Type Record · As of May 3, 2026
ROBINSON HELICOPTER R44 ASTRO
Rotorcraft · LYCOMING O-540-F1B5
Registered
6
Year Range
1994–1999
NTSB Events
0
Airworthiness Directives
0
01 / Distribution
Where the fleet lives and was built
Counts of currently-registered ROBINSON HELICOPTER R44 ASTRO aircraft by US state and decade of manufacture, sourced from the FAA Aircraft Registry.
By State (top 10)
- TX 16.7% 1
- FL 16.7% 1
- CA 16.7% 1
- HI 16.7% 1
- IN 16.7% 1
- IA 16.7% 1
By Decade of Manufacture
- 1990s 66.7% 4
- Unknown 33.3% 2
02 / NTSB Records
Events involving ROBINSON HELICOPTER R44 ASTRO aircraft
No NTSB-recorded events match ROBINSON HELICOPTER R44 ASTRO in the indexed corpus.
02b / NASA ASRS Reports
Near-miss reports involving ROBINSON HELICOPTER R44 ASTRO
NASA's voluntary, confidential reporting system surfaces what almost went wrong. 1 de-identified ASRS report references this airframe. Pilot-written narrative. ASRS reports are voluntary and not investigated — they represent the reporter's perspective and cannot infer prevalence.
03 / Airworthiness Directives
FAA directives applicable to ROBINSON HELICOPTER R44 ASTRO
No matching airworthiness directives are on file for this make and model in the Federal Register.
04 / Type Certificate Data Sheets
FAA TCDS for ROBINSON HELICOPTER R44 ASTRO
The TCDS is the legal certification document — weight limits, performance, equipment, AD compliance times, operating limitations. 1 match in the FAA catalog.
- H11NM Historical Rev 3 · 10/10/2002
Robinson Helicopter Company
Models: R44 II, R44
06 / Supplemental Type Certificates
Modifications approved for ROBINSON HELICOPTER R44 ASTRO
229 STCs on file — every FAA-approved modification, alteration, or installation for this aircraft. STOL kits, avionics, fuel systems, floats, engine swaps, you name it.
-
09/16/2025
STC SR12177IB
Installation of Floor Protector
Delastek Inc.
-
08/22/2025
STC SR02420AK
Installation of the ZW Aviation LLC R44M-001 Utility Camera Mount
Gyro-Stabilized Systems LLC
-
07/02/2025
STC SR02420AK
Installation of the ZW Aviation LLC R44M-001 Utility Camera Mount
Gyro-Stabilized Systems LLC
-
12/05/2023
STC SR03403CH
Installation of universal internal mount for electrical equipment provisions
STERLING HELICOPTER
-
10/05/2023
STC SR02270AK
Manufacture cargo rack.
Larry T. Larrivee
-
06/21/2023
STC SR02049LA
Installation of Apical Industries, Inc. Emergency Float Kits.
Apical Industries, Inc. dba Dart Aerospace
-
05/25/2023
STC SR01980WI
Installation of Garmin GI 275 Multi-Function Instrument
Garmin International Inc.
-
05/22/2023
STC SA01435LA
Installation of engines modified with Firewall Forward Technologies LLC modified camshaft
Centri-Lube Technologies LLC
-
04/12/2023
STC SR00086BO
Operation of rotorcraft on unleaded and leaded automotive gasoline, 91 minimum antiknock index (RON + MON)/2 per ASTM Specification D-439 or D-4814.
Petersen Aviation Inc.
-
04/04/2023
STC SA11137SC
Installation of Plane-Power ALT-FLX alternator
Hartzell Engine Technologies, LLC
-
01/30/2023
STC SR02431AK
Installation of the LAM-R44 Portable Device Mount
Airglas Inc.
-
07/22/2022
STC SR03512AT
Installation of HID Landing and Taxi Lights
Whelen Aerospace Technologies
-
07/21/2022
STC SR02420AK
Installation of the ZW Aviation LLC R44M-001 Utility Camera Mount
Gyro-Stabilized Systems LLC
-
03/14/2022
STC SR01980WI
Installation of Garmin GI 275 Multi-Function Instrument
Garmin International Inc
-
10/07/2021
STC SR00578SE
Fabrication of Onboard Systems Cargo Hook Kits Model 200-227-00 (without load weigh), Model 200-228-00 (with load weigh), Model 200-313-00 (28V, without load weigh), Model 200-314-…
Onboard Systems International
-
10/07/2021
STC SR01064SE
Fabrication of Onboard Systems Model 200-265-00 12 Volt Talon LC Keeperless cargo hook kit without load weigh, Model 200-266-00 12 Volt Talon LC Keeperless Cargo hook kit with loa…
Onboard Systems International LLC
-
10/07/2021
STC SR01808SE
Installation of Onboard Systems International Cargo Hook Kit
Onboard Systems International
-
04/26/2021
STC SR04200AT
Installation of a Sky Sign Model H-47C Electronic Billboard
SKY SIGN INC.
-
04/15/2021
STC SR02254LA
Installation of stability augmentation system and autopilot
S-TEC Corporation
-
12/17/2020
STC SR02704SE
Installation and maintenance of the Sunspot 36 and 46 series lights
AeroLED's Holdings LLC
-
12/17/2020
STC SR02704SE
Installation and maintenance of the Sunspot 36 and 46 series lights
AeroLEDS LLC
-
12/04/2020
STC SR02736LA
Installation of Skid Step
Longhorn Aviation Services LLC
-
11/30/2020
STC SR02991NY
The installation of Quick Release Mounting Provisions and Quick Release Cargo Basket.
Dart Aerospace Limited
-
10/07/2020
STC SR03297CH
Installation of provisions for external equipment
Certex Aviation LLC
-
10/07/2020
STC SR03403CH
Installation of universal internal mount for electrical equipment provisions
Certex Aviation LLC
-
08/05/2020
STC SR02622SE
Installation of Garmin G500H TXi Display System (Primary Flight Display (PDF), Multi-Function Display (MFD))
Garmin International Inc
-
06/29/2020
STC SR02363AK
Installation of a fixed mounted Max-Viz® Enhanced Vision System (EVS) Models 100/600 to include a sensor Line Replaceable Unit (LRU) with conformal housing, power supply, and a gla…
PECO Inc
-
03/11/2020
STC SR04453CH
Installation of Appareo Systems LLC Stratus ES & Stratus ESG ADS-B transponder
Appareo Systems LLC
-
02/17/2020
STC SR02124SE
Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;
Garmin International Inc
-
02/11/2020
STC SR02295LA
Installation of Garmin Model G500H Flight Display System
Garmin International Inc
+ 199 more STCs on file
07 / PMA replacement parts
FAA-approved replacement parts for ROBINSON HELICOPTER R44 ASTRO
9 parts on file from the FAA Parts Manufacturer Approval database. Each is a non-OEM part the FAA has authorized for use as a replacement on this aircraft type.
-
D8187-B#https://drs.faa.gov/browse/excelExternalWindow/C5E10304984CE65C862580D7006A4313.0001##
Pump-Motor Assembly
Weldon Pump replaces Robinson Helicopter Company D743-1, Weldon Pump D8187-B
PMA holder → -
98020044-MDL#https://drs.faa.gov/browse/excelExternalWindow/1EFA58305FC6743986257953005C80FC.0001##
R44 NVG Modification Kit
REB Technologies Inc replaces Modification Part
PMA holder → -
V674903-91#https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162268515320230713122534.0001##
Leaded and Unleaded Automotive Gasoline
Petersen Aviation Inc replaces Modification Part
PMA holder → -
322USM1123-44#https://drs.faa.gov/browse/excelExternalWindow/3BE1AB656E8AA27A8625784C004ED060.0001##
Universal Side Mount
North American Surveillance Systems Inc replaces Modification Part
PMA holder → -
19001-B#https://drs.faa.gov/browse/excelExternalWindow/AEB3564736729DF086257AD900716978.0001##
Fuel Pump
Weldon Pump replaces Robinson Helicopter P/N D-743-3
PMA holder → -
D8187-B#https://drs.faa.gov/browse/excelExternalWindow/6E87CE558B05D3D1862575D1006E0369.0001##
Fuel Boost Pump
Weldon Pump replaces Robinson P/N D743-1
PMA holder → -
44-100-5#https://drs.faa.gov/browse/excelExternalWindow/AB2F5517F4F70F36862571380071148E.0001##
Cargo Hook System
Test Instrumentation, Inc. replaces N/A
PMA holder → -
44-100-3#https://drs.faa.gov/browse/excelExternalWindow/E5BB811219582365862571380071145A.0001##
Cargo Hook System
Test Instrumentation, Inc. replaces N/A
PMA holder → -
44-100-1#https://drs.faa.gov/browse/excelExternalWindow/CBB2EA0CFAC3182E862571380071142B.0001##
Cargo Hook System
Test Instrumentation, Inc. replaces N/A
PMA holder →
04 / Regulations watching this type
Advisory Circulars and Federal Register activity for ROBINSON HELICOPTER R44 ASTRO
Advisory Circulars
No ACs explicitly mention this type. Showing universal operating-rule ACs that apply to all aircraft.
Recent Federal Register activity
Latest rulemakings touching general operating rules (Part 91) and maintenance rules (Part 43).
- 2026-04-17 Settlement Policy for Small Unmanned Aircraft System (UAS) Cases FR ↗
- 2026-02-10 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period; Denial of Extension FR ↗
- 2026-02-02 25-Hour Cockpit Voice Recorder (CVR) Requirement, New Aircraft Production FR ↗
- 2026-01-28 Normalizing Unmanned Aircraft Systems Beyond Visual Line of Sight Operations; Reopening of Comment Period FR ↗
- 2026-01-07 Requirements for Interference-Tolerant Radio Altimeter Systems FR ↗
05 / Aircraft of this type
All 6 registered N-numbers
Every tail currently on the FAA registry for this make/model. Click an N-number to query the FAA Aircraft Inquiry; rows flagged ● have NTSB events on file. Tails seeded with full TallyAero pages link directly.
| N-number | St | Year | NTSB | FAA |
|---|---|---|---|---|
| N128KR | TX | 1994 | · | Look up ↗ |
| N144FL | FL | — | · | Look up ↗ |
| N171WC | CA | 1997 | · | Look up ↗ |
| N300MK | HI | — | · | Look up ↗ |
| N413DK | IN | 1999 | · | Look up ↗ |
| N680PM | IA | 1999 | · | Look up ↗ |
Source — FAA Aircraft Registry · click "Look up" to query the live registry record (owner, address, last airworthiness)
05 / Sources & Methodology
Every count traces back to a primary US-government source
- FAA Aircraft Registry →
Refreshed Apr 27, 2026
Available
- NTSB CAROL →
Refreshed Apr 27, 2026
Available
- Federal Register (FAA Airworthiness Directives) →
Refreshed Apr 27, 2026
Available
We render counts and lists as the agency publishes them. Read the methodology →