# N55511: 1942 Boeing A75N1(PT17)

- Status: Valid registration
- Airframe: [Boeing A75N1(PT17)](https://openairdocs.org/model/boeing-a75n1-pt17) (registry code 1380134, 2 seats)
- Engine: [Lycoming R680](https://openairdocs.org/engine/lycoming-r680) (registry code 41540)
- Data sheets: [TCDS A-743](https://openairdocs.org/tcds/A-743) (The Boeing Company), [TCDS ATC 42 Textron Lycoming](https://openairdocs.org/tcds/ATC%2042%20Textron%20Lycoming) (Textron Lycoming AVCO Corporation) (OpenAirDocs)
- Serial number: 75-4231
- Year built: 1942
- Type: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Standard, acrobatic
- Airworthiness date: July 6, 2001
- Certificate issued: April 5, 2023
- Expires: April 30, 2030
- Mode S code: A71493
- Registered owner: [Hotel Charlie LLC](https://openairdocs.org/faa-owner/HOTEL%20CHARLIE%20LLC)
- Location: [Lewes, DE](https://openairdocs.org/faa-place/DE/Lewes)
- Owner type: LLC
- Owner's area on the map: 38.7287° N, 75.1685° W: Placed by OpenAirDocs at the center of ZIP code 19958, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55511
- Page: https://openairdocs.org/aircraft/N55511

From the FAA registry file of October 21, 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): 11 in force

### Matched by airframe (Boeing A75N1(PT17))

- [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 63-13-01](https://openairdocs.org/ad/63-13-01): Propeller Inspection · Boeing Airplane Company, Wichita Division 75 (Army PT-13), A75 (Army PT-13A, -13B, -13C), A75J1 (Army PT-18) and 9 more. Effective Jun 21, 1963
- [AD 60-08-02](https://openairdocs.org/ad/60-08-02): Longeron Cracks · Boeing Airplane Company, Wichita Division 75 (Army PT-13), A75 (Army PT-13A, -13B, -13C), A75J1 (Army PT-18) and 9 more
- [AD 50-06-02](https://openairdocs.org/ad/50-06-02): Wing Spar Inspection · Boeing Airplane Company, Wichita Division 75 (Army PT-13), A75 (Army PT-13A, -13B, -13C), A75J1 (Army PT-18) and 9 more
- [AD 49-23-01](https://openairdocs.org/ad/49-23-01): Fuselage Truss · Boeing Airplane Company, Wichita Division 75 (Army PT-13), A75 (Army PT-13A, -13B, -13C), A75J1 (Army PT-18) and 9 more
- [AD 46-24-01](https://openairdocs.org/ad/46-24-01): Wing Drain Holes · Boeing Airplane Company, Wichita Division 75 (Army PT-13), A75 (Army PT-13A, -13B, -13C), A75J1 (Army PT-18) and 6 more

### Matched by engine (Lycoming R680)

- [AD 2012-03-07](https://openairdocs.org/ad/2012-03-07): Carburetor · Lycoming Engines GO-435, GO-435-C2 (O-435-17), GO-435-C2A and 389 more. Effective Mar 27, 2012
- [AD 2004-10-14](https://openairdocs.org/ad/2004-10-14): Crankshaft gear · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 642 more. Effective Jun 25, 2004
- [AD 95-26-02](https://openairdocs.org/ad/95-26-02): Aviation Gasoline · Lycoming Engines IO-320-B1A, IO-320-B1B, IO-320-B1C and 182 more. Effective Jan 24, 1996
- [AD 90-04-06 R1](https://openairdocs.org/ad/90-04-06-R1): Propeller Governor External Oil Line · Lycoming Engines AEIO-320-D1B, AEIO-320-D2B, AEIO-320-E1A and 427 more. Effective May 28, 1991
- [AD 66-06-03](https://openairdocs.org/ad/66-06-03): Connecting Rod Assemblies · Lycoming Engines GO-435-C2 (O-435-17), GO-435-C2A, GO-435-C2A2 and 317 more. Effective Jan 16, 1969

## Information bulletins (advisory) (1 in force)

- [SAIB SW-17-28](https://openairdocs.org/saib/SW-17-28): Fuel Quantity Indicator. Issued Oct 10, 2017

## NTSB investigations

None matched to N55511.

## FAA accident and incident reports

None matched to N55511.

## Service difficulty reports

None filed for this aircraft.

## Related

- Other Boeing A75N1(PT17) aircraft: https://openairdocs.org/model/boeing-a75n1-pt17/aircraft.md
- STCs for the Boeing A75N1(PT17): https://openairdocs.org/model/boeing-a75n1-pt17/stcs.md
- The Lycoming R680 engine: https://openairdocs.org/engine/lycoming-r680.md

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