N521AL1981 Sikorsky S-76A
This N-number isn't registered right now. Below is its last known registration, canceled Aug 9, 2005.
Safety record in brief:No NTSB accidents or incidents since 198218 ADs may apply6 service difficulty reports
- Registration
- Deregistered
Registration
FAA Aircraft Registry · Oct 20, 2026- Last registered owner
- Air Logistics LLC
- Owner type
- Corporation
- City, state
- New Iberia, LA
- Certificate issued
- Aug 15, 2000
- Canceled
- Aug 9, 2005
- Airworthiness
- Standard · Transport
- Airworthiness date
- Oct 13, 2000
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 dataAirframe
- Manufacturer
- Sikorsky
- Model
- S-76A
- Year
- 1981
- Serial number
- 760132
- Aircraft type
- Rotorcraft
- Category
- Land
- Certification
- Type Certificated
- Seats
- 14
- Engines
- 2
- Max takeoff weight
- Up to 12,499 lb
- Type certificate data sheet
- H1NE
- Mode S code
- A68CB0
Engine
- Make and model
- Turbomeca Arriel 1ser
- Type
- Turbo-shaft
- Power
- 681 hp
Total time and engine hours aren't public. They appear here once the owner adds logbooks.
Ownership history
Ownership history from FAA records- 2000 – 2005Air Logistics LLCNew Iberia, LA
Individual owners are shown by city and state only.
Safety record
NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026NTSB events (0)
No NTSB accidents or incidents found for this airframe since 1982.
Accident history for this modelADs published since 1998 that may apply (18)
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.
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2024-20-07 | Various Helicopters | Dec 5, 2024 | Airframe (S-76A)Only with: Only helicopters modified by the applicable STC (SR00831LA, SR00780LA, SR01687LA, SR00856LA, SR01855LA, SR02244LA, SR01779LA, SR01459LA, SR01535LA, SR00932LA, SR02049LA, SR02484LA, or SR01902LA). |
| 2017-19-01 | Sikorsky Aircraft Corporation Helicopters | Jan 2, 2018 | Airframe (S-76A)Certain serial numbers: …–761075. Only with: Main rotor servo pushrod assembly P/N 76400-00034-059, 76400-00014-074, 76400-00014-076, or 76400-00014-077 installed. |
| 2015-26-10 | Sikorsky Aircraft Corporation Helicopters | Feb 9, 2016 | Airframe (S-76A)Only with: Main gearbox P/N 76351-09000 series, 76351-09500 series, or 76351-09600 series installed that has been repaired in accordance with Sikorsky ORI No. 76350-065 (original or Revision A). |
| 2015-19-51 | Sikorsky Aircraft Corporation Helicopters | Nov 10, 2015 | Airframe (S-76A)Only with: Main rotor servo input control pushrod assembly P/N 76400-00034-059 or tail rotor pushrod assembly P/N 76400-00014-071 installed. |
| 2013-22-15 | Sikorsky Aircraft Corporation (Sikorsky) Helicopters | Dec 13, 2013 | Airframe (S-76A)Certain serial numbers: …–760822. Only with: With spindle cuff assembly P/N 76102-08001-043, -045 or -046, or blade fold cuff assembly P/N 76150-09601-041 installed. |
Show all 18 ADsShow fewer ADs
| AD | Subject | Effective | Applies to |
|---|---|---|---|
| 2012-15-08 | Sikorsky Aircraft Corporation Helicopters | Sep 21, 2012 | Airframe (S-76A)Only with: Electric rotor brake (ERB) P/N 76363-09100-012 installed. |
| 2010-26-09 | Sikorsky Aircraft Corporation (Sikorsky) Model S76A, B, and C Helicopters | Jan 12, 2011 | Airframe (S-76A)Only with: LITEF LCR-100 Attitude Heading and Reference System (AHRS) Unit P/N 145130-7100 installed |
| 2010-10-02 | Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters | Jun 17, 2010 | Airframe (S-76A)Only with: Main rotor servo actuator Sikorsky P/N 76650-09805-109 or -110 (also marked HR Textron or Woodward HRT P/N 3006760-109 or -110) installed. |
| 2005-22-01 | Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters | Nov 10, 2005 | Airframe (S-76A)Only with: Main rotor hub pilot fitting P/N 76103-08003-101 with 1500 or more hours TIS installed. |
| 2003-04-15 | Sikorsky Aircraft Corporation Model S-76A, B, and C Helicopters | Feb 27, 2003 | Airframe (S-76A) |
| 2002-15-51 | Sikorsky Aircraft Corporation Model S76A, B, and C Helicopters | Oct 18, 2002 | Airframe (S-76A) |
| 2001-10-06 | Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters | May 17, 2001 | Airframe (S-76A)Only with: Main rotor shaft assembly P/N 76351-09030 (all dash numbers) installed. |
| 94-14-20 R1 | Sikorsky Aircraft Corporation Model S-76A Helicopters | Jun 8, 2001 | Airframe (S-76A)Only with: Tail rotor blade assembly P/N 76101-05001 (all dash numbers) or 76101-05101 (all dash numbers) installed with more than 130 hours time-in-service. |
| 2001-01-04 | Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters | Feb 2, 2001 | Airframe (S-76A)Certain serial numbers: …–760513. Only with: Positioning rod assembly P/N 1945E-31A or 2071-31, or side brace rod end P/N 1945E-235 or 2071-235, installed. |
| 2000-11-52 | Sikorsky Aircraft Corporation Model S-76 Series Helicopters | Aug 31, 2000 | Airframe (S-76A) |
| 2000-12-09 | Sikorsky Aircraft Corporation (Sikorsky) Model S-76A Helicopters | Jul 28, 2000 | Airframe (S-76A)Only with: Aero Aire Air Conditioning System P/N S-76A-1-2 installed, modified in accordance with STC SH4680SW. |
| 99-19-30 | Sikorsky Aircraft Corp. Model S76A, B, and C Helicopters | Oct 4, 1999 | Airframe (S-76A) |
| 99-11-04 | Sikorsky Aircraft Model S-76A Helicopters | Jul 9, 1999 | Airframe (S-76A)Only with: Turbomeca Arriel 1S1 engines installed in accordance with STC SH568NE, including drawing number 76070-30601. |
AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.
Service Difficulty Reports (6)
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.
- Fire protection · amplifier · unserviceableJun 4, 2005
BEFORE ENGINE START CHECK OF THE FIRE DETECTION SYSTEM, TEST HAD NO TONE. MAINTENANCE REMOVED FIRE CONTROL AMPLIFIER SN 11595 AND INSTALLED SERVICEABLE CONTROL AMPLIFIER 2329. ALL WORK WAS DONE IAW MM. OPS CHECK WAS GOOD. (K)
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine fuel and control · bellows · contaminatedJul 21, 2004
ON TAKEOFF, THE NR 1 ENGINE STARTED TO SURGE. MAINTENANCE REMOVED FUEL CONTROL, FOUND WATER IN THE P1 BELLOWS REMOVED WATER AND REINSTALLED FUEL CONTROL, OPS CHECK WAS GOOD. (M)
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine indicating · sensor · malfunctionedJan 18, 2003
DURING TAKE OFF, TWO MINUTES AFTER TAKEOFF FROM BASE, NR 1 ENGINE OVERSPEED CAUTION LIGHT FLICKERED REPEATEDLY (BRIGHT NOT DIM). AIRCRAFT WAS RETURNED TO BASE. UPON LANDING THE MECHANIC REMOVED AND REPLACED THE NR 1 ENGINE SPEED SENSOR. AIRCRAFT WAS FUNCTION CHECKED AND RETURNED TO SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 6 reportsShow fewer reports
- Engine indicating · sensor · failedJan 17, 2003
DURING GROUND RUN, WITH NR 1 ENGINE RUNNING AT GROUND IDLE (70 PERCENT NR1) AND ROTOR BRAKE ENGAGED, THE ENGINE SHUT ITSELF OFF AFTER RUNNING ABOUT 3-5 MINUTES. THE MECHANIC REMOVED AND REPLACED THE MAG OVERSPEED SENSOR AND THE AIRCRAFT RETURNED TO SERVICE.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Engine indicating · sensor · inoperativeOct 27, 2002
ON TAKEOFF, NR 2 ENGINE DROPPED OFF LINE AND WOULD NOT RESTART. THE MECHANIC TROUBLESHOT AND FOUND NR 2 OVERSPEED SENSOR NOT OPERATIONAL.
From FAA Service Difficulty Reports; matched by N-number and serial number. - Main rotor drive · quill · damagedMar 1, 2001
DURING PHASE INSPECTION, FOUR LARGE CHIPS WERE FOUND ON RIGHT HAND CHIP PLUG AND ONE LARGE CHIP ON THE LEFT HAND CHIP PLUG. THE BLOWER ASSEMBLY QUILL WAS PULLED AND TWO TEETH FOUND DAMAGED.
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