# N749NL: 1949 Lockheed 749-79

- Status: Valid registration
- Airframe: [Lockheed 749-79](https://openairdocs.org/model/lockheed-749-79) (registry code 5262002, 63 seats)
- Engine: [Wright C18BD series](https://openairdocs.org/engine/wright-c18bd-series) (registry code 67033)
- Data sheets: [TCDS A-763](https://openairdocs.org/tcds/A-763) (Lockheed Martin Aeronautics Company) (OpenAirDocs)
- Serial number: 2604
- Year built: 1949
- Type: Fixed wing multi engine
- Engine type: Reciprocating
- Airworthiness: Experimental, exhibition
- Airworthiness date: August 21, 2002
- Certificate issued: January 8, 2013
- Expires: January 31, 2029
- Mode S code: AA1530
- Registered owner: [Aircraft Guaranty Corp Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORP%20TRUSTEE)
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)
- Owner type: Corporation
- Owner's area on the map: 35.3253° N, 97.5522° W: Placed by OpenAirDocs at the center of ZIP code 73170, 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=749NL
- Page: https://openairdocs.org/aircraft/N749NL

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 Wright C18BD model are included.

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

### Matched by airframe (Lockheed 749-79)

- [AD 2026-13-02](https://openairdocs.org/ad/2026-13-02): Navigation · Airbus Canada Limited Partnership 18, 49-46, 80-A and 555 more. Effective Jul 1, 2026
- [AD 2023-10-02](https://openairdocs.org/ad/2023-10-02): Indicating/Recording System, Navigation · Boeing 18, 23, 35 and 1,060 more. Effective May 26, 2023
- [AD 93-14-12](https://openairdocs.org/ad/93-14-12): Crewmember Protective Breathing Equipment Units · Airbus A300 B2-1A, A300 B2-1C, A300 B2-203 and 201 more. Effective Sep 2, 1993
- [AD 71-07-02](https://openairdocs.org/ad/71-07-02): Obstacle Clearance Profile · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 12 more. Effective Apr 3, 1971
- [AD 67-03-05](https://openairdocs.org/ad/67-03-05): Propeller Vibratory Stresses · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 9 more. Effective Jan 23, 1967
- [AD 64-13-03](https://openairdocs.org/ad/64-13-03): Nose Landing Gear Rod Ends · Lockheed 1049-54, 1049C-55, 1049D-55 and 9 more. Effective Jun 12, 1964
- [AD 64-07-04](https://openairdocs.org/ad/64-07-04): Flight Control Boost Systems · Lockheed 1049-54, 1049C-55, 1049D-55 and 9 more. Effective Apr 14, 1964
- [AD 64-03-03](https://openairdocs.org/ad/64-03-03): Blades · Boeing DC-6, DC-6A, DC-6B and 26 more. Effective Mar 1, 1964
- [AD 64-02-05](https://openairdocs.org/ad/64-02-05): Openable Window in the Crew Exit · Overhead emergency exit hatch between fuselage station 278.4… (Flying Tiger Line STC SA4-948). Effective Jan 10, 1964
- [AD 63-25-02](https://openairdocs.org/ad/63-25-02): Nose Landing Gear · Lockheed 1049-54, 1049C-55, 1049D-55 and 9 more. Effective Dec 30, 1963
- [AD 62-26-03](https://openairdocs.org/ad/62-26-03): Main Landing Gear Crossheads · Lockheed 1049-54, 149-46, 49-46 and 4 more. Effective Jan 7, 1963
- [AD 62-19-02](https://openairdocs.org/ad/62-19-02): Main Landing Gear Pistons · Lockheed 149-46, 49-46, 649-79 and 3 more. Effective Sep 24, 1962
- [AD 62-01-02](https://openairdocs.org/ad/62-01-02): Main Landing Gear Cylinders · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 11 more. Effective Jan 9, 1962
- [AD 61-24-04](https://openairdocs.org/ad/61-24-04): Horizontal Stabilizer Rear Spar · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 11 more. Effective Dec 14, 1961
- [AD 61-19-03](https://openairdocs.org/ad/61-19-03): Elevator Bolt Inspection · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 11 more. Effective Sep 8, 1961
- [AD 53-05-01](https://openairdocs.org/ad/53-05-01): Propellers Slip Rings · Aero Spacelines 377, 377MG, 377SGT and 6 more
- [AD 60-10-04](https://openairdocs.org/ad/60-10-04): Fuselage Aft Pressure Bulkhead · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 12 more
- [AD 60-04-04](https://openairdocs.org/ad/60-04-04): Landing Gear Cylinders · Lockheed 149-46, 49-46, 649-79 and 3 more
- [AD 59-26-07](https://openairdocs.org/ad/59-26-07): Door Latch Brackets · Lockheed 1049-54, 1049C-55, 649-79 and 3 more
- [AD 59-12-02](https://openairdocs.org/ad/59-12-02): Bathtub Fitting · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 11 more
- [AD 59-03-02](https://openairdocs.org/ad/59-03-02): Landing Gear Downlock Guide · Lockheed 1049-54, 149-46, 49-46 and 4 more
- [AD 58-21-01](https://openairdocs.org/ad/58-21-01): Bulkhead Corrosion Inspection · Lockheed 1049-54, 1049C-55, 1049D-55 and 10 more
- [AD 58-20-03](https://openairdocs.org/ad/58-20-03): Bulkhead Corrosion Inspection · Lockheed 149-46, 49-46, 649-79 and 3 more
- [AD 58-01-05](https://openairdocs.org/ad/58-01-05): Wing Skin and Stringer Inspection · Lockheed 1049-54, 149-46, 49-46 and 4 more
- [AD 57-03-03](https://openairdocs.org/ad/57-03-03): Micronic Filter Cover · Boeing DC-7, DC-7B, DC-7C and 16 more
- [AD 57-03-02](https://openairdocs.org/ad/57-03-02): Fuel Strainer Screen · Boeing DC-7, DC-7B, DC-7C and 15 more
- [AD 56-25-04](https://openairdocs.org/ad/56-25-04): Flap Symmetry · Lockheed 1049-54, 1049C-55, 149-46 and 5 more
- [AD 56-16-02](https://openairdocs.org/ad/56-16-02): Automatic Pilot Servo Brackets · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 11 more
- [AD 55-23-03](https://openairdocs.org/ad/55-23-03): Landing Gear Cylinder Assy. · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 10 more
- [AD 55-17-01](https://openairdocs.org/ad/55-17-01): Flap Torque Tube Bolts · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 10 more
- [AD 55-15-06](https://openairdocs.org/ad/55-15-06): Cooling Air System Rework · Lockheed 1049C-55, 1049D-55, 1049E-55 and 6 more
- [AD 54-24-03](https://openairdocs.org/ad/54-24-03): Main Landing Gear Actuating Cylinder Assembly · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 8 more
- [AD 54-22-01](https://openairdocs.org/ad/54-22-01): Flexible Hose Replacement · Lockheed 1049-54, 1049B-55 (Navy R7V-1), 1049C-55 and 7 more
- [AD 53-15-02](https://openairdocs.org/ad/53-15-02): Wing Lower Front Spar Cap · Lockheed 149-46, 49-46, 649-79 and 3 more
- [AD 52-12-03](https://openairdocs.org/ad/52-12-03): Bulkhead Ring and Bracket · Lockheed 149-46, 49-46, 649-79 and 3 more
- [AD 49-52-01](https://openairdocs.org/ad/49-52-01): Elevator Booster System Rework · Lockheed 149-46, 49-46, 649-79 and 3 more
- [AD 49-41-01](https://openairdocs.org/ad/49-41-01): Curtiss C632S-A Propeller Hub · Lockheed 649-79, 749-79 and 749A-79
- [AD 49-05-01](https://openairdocs.org/ad/49-05-01): Curtiss 850-4C2-0 Propeller Blades · Lockheed 749-79 and 749A-79
- [AD 48-33-01](https://openairdocs.org/ad/48-33-01): Fuel System Placards · Lockheed 149-46, 49-46, 649-79 and 1 more
- [AD 48-27-03](https://openairdocs.org/ad/48-27-03): Propeller Hub Peening · Lockheed 649-79 and 749-79
- [AD 48-26-01](https://openairdocs.org/ad/48-26-01): Engine Speed Restrictions-Curtiss Prop · Lockheed 649-79 and 749-79
- [AD 48-19-02](https://openairdocs.org/ad/48-19-02): Elevator Lever · Lockheed 149-46, 49-46, 649-79 and 1 more
- [AD 48-12-03](https://openairdocs.org/ad/48-12-03): Smoke Detector System · Lockheed 649-79 and 749-79
- [AD 47-49-12](https://openairdocs.org/ad/47-49-12): Landing Gear Doors · Lockheed 49-46, 649-79 and 749-79
- [AD 47-49-11](https://openairdocs.org/ad/47-49-11): Fuel System Inspection · Lockheed 49-46, 649-79 and 749-79
- [AD 47-49-09](https://openairdocs.org/ad/47-49-09): Wing Attaching Pins · Lockheed 49-46, 649-79 and 749-79

### Matched by engine (Wright C18BD series)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N749NL.

## FAA accident and incident reports

None matched to N749NL.

## 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.

## STCs that may be installed (OpenAirDocs) (10)

Approved for this aircraft's airframe or engine model, in force first, then newest. The registry doesn't record which STCs an aircraft has; its records do.

### Approved for the airframe (Lockheed 749-79)

- [STC ST12461IB](https://openairdocs.org/stc/ST12461IB): Installation of Cockpit Voice Recorder with optional RIPS Upgrade. Mid- Canada Mod Center
- [STC SA01967WI](https://openairdocs.org/stc/SA01967WI): Use of GAMI G100UL High Octane Unleaded Avgas. General Aviation Modifications Inc
- [STC SA1-605](https://openairdocs.org/stc/SA1-605): 2015 Series radomes. Saint-Gobain Performance Plastics Corp
- [STC SA3-203](https://openairdocs.org/stc/SA3-203): Smoke detection for cargo compartment. Trans World Airlines Inc
- [STC SA354WE](https://openairdocs.org/stc/SA354WE): Observer's jump seat. California Airmotive Corporation
- [STC SA4-1500](https://openairdocs.org/stc/SA4-1500): Interior modification for 98 passengers, maximum occupants including crew. Great Lakes Airlines Inc
- [STC SA546WE](https://openairdocs.org/stc/SA546WE): Modification of crew entrance door window mechanism. Gamco Precision
- [STC SA642WE](https://openairdocs.org/stc/SA642WE): Operation with mixed Hamilton Standard 43E60/6901 and43E60/6903 propellers. California Airmotive Corporation
- [STC SA83SO](https://openairdocs.org/stc/SA83SO): Oil separator B-300-1. Air Carrier Eng Service Inc
- [STC SA1-480](https://openairdocs.org/stc/SA1-480): Smoke detector system in cargo compartments Class B. Flight Enterprises Intl Aircraft Svcs Inc

## Related

- Other Lockheed 749-79 aircraft: https://openairdocs.org/model/lockheed-749-79/aircraft.md
- The Wright C18BD series engine: https://openairdocs.org/engine/wright-c18bd-series.md

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