N5521N is a 1943 Boeing B75N1 (fixed wing single engine) with serial number 75-7931, registered in St Louis, MO. Its FAA registration is valid and runs until Oct 31, 2028; the renewal window opens on Apr 30, 2028. It is powered by a Cont Motor W670 SERIES rated at 250 hp. Its airworthiness certificate is in the standard class (normal), issued Oct 3, 1969. It is one of 241 B75N1 aircraft in the FAA registry, 4 of them registered in Missouri. About 3% of them were built after it. The NTSB accident database lists one record for this airframe since 2008, the latest on Nov 22, 2009.
Registration
- FAA status
- Valid registration
- Expires
- Oct 31, 2028
- Registrant type
- Individual
- Registered owner
- Individual owner, name not shown
- Location
- St Louis, MO
- Local FAA office (FSDO)
- St. Louis FSDO (STL FSDO) · (314) 890-4800, (800) 322-8876
- Certificate issued
- Nov 5, 1975
- Last FAA action
- Jun 16, 2023
- Mode S code (hex)
- A70961
- Mode S code (octal)
- 51604541
- Official record
- registry.faa.gov
Aircraft
- Manufacturer
- BOEING
- Model
- B75N1
- Type certificate (TCDS)
- A-743 (The Boeing Company)
- Year manufactured
- 1943
- Serial number
- 75-7931
- Aircraft type
- Fixed wing single engine
- Engine type
- Reciprocating
- Engine
- CONT MOTOR W670 SERIES (250 hp)
- Engines / seats
- 1 / 2
- Weight class
- Up to 12,499 lb
- Airworthiness
- Standard since Oct 3, 1969
- Approved operations
- Normal
Public airports near St Louis
| Airport | ID | Distance | Tower | Fuel |
|---|---|---|---|---|
| St Louis Downtown Cahokia/St Louis, IL | KCPS | 7 mi | Towered | 100LL, A |
| St Louis Lambert International St Louis, MO | KSTL | 10 mi | Towered | 100LL, A |
| Creve Coeur St Louis, MO | 1H0 | 16 mi | Non-towered | 100LL, A |
Straight-line distance from the registration city, from the FAA airport directory (NASR). The registry does not say where an aircraft is based.
NTSB accident and incident records
| Date | Place | Aircraft (as NTSB recorded it) | Damage | Highest injury | NTSB no. |
|---|---|---|---|---|---|
| Nov 22, 2009 | St. Louis, MO | Boeing B75N1 this airframe | Substantial | None | CEN10CA060 |
From the NTSB aviation accident database (events since 2008, data through Sep 29, 2026), matched by N-number. An N-number can move between aircraft, so each row is checked against the serial number on the current registration.