# N520AT: 2015 Pipistrel Lsa S R L ALPHA TRAINER

- Status: Valid registration
- Airframe: [Pipistrel Lsa S R L ALPHA TRAINER](https://openairdocs.org/model/pipistrel-lsa-s-r-l-alpha-trainer) (registry code 060009K, 2 seats)
- Engine: [Rotax 912ULS series](https://openairdocs.org/engine/rotax-912uls-series) (registry code 55572)
- Serial number: 738 AT 912 LSA
- Year built: 2015
- Type: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Light sport, airplane
- Airworthiness date: July 27, 2015
- Certificate issued: September 21, 2020
- Expires: September 30, 2027
- Mode S code: A68900
- Registered owner: [Lauer Jeremy J](https://openairdocs.org/faa-owner/LAUER%20JEREMY%20J)
- Location: [Gales Ferry, CT](https://openairdocs.org/faa-place/CT/Gales%20Ferry)
- Owner type: Individual
- Owner's area on the map: 41.4348° N, 72.0584° W: Placed by OpenAirDocs at the center of ZIP code 06335, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=520AT
- Page: https://openairdocs.org/aircraft/N520AT

From the FAA registry file of October 24, 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. The registry lists only the engine series, so ADs for every Rotax 912ULS model are included.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Pipistrel Lsa S R L ALPHA TRAINER)

None in force.

### Matched by engine (Rotax 912ULS series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N520AT.

## FAA accident and incident reports (2)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Incident 20250718009219I](https://openairdocs.org/incident/20250718009219I), Jul 18, 2025: Pipistrel Lsa S R L ALPHA TRAINER (N520AT), Hartford, CT, Minor damage. On 07/18/2025 at approximately 01:40 pm local, a Pipistrel Alpha Trainer aircraft, operated by an instructor pilot as the pilot in command (PIC), sustained…
- [Incident 20200909016299I](https://openairdocs.org/incident/20200909016299I), Sep 9, 2020: Pipistrel Lsa S R L ALPHA TRAINER (N520AT), Hartford, CT, Minor damage. On September 9, 2020, the pilot (PIC) met with the CFI from learn 2 fly CT located at hfd around 3PM, with the purpose of receiving flight training so that the…

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## Service difficulty reports on N520AT not matched to an aircraft (50)

They name N520AT, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.

- [SDR AMTA200800218](https://openairdocs.org/sdr/AMTA200800218), Mar 11, 2008: FLOOR SUPPORT. CORRODED. UPPER SURFACE CORROSION ON CHANNEL UNDER FLOORBOARD 221DF AND 222CF AT BL0 BS 330 TO BS 365. (82567). REMOVED CORROSION AT BS 330 TO BS 365 ON THE UPPER SURFACE
- [SDR AMTA200800212](https://openairdocs.org/sdr/AMTA200800212), Mar 9, 2008: GIRT BAR. OUT OF POSITION. DURING OPERATIONAL CHECK OF L-2 DOOR ESCAPE SLIDE SAMPLING W/C 222M2503 INTERIOR DOOR HANDLE WAS DIFFICULT TO OPEN. INSPECTED AND FOUND GIRT SLIDE MATERIAL RUBB
- [SDR AMTA200800210](https://openairdocs.org/sdr/AMTA200800210), Mar 6, 2008: FLOOR SUPPORT. CORRODED. CORROSION AROUND ALL FASTENER HOLES ON OB FLOORBOARD SUPPORT JUST IB OF L-4 DOOR LWR SILL BS 1640-BS 1681.8, LBL 58.22. FOUND CORROSION ON LOWER AFT SILL SECTIO
- [SDR AMTA200800209](https://openairdocs.org/sdr/AMTA200800209), Mar 6, 2008: SUPPORT FITTING. CORRODED. SUPPORT FITTING ON FWD CARGO DOOR SILL CORRODED AR BS 608, BL25R. REMOVED AND REPLACED SUPPORT FITTING PN 69-45555Y10 IAW SRM 510-40-02.
- [SDR AMTA200800193](https://openairdocs.org/sdr/AMTA200800193), Mar 1, 2008: FLOORBEAM. CORRODED. LIGHT CORROSION AND BARE METAL ON UPPER SURFACE OF FLOORBEAM BETWEEN BS 1637 AND BS 1682. (82561) LBL 58.82 TO RBL 58.82. REMOVED LIGHT CORROSION IWA SRM 51-10-
- [SDR AMTA200800189](https://openairdocs.org/sdr/AMTA200800189), Feb 29, 2008: FLOORBEAM. CORRODED. AFT CARGO, FOUND CORROSION ON FLOOR STRINGER STA 1485, RBL (EXFOLIATION). REMOVED DAMAGED AREA, FABRICATED REPAIR PARTS AND INSTALLED IAW 51-70-06. TREATED AND 
- [SDR AMTA200800035](https://openairdocs.org/sdr/AMTA200800035), Jan 27, 2008: IRU. MALFUNCTIONED. C. IRS FAULT ON EICAS. SWAPPED RT WITH CENTER IRU, CENTER IRU SN 98052824. RT IRU SN NOW 6456. OPS CK GOOD, OK FOR SERVICE. (K)
- [SDR AMTA200800027](https://openairdocs.org/sdr/AMTA200800027), Jan 18, 2008: COUPLER. DEFECTIVE. LT HF WILL NOT TRANSMITT AT ALL STATIONS. REMOVED AND REPLACED HF COUPLER LT SIDE. RADIO CHECK, OPS GOOD. (K)
- [SDR AMTA200800019](https://openairdocs.org/sdr/AMTA200800019), Jan 16, 2008: BATTERY PACK. DISCHARGED. EMERGENCY FLOOR LIGHTING INOPERATIVE AT ROWS 6 DEF - 9 DEF. REMOVED AND REPLACED FWD BATTERY PACK. OPS CHECK GOOD. (K)
- [SDR AMTA200800011](https://openairdocs.org/sdr/AMTA200800011), Jan 9, 2008: NONE. NONE. UNABLE TO TRANSMIT OR RECEIVE ON LT HF RADIO. CALLED SFO ON 5574, TRANSMIT AND RECEIVE 5X5. NO FAULTS FOUND RECEIVER, OK FOR SERVICE, OPS CHECK NORMAL. (K)
- [SDR AMTA200800002](https://openairdocs.org/sdr/AMTA200800002), Dec 31, 2007: WIRE. DISCONNECTED. EGRESS TRACK LIGHTING WIRES EXPOSED NR 2L FLOOR. RESECURED EMERGENCY LIGHTING WIRES AT 2L FLOOR. (K)
- [SDR AMTA200700486](https://openairdocs.org/sdr/AMTA200700486), Oct 9, 2007: CONTROLLER. MALFUNCTIONED. EICAS MSG L ENG BLEED OFF DISPLAYED. LT ENGINE BLEED AIR OFF LGT ILLUM WITH ENG RUNNING ADN SW ON. DUCT PRES ZERO. T/S IAW FIM 36-10-00. REMOVED AND REPLACED TH
- [SDR AMTA200700463](https://openairdocs.org/sdr/AMTA200700463), Sep 27, 2007: SHUTOFF VALVE. UNSERVICEABLE. EICAS MSG L ENG BLD OFF DISPLAYED. LT ENG BLD AIR OFF LGT ILLUM WITH ENG RUNNING AND SW ON. DUCT NORM. JUMPERED RFCC NO HELP, REMOVED AND REPLACED NR 1 ENG PRES
- [SDR AMTA200700458](https://openairdocs.org/sdr/AMTA200700458), Sep 22, 2007: VALVE. UNSERVICEABLE. EICAS MSG L PACK OFF DISPLAYED. PACK OFF LIGHT ILLUMINATED. LIGHTS FAILED TO EXTINGUISH WHEN PACK RESET SW PUSHED. PACK OPPERATES NORMAL. REPLACED LT FLOW CONTR
- [SDR AMTA200700427](https://openairdocs.org/sdr/AMTA200700427), Sep 7, 2007: DISPLAY. INOPERATIVE. CAPT`S CDU WENT BLANK AFTER T/O AND REMAINED BLANK. REMOVED AND REPLACED CAPT`S CDU IAW AMM 34-61-02-422-035, OPS CHECK GOOD.
- [SDR AMTA200700371](https://openairdocs.org/sdr/AMTA200700371), Aug 4, 2007: CONTROLLER. MALFUNCTIONED. RT WINDOW HEAT INOP LIGHT ILLUMINATED SEVERAL TIMES DURING CLIMB. REMOVED AND REPLACED WINDOW HEAT CONTROLER IAW MM 30-41-01-4, OPS CK GOOD. (K)
- [SDR AMTA200700178](https://openairdocs.org/sdr/AMTA200700178), Mar 27, 2007: WARNING SYSTEM. MALFUNCTIONED. GIRT BAR ENGAGMENT LIGHT EXTN WITH DOOR IN THE ARMED POSITION R-2. INSPECTED DOOR SLIDE LIGHT. LIGHT OPS CHECK NORMAL.
- [SDR AMTA200700177](https://openairdocs.org/sdr/AMTA200700177), Mar 27, 2007: WARNING SYSTEM. MALFUNCTIONED. GIRT BAR ENGAGEMENT LIGHT EXT WITH EVACUATION SLIDE ARMING LEVER IN ARMED POS AT ENTRY DOOR 2L. INSPECTED DOOR SLIDE LIGHT. LIGHT OPS CHECK NORMAL.(K)
- [SDR AMTA200600501](https://openairdocs.org/sdr/AMTA200600501), Aug 6, 2006: VALVE. UNSERVICEABLE. EICAS MSG L PACK TEMP DISPLAYED L PACK INOPERATIVE. LT RE-ILLUM AFTER PACK RESET IN STANBY. REMOVED AND REPLACED LT PACK FLOW CONTROL VALVE IAW MM. NO LEAKS NOT
- [SDR AMTA200600415](https://openairdocs.org/sdr/AMTA200600415), Jun 23, 2006: TACH GENERATOR. INOPERATIVE. LT ENG BLEED INOPERATIVE. FOUND N3 TACH GENERATOR INOPERATIVE. REMOVED AND REPLACED IAW MM. REAN ENGINE OPS CHECK NORMAL. (K)
- [SDR AMTA200600393](https://openairdocs.org/sdr/AMTA200600393), Jun 10, 2006: STATUS MESSAGE. ILLUMINATED. WXR SYSTEM STATUS MESSAGE ON EICAS DISPLAYED. PERFORMED BITE TEST OF THE WXR SYSTEM IAW FIM. BITE TEST NORMAL. NO FAULTS NOTED. (K)
- [SDR AMTA200600294](https://openairdocs.org/sdr/AMTA200600294), Apr 27, 2006: LIGHT. INOPERATIVE. ROW 10 FLOOR PATH EXIT MARKERS INTERMITTENT. REPLACED PATH LIGHTING AT ROW 11. OPS CK GOOD. (K)
- [SDR AMTA200500939](https://openairdocs.org/sdr/AMTA200500939), Oct 25, 2005: LIGHT. INOPERATIVE. 3 FT SECTION OF FLOOR TRACK EGRESS LIGHTING AT (D) LAV INOPERATIVE. REMOVED AND REPLACED LAMPS AS REQUIRED. IAW MM, OPS CHECK GOOD. (K)
- [SDR AMTA200500637](https://openairdocs.org/sdr/AMTA200500637), Aug 9, 2005: GENERATOR. UNSERVICEABLE. EICAS MSG R GEN DRIVE DISPLAYED GEN DRIVE LIGHT ILLUMINATED, GEN DRIVE DISCONNECTED. REMOVED AND REPLACED IDG IAW M57-24-01.
- [SDR AMTA200500373](https://openairdocs.org/sdr/AMTA200500373), Apr 16, 2005: WARNING LIGHT. ILLUMINATED. ON CLIMB-OUT AFTER TAKEOFF, STATUS MSG ELEV ASYM WAS NOTICED. UPON LANDING MESSAGE WENT AWAY NO FAULT BALLS ON L/R SAM COMP. PERFORMED BITE PER FIM 27-09-00 FIG
- [SDR AMTA200500218](https://openairdocs.org/sdr/AMTA200500218), Feb 26, 2005: SWITCH. BROKEN. EMERGENCY LIGHT TEST SWITCHES INOPERATIVE OVER L3 AND L4 DOOR IN CABIN. REPLACED BROKEN SWITCH AND REWIRED SWITCHES CORRECTLY IAW WDM 33-51-15. (M)
- [SDR AMTA200401345](https://openairdocs.org/sdr/AMTA200401345), Nov 1, 2004: SHEAR WEB. CORRODED. CORROSION ON DECK PLATE, BS 1681, LBL 30 AT FASTENER HOLE. SHEAR WEB BS 1681 TO 1720 WILL BE REPLACED ON EO 757-53SW-25 91, REVC.
- [SDR AMTA200401062](https://openairdocs.org/sdr/AMTA200401062), Aug 20, 2004: CARD. FAILED. STATUS MSG L ENG OH LP 1 DISPLAYED. INSTALLED CONTROL CARD. CHECKS GOOD. (M)
- [SDR AMTA200401027](https://openairdocs.org/sdr/AMTA200401027), Aug 11, 2004: LIGHT. LOOSE. FOUND ROW 32 SEAT CDF TRACK LIGHT FLOOR PATH ESCAPE LIGHTING INOPERATIVE. SECURED TRACK LIGHT, LIGHT OPS OK. (M)
- [SDR AMTA200400678](https://openairdocs.org/sdr/AMTA200400678), Jun 3, 2004: CONTROL BOX. MALFUNCTIONED. SEVERAL TIMES DURING DESCENT LEFT THROTTLE LEVER WOULD JAM AND WAS NOT ABLE TO BE POSITIONED TO IDLE. FORCING T-LEVER FORWARD FREED MOVEMENT. REMOVED AND REPLAC
- [SDR AMTA200400381](https://openairdocs.org/sdr/AMTA200400381), Mar 31, 2004: CONNECTOR. DISCONNECTED. FOUND TWO EGRESS TRACK LIGHTS INOPERATIVE AT SEAT 8 DEF. RESECURED CONNECTOR ON EGRESS TRACK LIGHT AT 8DEF REF AMM 33-51-11, OPS CHECK NORMAL. (M)
- [SDR AMTA200400001](https://openairdocs.org/sdr/AMTA200400001), Dec 31, 2003: SLIDE. MALFUNCTIONED. FOUND DOORS 4L, 2R SLIDE WILL NOT ARM. OPENED AND CLOSED DOOR, SLIDE ARMED AS REQUIRED. OPS CHECK NORMAL. (M)
- [SDR AMTA200301447](https://openairdocs.org/sdr/AMTA200301447), Dec 1, 2003: GOVERNOR. MALFUNCTIONED. DURING SHUTDOWN, NR 2 RT ENGINE WOULD NOT SHUTDOWN WITH FUEL CONTROL SHUTOFF SWITCH IN CUT OFF POSITION. ALSO, NR 2 ENGINE WOULD NOT SHUT DOWN WITH NR 2 FIRE HA
- [SDR AMTA200301406](https://openairdocs.org/sdr/AMTA200301406), Nov 20, 2003: WIRE. DISCONNECTED. EGRESS LIGHTS INOPERATIVE FROM ROW 35 AFT. FOUND WIRE LOOSE UNDER PLASTIC COVER AT ROW 35. RECONNECTED PER MM 33-51-11. OPS CHECK NORMAL. OK FOR SERVICE. (M)
- [SDR AMTA200300683](https://openairdocs.org/sdr/AMTA200300683), May 20, 2003: WIRE. DISCONNECTED. EGRESS LIGHTING AT ROW 32 AND ROW 33 WILL NOT ILLUMINATE. RECONNECTED WIRES TO LIGHT ASSEMBLY, OPS CHECK NORMAL. (M)
- [SDR AMTA200300682](https://openairdocs.org/sdr/AMTA200300682), May 20, 2003: WIRE. DISCONNECTED. EGRESS FLOOR LIGHTING AT SEAT ROW 1ABC WILL NOT ILLUMINATE. RECONNECTED WIRES TO LIGHT ASSEMBLY, OPS CHECK NORMAL. (M)
- [SDR AMTA200300664](https://openairdocs.org/sdr/AMTA200300664), May 18, 2003: LIGHT. INOPERATIVE. AFT C-ZONE 3 LAST EGRESS LIGHTS OUT. INSTALLED NEW LIGHT ASSEMBLY AT ROW 30 DEF, OPS NORMAL ALL THREE LIGHTS, OPS NORMAL. (M)
- [SDR AMTA200300570](https://openairdocs.org/sdr/AMTA200300570), Apr 28, 2003: LIGHT. INOPERATIVE. LIGHT INOPERATIVE ON EMERGENCY EGRESS TRACK AT SEAT 32C. REMOVED AND REPLACED LIGHT ASSEMBLY. OPS CHECK GOOD. (M)
- [SDR AMTA200300571](https://openairdocs.org/sdr/AMTA200300571), Apr 28, 2003: WIRE. DISCONNECTED. TWO LIGHTS INOPERATIVE ON EMERGENCY EGRESS TRACK AT SEAT 1C. FOUND WIRE TERMINAL DISCONNECTED, RECONNECTED TERMINAL, OPS CHECK GOOD. (M)
- [SDR AMTA200300473](https://openairdocs.org/sdr/AMTA200300473), Apr 7, 2003: EXTINGUISHER. DISCHARGED. PORTABLE HALON FIRE EXTNIGUISHER FROM LEFT FORWRAD OVERHEAD BIN DISCHARGED IN FLIGHT INTO THE MIDDLE OVEN IN THE FORWARD GALLEY. DUE TO SMOKE FROM PAPER IN OVEN
- [SDR AMTA200300388](https://openairdocs.org/sdr/AMTA200300388), Mar 21, 2003: CONNECTOR. LOOSE. EMERGENCY EGRESS FLOOR PATH LIGHTS NOPERTIVE NEXT TO ROW TWO. SECURED LOOSE CONNECTION. OPS CHECK NORMAL. (M)
- [SDR AMTA200300330](https://openairdocs.org/sdr/AMTA200300330), Mar 9, 2003: CONTROL BOX. OUT OF POSITION. UPON TAXIING TO GATE AT ENGINE START LEFT ENGINE GOES INSTANTLY TO TAKEOFF POWER. REPOSITIONED THROTTLE LOWER CONTROL BOX WITH FFG. (M)
- [SDR 2002F01063](https://openairdocs.org/sdr/2002F01063), Nov 5, 2002: IMPELLER. INOPERATIVE. DURING CRUISE, RIGHT CENTER BOOST PUMP LIGHT ILLUMINATED. EICAS MESSAGE CTR RT FUEL PUMP DISPLAYED. MAINTENANCE REMOVED AND REPLACED THE RIGHT CENTER IMPELLER I
- [SDR 2002F01019](https://openairdocs.org/sdr/2002F01019), Nov 5, 2002: WARNING LIGHT. ILLUMINATED. (ORIG-OPEN) FLIGHT NUMBER 433. DURING CRUISE RIGHT CENTER BOOST PUMP LIGHT ILLUMINATED. EICAS MESSAGE CTR RT FUEL PUMP DISPLAYED.
- [SDR 2002F00766](https://openairdocs.org/sdr/2002F00766), Jul 1, 2002: WIRE. BROKEN. DURING SCHEDULED MAINTENANCE EGRESS FLOOR LIGHTS INOP FROM ROW 31 THROUGH 35. MAINTENANCE RECONECTED BROKEN WIRE AS REQUIRED, OPERATIONAL CHECK GOOD.
- [SDR 2002F00767](https://openairdocs.org/sdr/2002F00767), Jun 28, 2002: WIRE. BROKEN. DURING SCHEDULED MAINTENANCE THE FIRST WHITE FLOOR PATH LIGHT WAS INOP. MAINTENANCE RECONNECTED THE WIRES, OPERATIONAL CHECK GOOD.
- [SDR 2002F00503](https://openairdocs.org/sdr/2002F00503), May 5, 2002: FUEL CONTROL. MALFUNCTIONED. AFTER PUSHBACK FROM GATE AND UPON LEFT ENGINE START, RECEIVED EICAS ADVISORY MESSAGES L ENG EEC AND L ENG LIMITER, AS WELL AS L ENG LIMITER INOP LIGHT AND L ENG
- [SDR 2002F00470](https://openairdocs.org/sdr/2002F00470), May 5, 2002: GOVERNOR. FAILED. AFTER PUSHBACK FROM GATE AND UPON LEFT ENGINE START, RECEIVED EICAS ADVISORY MESSAGE S L ENG EEC AND L ENG LIMITER, AS WELL AS L ENG LIMITER INOP LIGHT AND L EN
- [SDR 2002F00440](https://openairdocs.org/sdr/2002F00440), May 1, 2002: MECHANISM. OUT OF ADJUST. FLIGHT 073, AFTER PUSHBACK DOOR 1L ARM LIGHT EXTINGUISHED, CLOSER INSPECTION REVEALED DOOR SLIDE WAS NOT ARMED. AIRCRAFT RETURNED TO THE GATE AND MAINTENANCE PE
- [SDR 2002F00208](https://openairdocs.org/sdr/2002F00208), Feb 1, 2002: CONVERTER. FAILED. DURING CRUISE, RIGHT PACK INOP LIGHT AND RIGHT PACK TEMP ON EICAS CAME ON. MAINTENANCE REPLACED NUMEROUS RIGHT PACK SYSTEM COMPONENTS. RIGHT PACK CATALYTIC CONV

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Related

- Other Pipistrel Lsa S R L ALPHA TRAINER aircraft: https://openairdocs.org/model/pipistrel-lsa-s-r-l-alpha-trainer/aircraft.md
- The Rotax 912ULS series engine: https://openairdocs.org/engine/rotax-912uls-series.md

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