# N417LS: 1994 Robinson Helicopter R22 BETA

- Status: Valid registration
- Airframe: [Robinson Helicopter R22 BETA](https://openairdocs.org/model/robinson-helicopter-r22-beta) (registry code 7640110, 2 seats)
- Engine: [Lycoming O-360-J2A](https://openairdocs.org/engine/lycoming-o-360-j2a) (registry code 42314)
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE) (Robinson Helicopter Company), [TCDS E-286](https://openairdocs.org/tcds/E-286) (Lycoming Engines) (OpenAirDocs)
- Serial number: 2436
- Year built: 1994
- Type: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Multiple
- Airworthiness date: June 26, 2013
- Certificate issued: September 17, 2025
- Expires: September 30, 2032
- Mode S code: A4EF2C
- Registered owner: [University Of Maryland Eastern Shore](https://openairdocs.org/faa-owner/UNIVERSITY%20OF%20MARYLAND%20EASTERN%20SHORE)
- Location: [Princess Anne, MD](https://openairdocs.org/faa-place/MD/Princess%20Anne)
- Owner type: Government
- Owner's area on the map: 38.2035° N, 75.7209° W: Placed by OpenAirDocs at the center of ZIP code 21853, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=417LS
- Page: https://openairdocs.org/aircraft/N417LS

From the FAA registry file of October 21, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 46 in force

### Matched by airframe (Robinson Helicopter R22 BETA)

- [AD 2024-20-03](https://openairdocs.org/ad/2024-20-03): Flight Control System · Robinson Helicopter R22 BETA, R22 MARINER, R44 and 1 more. Effective Nov 29, 2024
- [AD 2024-04-02](https://openairdocs.org/ad/2024-04-02): Tail Rotor Blades · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 4 more. Effective Apr 2, 2024
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2022-12-08](https://openairdocs.org/ad/2022-12-08): Flight Control System Wiring, Engine Control System Wiring, Engine RPM Indicating System · Robinson Helicopter R22 BETA, R44 and R44 II. Effective Jun 29, 2022
- [AD 2014-23-16](https://openairdocs.org/ad/2014-23-16): Main Rotor Blades · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Jan 9, 2015
- [AD 2013-19-06](https://openairdocs.org/ad/2013-19-06): JASC Code: 2823: Fuel Selector/Shut-Off Valve · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Nov 5, 2013
- [AD 2010-24-03](https://openairdocs.org/ad/2010-24-03): Tail rotor · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Dec 29, 2010
- [AD 2005-16-05](https://openairdocs.org/ad/2005-16-05): Door assembly . · Modified door and window (Tech-Tool Plastics STC SR09189RC). Effective Aug 26, 2005
- [AD 2004-19-09](https://openairdocs.org/ad/2004-19-09): Main rotor blades (blades) · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Oct 7, 2004
- [AD 2003-04-04](https://openairdocs.org/ad/2003-04-04): Pitch control bearing housing (housing) · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Mar 26, 2003
- [AD 2000-20-51](https://openairdocs.org/ad/2000-20-51): Yoke Inspection · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Nov 22, 2000
- [AD 2000-08-09](https://openairdocs.org/ad/2000-08-09): Sprag Clutches · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective May 5, 2000
- [AD 99-07-17](https://openairdocs.org/ad/99-07-17): Sprag Clutch · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Apr 28, 1999
- [AD 99-02-02](https://openairdocs.org/ad/99-02-02): Flexplates · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Feb 1, 1999
- [AD 98-21-09](https://openairdocs.org/ad/98-21-09): Fuel Tank Vent Tube(s) In Mast Fairing · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Dec 9, 1998
- [AD 97-25-05](https://openairdocs.org/ad/97-25-05): Carburetor and Carburetor Air Temperature Gage · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jan 12, 1998
- [AD 97-02-14](https://openairdocs.org/ad/97-02-14): Main Rotor RPM Sensor Resetting · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Mar 4, 1997
- [AD 96-09-29](https://openairdocs.org/ad/96-09-29): Replace V-Belt Sheave · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jun 7, 1996
- [AD 95-26-04](https://openairdocs.org/ad/95-26-04): Rotorcraft Flight Manual - Limitation Section · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jan 26, 1996
- [AD 95-23-05](https://openairdocs.org/ad/95-23-05): Tail Rotor Gearboxes · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Dec 27, 1995
- [AD 95-11-09](https://openairdocs.org/ad/95-11-09): FAA FM - Limitations - Low-G Pushovers · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jul 14, 1995
- [AD 95-06-03](https://openairdocs.org/ad/95-06-03): Main Rotor Gearbox · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jun 29, 1995
- [AD 94-15-08](https://openairdocs.org/ad/94-15-08): Main Rotor Blade Inspection · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Aug 9, 1994
- [AD 92-06-17](https://openairdocs.org/ad/92-06-17): NAS1304-16 AF Bolt Inspection · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jul 24, 1992
- [AD 90-17-01](https://openairdocs.org/ad/90-17-01): Carburetor Air Box Latches · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Sep 10, 1990
- [AD 88-26-01 R2](https://openairdocs.org/ad/88-26-01-R2): Main Rotor Spindle · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Aug 7, 1990
- [AD 87-18-03](https://openairdocs.org/ad/87-18-03): Main Rotor Pitch Link Assembly · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Apr 25, 1988
- [AD 81-17-01](https://openairdocs.org/ad/81-17-01): Starting Vibrator Assemblies · Bendix Starting Vibrator Assemblies, B-2, B-2A and 49 more. Effective Aug 13, 1981

### Matched by engine (Lycoming O-360-J2A)

- [AD 2026-04-11](https://openairdocs.org/ad/2026-04-11): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 605 more. Effective Apr 8, 2026
- [AD 2017-16-11](https://openairdocs.org/ad/2017-16-11): Reciprocating Engine Power Section · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-360-B1G6 and 93 more. Effective Aug 15, 2017
- [AD 2012-19-01](https://openairdocs.org/ad/2012-19-01): Crankshafts · Lycoming Engines AEIO-360-A1A, AEIO-360-A1B, AEIO-360-A1B6 and 321 more. Effective Oct 24, 2012
- [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [AD 2009-26-12](https://openairdocs.org/ad/2009-26-12): Cylinder assemblies · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 264 more. Effective Feb 4, 2010
- [AD 2007-04-19 R1](https://openairdocs.org/ad/2007-04-19-R1): SAP cylinder assemblies · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 314 more. Effective May 7, 2007
- [AD 2006-12-07](https://openairdocs.org/ad/2006-12-07): ECi cylinder assemblies · Aerostar AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 386 more. Effective Jul 11, 2006
- [AD 2006-10-21](https://openairdocs.org/ad/2006-10-21): ECi connecting rods · Engine Components Reciprocating Engine Connecting Rods, AEIO-360-B1B, AEIO-360-B1D and 171 more. Effective Jun 22, 2006
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 97-15-11](https://openairdocs.org/ad/97-15-11): Cylinder kits · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 538 more. Effective Aug 12, 1997
- [AD 96-09-10](https://openairdocs.org/ad/96-09-10): Oil pump · Lycoming Engines AEIO-320-E1A, AEIO-320-E1B, AEIO-320-E2A and 334 more. Effective Jul 15, 1996
- [AD 92-12-05](https://openairdocs.org/ad/92-12-05): Piston Pins · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 532 more. Effective Jul 10, 1992
- [AD 89-04-02](https://openairdocs.org/ad/89-04-02): Carburetors · Continental Motors O-470-11, O-470-11-CI, O-470-11B and 175 more. Effective Mar 8, 1989
- [AD 80-06-05](https://openairdocs.org/ad/80-06-05): Magnetos · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 254 more. Effective Mar 28, 1980
- [AD 75-08-09](https://openairdocs.org/ad/75-08-09): Oil Pump Drive Shaft · Lycoming Engines AEIO-360-A1B, AEIO-360-A1B6, AEIO-360-A1C and 365 more. Effective Aug 18, 1977
- [AD 69-24-03](https://openairdocs.org/ad/69-24-03): Carburetors · Continental Motors A-65-1, A-65-12, A-65-12F and 321 more. Effective Nov 29, 1969
- [AD 67-01-04](https://openairdocs.org/ad/67-01-04): Oil Filters · Full flow oil filter (Superior Flow STC SA401SW or 2 others). Effective Jan 2, 1967
- [AD 63-22-03](https://openairdocs.org/ad/63-22-03): Carburetors · Continental Motors GO-300-A, GO-300-B, GO-300-C and 143 more. Effective Dec 2, 1963

### Historical (superseded or no longer in force)

- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2011-12-10](https://openairdocs.org/ad/2011-12-10) (historical): Main rotor blade · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Jul 5, 2011
- [AD 2007-26-12](https://openairdocs.org/ad/2007-26-12) (historical): Blade skin debond · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 3 more. Effective Jan 18, 2008
- [AD 2004-06-52](https://openairdocs.org/ad/2004-06-52) (historical): Main rotor blade (blade) · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more
- [AD 98-14-08](https://openairdocs.org/ad/98-14-08) (historical): Flexplate · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more
- [AD 96-11-08](https://openairdocs.org/ad/96-11-08) (historical): Main Rotor RPM Sensor Resetting · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Jul 2, 1996
- [AD 95-06-07](https://openairdocs.org/ad/95-06-07) (historical): Flexplate · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Apr 4, 1995
- [AD 95-04-14](https://openairdocs.org/ad/95-04-14) (historical): RFM - Limitation Section · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more. Effective Mar 17, 1995
- [AD 94-11-01](https://openairdocs.org/ad/94-11-01) (historical): Flexplate · Robinson Helicopter R22, R22 ALPHA, R22 BETA and 1 more
- [AD 2024-21-02](https://openairdocs.org/ad/2024-21-02) (historical): Engine (Reciprocating) · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 548 more. Effective Dec 5, 2024
- [AD 2008-19-05](https://openairdocs.org/ad/2008-19-05) (historical): Parallel Valve'' reciprocating engines · Engine Components Reciprocating Engine Cylinder Assemblies, AEIO-320-D1B, AEIO-320-D2B and 262 more. Effective Oct 20, 2008
- [AD 2005-26-10](https://openairdocs.org/ad/2005-26-10) (historical): ECi cylinder assemblies. · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 413 more. Effective Jan 31, 2006
- [AD 81-18-04 R2](https://openairdocs.org/ad/81-18-04-R2) (historical): Engine Oil Pump Driven Impeller and Shaft · Textron Lycoming, AVCO AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 376 more. Effective Jun 7, 1982

## Information bulletins (advisory) (11 in force)

- [SAIB 2023-01](https://openairdocs.org/saib/2023-01): MAIN ROTOR BLADES; Brinelled Main Rotor Blade Spindle Bearing. Issued Feb 14, 2023
- [SAIB AIR-22-08](https://openairdocs.org/saib/AIR-22-08): MAIN ROTOR DRIVE SYSTEM,TAIL ROTOR DRIVE SYSTEM. Issued Apr 11, 2022
- [SAIB AIR-22-03](https://openairdocs.org/saib/AIR-22-03): Robinson Helicopter Company Model R22, R44, and R66 Helicopters; Emergency Locator Transmitter Retention. Issued Mar 3, 2022
- [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012
- [SAIB SW-11-15](https://openairdocs.org/saib/SW-11-15): Carbon Monoxide Detectors. Issued Jan 6, 2011
- [SAIB SW-07-16](https://openairdocs.org/saib/SW-07-16): Rotor blade skin debonding. Issued Feb 9, 2007
- [SAIB NE-19-08](https://openairdocs.org/saib/NE-19-08): Reciprocating Engine Cylinder Section - Lycoming Engines Parallel Valve Cylinders. Issued May 2, 2019
- [SAIB NE-08-32R1](https://openairdocs.org/saib/NE-08-32R1): Propeller Governor  Idler Gear Shaft Set Screw. Issued May 13, 2016
- [SAIB NE-14-13](https://openairdocs.org/saib/NE-14-13): Reciprocating Engine - Cylinder Mounting Studs. Issued Mar 24, 2014
- [SAIB NE-13-06](https://openairdocs.org/saib/NE-13-06): Pushrod Shroud Spring Retainers, Engine Components Part No. AEL14995, for Lycoming Engines 320, 360, and 540 Series Engines. Issued Nov 21, 2012
- [SAIB NE-06-32R1](https://openairdocs.org/saib/NE-06-32R1): Reciprocating Engine - Crankshaft. Issued Sep 10, 2008
- [SAIB NE-08-32](https://openairdocs.org/saib/NE-08-32) (historical): Propeller Governor Set Screw. Issued Jul 3, 2008

## NTSB investigations

None matched to N417LS.

## FAA accident and incident reports

None matched to N417LS.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Robinson Helicopter R22 BETA aircraft: https://openairdocs.org/model/robinson-helicopter-r22-beta/aircraft.md
- STCs for the Robinson Helicopter R22 BETA: https://openairdocs.org/model/robinson-helicopter-r22-beta/stcs.md
- The Lycoming O-360-J2A engine: https://openairdocs.org/engine/lycoming-o-360-j2a.md

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