# N129MR: Aerovodochody L-29 DELFIN - Status: Valid registration - Airframe: [Aerovodochody L-29 DELFIN](https://openairdocs.org/model/aerovodochody-l-29-delfin) (registry code 0564310, 2 seats) - Engine: [Motorlet M-701C](https://openairdocs.org/engine/motorlet-m-701c) (registry code 46000) - Serial number: 1234 - Type: Fixed wing single engine - Engine type: Turbo-jet - Airworthiness: Experimental, exhibition - Airworthiness date: October 20, 1999 - Certificate issued: August 9, 2022 - Expires: August 31, 2029 - Mode S code: A07644 - Registered owner: [Race55sh LLC](https://openairdocs.org/faa-owner/RACE55SH%20LLC) - Location: [Friendswood, TX](https://openairdocs.org/faa-place/TX/Friendswood) - Owner type: LLC - Owner's area on the map: 29.5111° N, 95.1930° W: Placed by OpenAirDocs at the center of ZIP code 77546, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based - FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=129MR - Page: https://openairdocs.org/aircraft/N129MR 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 (Aerovodochody L-29 DELFIN) None in force. ### Matched by engine (Motorlet M-701C) None in force. ## Information bulletins (advisory) None matched. ## NTSB investigations None matched to N129MR. ## FAA accident and incident reports (1) 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 20210504005239I](https://openairdocs.org/incident/20210504005239I), May 4, 2021: Aerovodochody L-29 DELFIN (N129MR), Hollister, CA, Minor damage. The landing gear did not come down. The main hydraulic pressure hose of the L-29 failed when the hose broke off in the hose fitting. The result was the normal… ## 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 N129MR not matched to an aircraft (29) They name N129MR, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft. - [SDR HEEA088457](https://openairdocs.org/sdr/HEEA088457), Jul 8, 2003: INDICATOR. STICKING. FUEL QTY INDICATOR STICKS. - [SDR HEEA088055](https://openairdocs.org/sdr/HEEA088055), Jul 4, 2003: PUMP. NOISY. HYD PUMP PRODUCING A HIGH PITCH SQUEAL. SHOP REPAIR. - [SDR HEEA087978](https://openairdocs.org/sdr/HEEA087978), Jun 26, 2003: ACTUATOR. INOPERATIVE. MAIN ROTOR ACTUATOR INOPERATIVE. - [SDR HEEA087262](https://openairdocs.org/sdr/HEEA087262), Jun 11, 2003: CAP. LEAKING. FUEL CAP LEAKING AROUND STEM. REPLACED WITH SERVICEABLE PART. - [SDR HEEA087246](https://openairdocs.org/sdr/HEEA087246), Jun 10, 2003: GYRO. PRECESSES. DIRECTIONAL GYRO PRECESSES. SHOP REPAIR. - [SDR HEEA083563](https://openairdocs.org/sdr/HEEA083563), Jan 13, 2003: BLADE. SEPARATED. TIP CAP OF BLADE IS SEPARATED AT THE OUTBOARD END. - [SDR HEEA083012](https://openairdocs.org/sdr/HEEA083012), Jan 6, 2003: BEARING. SEPARATED. BEARING ELASTOMER SEPARATED AROUND TRUNNION SPINDLE AREA. - [SDR HEEA080693](https://openairdocs.org/sdr/HEEA080693), Jul 30, 2002: COMPUTER. FAILED. INTELLASTAR PROCESSOR INTERNAL BATTERY DEAD. - [SDR HEEA079403](https://openairdocs.org/sdr/HEEA079403), May 28, 2002: GPS. INOPERATIVE. GPS RECEIVER NAV BUTTON SWITCH INOPERATIVE. - [SDR HEEA075615](https://openairdocs.org/sdr/HEEA075615), Aug 28, 2001: RECEIVER. MALFUNCTIONED. CLEARS ITSELF WHEN TURNED OFF, HAS TO HAVE MGUA CODE ENTERED AND UNABLE TO DISABLE SAFEGUARD. PERFORMED PRELIMINARY INSPECTION. CLEANED MEMORY AND REPROGRAMMED. - [SDR HEEA072143](https://openairdocs.org/sdr/HEEA072143), Apr 6, 2001: GPS. MALFUNCTIONED. FLASHES WARNING. SENT TO TRIMBLE NAVIGATION FOR INSPECTION AND REPAIR. - [SDR HEEA063239](https://openairdocs.org/sdr/HEEA063239), Aug 9, 1999: FLOAT. LEAKING. AFT FLOAT BAG COMPARTMENT HAS A LEAK. DATE OF MFG 11-94. - [SDR HEEA062860](https://openairdocs.org/sdr/HEEA062860), Jul 12, 1999: STEP. CORRODED. LEFT AND RIGHT CABIN STEPS CORRODED BEYOND LIMITS. - [SDR HEEA062859](https://openairdocs.org/sdr/HEEA062859), Jul 12, 1999: STEP. CORRODED. LEFT AND RIGHT CABIN STEPS CORRODED BEYOND LIMITS. - [SDR HEEA062828](https://openairdocs.org/sdr/HEEA062828), Jul 12, 1999: CROSSTUBE. CORRODED. CROSSTUBE CORRODED BEYOND LIMITS UNDER SUPPORT PAD. REPLACED WITH SERVICEABLE CROSSTUBE. - [SDR HEEA062827](https://openairdocs.org/sdr/HEEA062827), Jul 12, 1999: TUBE. CORRODED. SKID TUBE CORRODED BEYOND LIMITS. REPLACED WITH SERVICEABLE SKID TUBE. - [SDR HEEA061581](https://openairdocs.org/sdr/HEEA061581), Apr 2, 1999: FLOAT BAG ASSY. FAILED. FLOAT BAG ASSEMBLY DID NOT PASS FLOAT INSPECTION, FRONT SECTION LEAKING. - [SDR HEEA060382](https://openairdocs.org/sdr/HEEA060382), Jan 28, 1999: ACTUATOR. FAILED. ACTUATOR WILL NOT ACTUATE. - [SDR HEEA060170](https://openairdocs.org/sdr/HEEA060170), Jan 22, 1999: GPS RECEIVER. MALFUNCTIONED. GPS RECEIVER HAD BATTERY WARNING. RECEIVER FAIL WARNING. FOUND GLASS BROKEN ON LED SEGMENT. - [SDR HEEA0014627](https://openairdocs.org/sdr/HEEA0014627), Jun 8, 1998: REGULATOR. INOPERATIVE. GENERATOR WILL NOT COME ON LINE. - [SDR HEEA0012964](https://openairdocs.org/sdr/HEEA0012964), Feb 10, 1998: RESTRAINT. WORN. BEARINGS WORN BEYOND LIMITS. - [SDR HEEA0012759](https://openairdocs.org/sdr/HEEA0012759), Feb 3, 1998: SUPPORT. DAMAGED. RECEIVING INSPECTION REVEALED: DAMAGED ON GP SUPPORT AFT FLANGE. INSTALLED A DALLAS AIRMOTIVE OVERHAULED GP SUPPORT. - [SDR HEEA0012394](https://openairdocs.org/sdr/HEEA0012394), Dec 31, 1997: TRANSPONDER. FAILED. TRANSPONDER INOPERATIVE. PERFORMED PRELIMINARY INSPECTION. FOUND Q402 LOOSE IN UNIT. RESOLDERED Q402. UNIT NOW MAKING NOISE. TROUBLESHOT; SWAPPED OUT T401. REPL - [SDR HEEA0010257](https://openairdocs.org/sdr/HEEA0010257), Jun 25, 1997: LINK ASSY. DELAMINATED. LINK ASSY BEARINGS TORN AND DELAMINATED. - [SDR HAIHEEA9352](https://openairdocs.org/sdr/HAIHEEA9352), Apr 15, 1997: BEARING. DEFECTIVE. OUTER AND INNER RACE OF BEARING BREAKING DOWN. REPLACED WITH SERVICEABLE DUPLEX BEARING. - [SDR HEEA979185](https://openairdocs.org/sdr/HEEA979185), Mar 12, 1997: TRANSCEIVER. FAILED. FAILS TO IDENT. FOUND UNIT NOT RECEIVING OR TRANSMITTING. FOUND -6.2V LINE BAD. FOUND LEGS OF TRANSISTOR Q402 BROKEN WHEN REMOVING FOR CHECKING. REPLACED TRANSI - [SDR HEEA968395](https://openairdocs.org/sdr/HEEA968395), Oct 23, 1996: BEARING. MAKING METAL. ENGINE REMOVED DUE TO METAL IN OIL. UPON INSPECTION OF GEARBOX PARTS NOTED: (1) METAL SLIVERS ON #3 BEARING INNER RACE (2) CRACKED ROLLER RETAINER & METAL SLIVE - [SDR HEEA968394](https://openairdocs.org/sdr/HEEA968394), Oct 23, 1996: BEARING. MAKING METAL. ENGINE REMOVED DUE TO METAL IN OIL. UPON INSPECTION OF GEARBOX PARTS NOTED: (1) METAL SLIVERS ON #3 BEARING INNER RACE (2) CRACKED ROLLER RETAINER & METAL SLIVE - [SDR HEEA967473](https://openairdocs.org/sdr/HEEA967473), Jun 24, 1996: INDICATOR. FAILED. INDICATES OVER 10 DEGREES LOW IN EXPANDED SCALE ON INITIAL START. ## STCs that may be installed (OpenAirDocs) None matched to this aircraft's models. ## Related - Other Aerovodochody L-29 DELFIN aircraft: https://openairdocs.org/model/aerovodochody-l-29-delfin/aircraft.md - The Motorlet M-701C engine: https://openairdocs.org/engine/motorlet-m-701c.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.