, 2028
Airworthiness
Standard · Normal
Airworthiness date
Sep 19, 2005

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Robinson
Model
R44 II
Year
2005
Serial number
10878
Aircraft type
Rotorcraft
Category
Land
Certification
Type Certificated
Seats
4
Engines
1
Max takeoff weight
Up to 12,499 lb
Type certificate data sheet
H11NM
Mode S code
A6208C

Engine

Make and model
Lycoming Io-540 Ser
Type
Reciprocating
Power
300 hp

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2008 – nowPartnershipRed Oak, TX · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (2)

Accident · destroyed

Mar 7, 2023 · Port O'Connor, TX

The pilot’s initiation of the visual flight into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of helicopter control. Contributing to the accident was the pilot’s flicker vertigo during the flight.

Damage
Destroyed
Injuries
Fatal
Report
CEN23FA125

From NTSB records; matched by serial number.Read NTSB report (search CAROL for CEN23FA125)

Accident · substantial damage

Feb 14, 2014 · Bonham, TX

The pilot's inadequate recovery from a loss of tail rotor effectiveness during a low altitude downwind hover in a gusty wind condition resulting in the helicopter contacting the ground and rolling over.

Damage
Substantial
Injuries
None
Report
CEN14CA142

From NTSB records; matched by serial number.Read NTSB report (search CAROL for CEN14CA142)

Accident history for this model

ADs published since 1998 that may apply (16)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2025-11-07Engine/ Transmission couplingJul 11, 2025Airframe (R44 II)
2024-23-01Robinson Helicopter CompanyJan 7, 2025Airframe (R44 II)Certain serial numbers: R44 …–2480; R44 30001–30022; R44 II …–14089. Only with: Riveted belt tension clutch actuator brackets P/N A185-1, A185-2, or A185-5 installed (brackets attached to fan scroll housing with screws are not applicable).
2024-20-07Various HelicoptersDec 5, 2024Airframe (R44 II)Only with: Only helicopters modified by the applicable STC (SR00831LA, SR00780LA, SR01687LA, SR00856LA, SR01855LA, SR02244LA, SR01779LA, SR01459LA, SR01535LA, SR00932LA, SR02049LA, SR02484LA, or SR01902LA).
2024-20-03Robinson Helicopter Company HelicoptersNov 29, 2024Airframe (R44 II)Only with: Governor controller P/N D270-1, Revision A through E inclusive, installed.
2022-12-08Robinson Helicopter Company HelicoptersJun 29, 2022Airframe (R44 II)Certain serial numbers: R22 BETA 4825–4857; R22 BETA 4860; R22 BETA 4861; R44 2625–2669; R44 30061; R44 30071–30080; …
Show all 16 ADs
ADSubjectEffectiveApplies to
2021-19-08Robinson Helicopter Company HelicoptersSep 22, 2021Airframe (R44 II)Only with: Tail rotor blade P/N C029-3 with S/N 9410 through 9909 inclusive installed.
2020-18-08Robinson Helicopter CompanyAug 27, 2020Airframe (R44 II)Only with: Orange silicone engine air induction hose P/N A785-31 installed; does not apply to helicopters with black neoprene hose P/N A785-31 installed.
2020-08-10Robinson Helicopter Company HelicoptersMay 22, 2020Airframe (R44 II)Only with: Tail rotor blade P/N C029-1 or C029-2 installed.
2020-05-11Robinson Helicopter Company HelicoptersApr 16, 2020Airframe (R44 II)Only with: Agricultural spray system (Simplex Model 244) installed by STC SR00286BO with spray system serial numbers 0045 through 0178 inclusive.
2016-26-04Robinson Helicopter Company HelicoptersFeb 8, 2017Airframe (R44 II)Only with: R44/R44 II with main rotor blade P/N C016-7 Revision AA through AE installed; R66 with main rotor blade P/N F016-2 Revision A through E installed.
2013-05-15Robinson Helicopter Company HelicoptersApr 30, 2013Airframe (R44 II)Only with: Emergency floats equipped with inflation valve assembly P/N D757-1 not engraved with "D758-4" or modified with modification B900-8, and containing housing assembly P/N D758-1 Revision C or prior.
2011-12-10Robinson Helicopter Company Model (Robinson) R22, R22 Alpha, R22 Beta, R22 Mariner, R44…Jul 5, 2011Airframe (R44 II)Only with: R22 models with main rotor blade P/N A016-4 installed; R44 models with main rotor blade P/N C016-2 or C016-5 installed.
2010-24-03Robinson Helicopter Company (Robinson) Model R22, R22 Alpha, R22 Beta, and R22 Mariner…Dec 29, 2010Airframe (R44 II)Certain serial numbers: R22 0002–3325; R22 Alpha 0002–3325; R22 Beta 0002–3325; R22 Mariner 0002–3325; R44 0001–1200; R44 II 0001–1200. Only with: Helicopters with more than 2,200 hours total time-in-service.
2007-11-01Robinson Helicopter Company Model R44 and R44 II HelicoptersJun 27, 2007Airframe (R44 II)Certain serial numbers: R44 …–1576; R44 II …–11107. Only with: Seat belt buckle assembly P/N C628-4, revision M or prior, installed.
2005-19-11Lycoming Engines (Formerly Textron Lycoming) AEIO-360, IO-360, O-360, LIO-360, LO-360…Oct 21, 2005Engine (IO-540 SER)Only with: Engines rated at 300 HP or lower, manufactured new, rebuilt, or overhauled after March 1, 1999, or that had a crankshaft installed after March 1, 1999.
2004-05-24Lycoming Engines (Formerly Textron Lycoming) AEIO-540, IO-540, LTIO-540, O-540, and…Mar 30, 2004Engine (IO-540 SER)Only with: Engines with crankshaft gear retaining bolts P/N STD-2209 installed; excludes O-540-F series engines subject to AD 99-03-05 with bolt not since replaced, engines with bolt installed at original assembly or replaced by Lycoming per SB 554 after November 10, 1998, engines with bolt from replacement kits 05K19987, 05K23325, 05K23326, 05K23327, 05K23335 or 05K23336, and engines with single-drive dual magnetos.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (1)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Engine fuel and control · link · separatedJul 28, 2006

    ON 7/26/06 PILOT REPORTED THAT WHILE FLYING THROTTLE CONTROL BECOME INEFFECTIVE. AIRCRAFT LANDED SAFELY AT AIRFIELD AND PUSHED TO HANGAR. INSPECTED THROTTLE CONTROL ATTACHMENT AT ENGINE THROTTLE BODY AND FOUND UPPER ROD END OF LINK, PN D8531 SEPARATED. PHOTOGRAPH TAKEN AND SENT OT MFG, IAW…

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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