# N547AL: Zipline International P2 ZIP - Status: Valid registration - Airframe: [Zipline International P2 ZIP](https://openairdocs.org/model/zipline-international-p2-zip) (registry code 06102II) - Serial number: 18736P22528 - Type: Hybrid lift - Engine type: Electric - Certificate issued: June 2, 2026 - Expires: June 30, 2033 - Mode S code: A6F1F8 - Registered owner: [Zipline International Inc](https://openairdocs.org/faa-owner/ZIPLINE%20INTERNATIONAL%20INC) - Location: [S San Fran, CA](https://openairdocs.org/faa-place/CA/S%20San%20Fran) - Owner type: Corporation - Owner's area on the map: 37.6552° N, 122.4184° W: Placed by OpenAirDocs at the center of ZIP code 94080, 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=547AL - Page: https://openairdocs.org/aircraft/N547AL 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. ## ADs that may apply (OpenAirDocs): 0 in force ### Matched by airframe (Zipline International P2 ZIP) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N547AL. ## FAA accident and incident reports None matched to N547AL. ## 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 N547AL not matched to an aircraft (30) They name N547AL, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR ALG2006F00032](https://openairdocs.org/sdr/ALG2006F00032), Mar 25, 2006: STARTER GEN. FAILED. IN CRUISE FLIGHT, GENERATOR FAILED (CAUTION LIGHT ILLUMINATED). WOULD NOT RESET. AIRCRAFT LANDED AT MULTI-SHIP PLATFORM AS SOON AS PRACTICAL. CALLED MAINTENANCE - [SDR ALG2005F00058](https://openairdocs.org/sdr/ALG2005F00058), Aug 4, 2005: BLEED VALVE. FAILED. DURING OPS FLIGHT CHECK, WHILE ACCELERATING, (CHECK INSTRUMENT LIGHT) ILLUMINATED, THE PILOT IMMEDIATELY REDUCED POWER AND THE COMPRESSOR STALLED. PILOT RETURNE - [SDR ALGA100723](https://openairdocs.org/sdr/ALGA100723), Apr 28, 2005: PITCH LINK. BINDING. BINDING, ROUGH, AXIAL PLAY BEYOND MAX. REPLACED WITH NEW BY FIELD MAINTENANCE. - [SDR ALGA098480](https://openairdocs.org/sdr/ALGA098480), Dec 10, 2004: BEARING. VIBRATION. FAILED VIBRATION CHECK. REPLACED WITH NEW BY FIELD MAINTENANCE. - [SDR ALGA098477](https://openairdocs.org/sdr/ALGA098477), Dec 10, 2004: BEARING. VIBRATION. FAILED VIBRATION CHECK. REPLACED WITH NEW BY FIELD MAINTENANCE. - [SDR ALGA098476](https://openairdocs.org/sdr/ALGA098476), Dec 10, 2004: BEARING. WORN. FAILED VIBRATION CHECK. REPLACED WITH NEW BY FIELD MAINTENANCE. - [SDR ALGA094108](https://openairdocs.org/sdr/ALGA094108), Apr 12, 2004: BEARING. DEFECTIVE. HBMV FAULT LIGHT NR 2 BEARING (AFT) REMOVED AND REPLACED WITH NEW PART. - [SDR ALGA093891](https://openairdocs.org/sdr/ALGA093891), Mar 22, 2004: BEARING. DAMAGED. FOUND GREASE DISCOLORATION ON NR 2 BEARING HBVM LIGHT. - [SDR ALGA088784](https://openairdocs.org/sdr/ALGA088784), Aug 18, 2003: CHANNEL. CRACKED. CHANNEL CRACKED LOWER EDGE AND MIDDLE CHANNEL. PROBABLE CAUSE IS ASB407-02-54. REC. DOUBLERS AT RECEPTICALE AREAS. - [SDR ALGA088783](https://openairdocs.org/sdr/ALGA088783), Aug 18, 2003: CHANNEL. CRACKED. CHANNEL CRACKED LOWER EDGE AND MIDDLE DZUS RECEPTICALES AREA. PROBABLE CAUSE IS ASB407-02-54. REC. DOUBLERS AT RECEPTICALE AREAS. - [SDR ALGA088782](https://openairdocs.org/sdr/ALGA088782), Aug 18, 2003: SUPPORT. CRACKED. SUPPORT CRACKED AT DZUS RECEPTICALES. PROBABLE CAUSE IS ASB407-02-54. REC. DOUBLERS AT RECEPTICALE AREAS. - [SDR ALGA087896](https://openairdocs.org/sdr/ALGA087896), Jul 1, 2003: PINION GEAR. GALLED. ENGINE REMOVED DUE TO METAL IN OIL. CAUSE FOUND TO BE GALLING ON PINION GER TEETH. REMOVED AND REPLACED PINION GEAR. - [SDR ALGA084686](https://openairdocs.org/sdr/ALGA084686), Feb 21, 2003: PINION GEAR. WORN. FOUND PINION GEARS SHOWING HEAVY WEAR ON DRIVE SIDE. THIS IS A REOCCURRING EVENT. - [SDR ALGA081625](https://openairdocs.org/sdr/ALGA081625), Dec 11, 2002: UNIVERSAL. WORN. FOUND BEARINGS WORN. BEARINGS HAS A 5000 HR. RETIREMENT LIFE. - [SDR ALG2003F00070](https://openairdocs.org/sdr/ALG2003F00070), Jul 22, 2002: BEARING. FAILED. DURING CRUISE FLIGHT THE PILOT FELT A SEVERE VIBRATION IN THE AIRFRAME AND PERFORMED A PRECAUTIONARY LANDING ON A NEARBY PLATFORM. FORWARD BEARING ON NR 2 TAILR - [SDR ALG2002F00003](https://openairdocs.org/sdr/ALG2002F00003), Dec 18, 2001: LINK. CORRODED. IN SHOP REPAIR, EXCESSIVE CORROSION AROUND BUSHINGS AND UNDER BUSHINGS. BETTER ALLOYS, BETTER PRIMER AND SURFACE TREATMENT RECOMMENDED. - [SDR 2001F00612](https://openairdocs.org/sdr/2001F00612), Aug 23, 2001: DISC PACK. CRACKED. DURING 25 HOUR AD INSPECTION, THE COUPLING IS CRACKED, PROBABLE CAUSE IS EXCESSIVE RIGIDITY IN THE BEARING MOUNT SYSTEM. ALLOW TAILROTOR DRIVESHAFT TO FLOAT SO - [SDR ALG2001F00016](https://openairdocs.org/sdr/ALG2001F00016), Jul 14, 2001: DISC PACK. CRACKED. DURING 25 HOUR AD INSPECTION FOUND DISC PACK CRACKED. RECOMMENDATION TO PREVENT RECURRENCE: ALLOW TAIL ROTOR DRIVE TO FLOAT SO DISC PACKS DO NOT FLEX AS MUCH OR - [SDR 2000ZZZX812](https://openairdocs.org/sdr/2000ZZZX812), Dec 27, 1999: HOUSING. MISMANUFACTURED. DEFECT FOUND WHEN OLD COATING WAS REMOVED. FOUND THICKNESS OF PARENT METAL BELOW SPECS (PART WAS MANUFACTURED BELOW MINIMUM SPECS). - [SDR 99ZZZX4592](https://openairdocs.org/sdr/99ZZZX4592), Oct 6, 1999: HOUSING. CRACKED. DURING DAILY INSPECTION, FOUND CRACKED BLOWER HOUSING. - [SDR 99ZZZX4568](https://openairdocs.org/sdr/99ZZZX4568), Sep 25, 1999: DISC PACK. CRACKED. DURING 25-HOUR AD INSPECTION, FOUND AFT DISC IN PACK CRACKED IN HALF. - [SDR 99ZZZX908](https://openairdocs.org/sdr/99ZZZX908), Mar 8, 1999: SKIN. CRACKED. AFTER FINAL FLIGHT OF THE DAY DURING POST-FLIGHT INSPECTION, A CRACK IN THE TAILBOOM, PN 407-030-801-101, SN 53239, TT: 1,621.3 HOURS, WAS FOUND. THE CRACK INIT - [SDR 99ZZZX1243](https://openairdocs.org/sdr/99ZZZX1243), Mar 5, 1999: SKIN. CRACKED. DURING A POST-FLIGHT INSPECTION, FOUND CRACK IN TAILBOOM SKIN AT FORWARD EDGE OF HORIZONTAL STABILIZER MOUNT AREA ON LEFT HAND SIDE. - [SDR 99ZZZX1244](https://openairdocs.org/sdr/99ZZZX1244), Feb 14, 1999: DISC PACK. CRACKED. DISCOVERED DURING 25-HOUR AD 97-24-17, PARAGRAPHS A, B, AND E. FOUND NR 7 DISC PACK CRACKED. NR 1 DISC CRACKED FORWARD DISC OF NR 7 DISC PACK. - [SDR 99ZZZX407](https://openairdocs.org/sdr/99ZZZX407), Dec 28, 1998: ANGLE. CRACKED. DURING DAILY INSPECTION, FOUND CRACK IN BEND RADIUS. - [SDR 98ZZZX4742](https://openairdocs.org/sdr/98ZZZX4742), Nov 2, 1998: GEAR. GALLED. ENGINE MADE CHIP LIGHT. UPON DISASSSEMBLY AND INSPECTION OF PARTS, FOUND EXCESSIVE GALLING ON PINION GEAR AND T/M GEAR. PINION GEAR HAS EXCESSIVE GALLING ON GEA - [SDR 98ZZZX3362](https://openairdocs.org/sdr/98ZZZX3362), Jul 24, 1998: BOLT. LOOSE. BLEED VALVE WAS SET UP ON TEST BENCH AND A RE-ALIGNMENT OF 90 DEGREE ELBOW WAS NEEDED TO INSTALL TEST ORIFICE AND JUMPER TUBE AND NOTICED THAT UPON SLIGHT TENSI - [SDR 98ZZZX3354](https://openairdocs.org/sdr/98ZZZX3354), Jul 2, 1998: DISC. CRACKED. SCHEDULED INSPECTION FOUND DISC PACK CRACKED. - [SDR 98ZZZX3353](https://openairdocs.org/sdr/98ZZZX3353), Jul 2, 1998: DISC. CRACKED. SCHEDULED INSPECTION FOUND NR 7 SHAFT DISC PACK CRACKED. - [SDR 98ZZZX2079](https://openairdocs.org/sdr/98ZZZX2079), May 10, 1998: DISC PACK. CRACKED. DURING DAILY INSPECTION, NR 3 DISC PACK P/N 406-040-340-101 FOUND CRACKED - LOCATED FORWARD END OF AFT SHORT SHAFT P/N 407-040-325-101. NUMBER OF DISCS IN PACK, ## STCs that may be installed (OpenAirDocs) None matched to this aircraft's models. ## Related - Other Zipline International P2 ZIP aircraft: https://openairdocs.org/model/zipline-international-p2-zip/aircraft.md --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.