N476SM is a 1975 Piper PA-18-150 (fixed wing single engine) with serial number 18-7509080, registered in Wilmington, DE. Its FAA registration is valid and runs until Jun 30, 2027; the renewal window opens on Dec 30, 2026. It is powered by a Lycoming 0-320 SERIES rated at 180 hp. Its airworthiness certificate is in the multiple class (standard, restricted, aerial advertising), issued Aug 24, 1988. It is one of 2,054 PA-18-150 aircraft in the FAA registry, 31 of them registered in Delaware. About 33% of them were built after it. The NTSB accident database lists one record for this airframe since 2008, the latest on Aug 14, 2025.
Registration
- FAA status
- Valid registration
- Expires
- Jun 30, 2027
- Registrant type
- LLC
- Registered owner
- TAIL SLIDE AVIATION LLC
- Location
- Wilmington, DE
- Local FAA office (FSDO)
- Philadelphia FSDO (PHL FSDO) · (610) 595-2440
- Certificate issued
- Jun 21, 2017
- Last FAA action
- May 3, 2024
- Mode S code (hex)
- A5D900
- Mode S code (octal)
- 51354400
- Official record
- registry.faa.gov
Aircraft
- Manufacturer
- PIPER
- Model
- PA-18-150
- Type certificate (TCDS)
- 1A2 (Piper Aircraft Inc.)
- Year manufactured
- 1975
- Serial number
- 18-7509080
- Aircraft type
- Fixed wing single engine
- Engine type
- Reciprocating
- Engine
- LYCOMING 0-320 SERIES (180 hp)
- Engines / seats
- 1 / 2
- Weight class
- Up to 12,499 lb
- Airworthiness
- Multiple since Aug 24, 1988
- Approved operations
- Standard, Restricted, Aerial advertising
Public airports near Wilmington
| Airport | ID | Distance | Tower | Fuel |
|---|---|---|---|---|
| New Castle Wilmington, DE | KILG | 6 mi | Towered | 100LL, A |
| New Garden Toughkenamon, PA | N57 | 14 mi | Non-towered | 100LL |
| Philadelphia Essington, PA | 9N2 | 15 mi | Non-towered | - |
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. |
|---|---|---|---|---|---|
| Aug 14, 2025 | Joliet, IL | Piper PA-18-150 this airframe | Substantial | None | CEN25LA322 |
From the NTSB aviation accident database (events since 2008, data through Oct 28, 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.