- Registered owner
- Vi 1 LLC
- Location
- Brewster, WA
- Owner type
- LLC
- Serial number
- 57-1717
- Year built
- 1957
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness
- Standard, normal
- Airworthiness date
- August 10, 1982
- Certificate issued
- June 10, 2015
- Expires
- June 30, 2028
- Mode S code
- A648CB
From the FAA registry file of October 22, 2026. The registry lists only the engine series, so ADs for every Wright R-1820 model are included below.
On this page
Airworthiness directives that may apply · 18
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1960 | 2 |
|---|---|
| 1966 | 1 |
| 1975 | 3 |
| 1977 | 2 |
| 1982 | 1 |
| 1986 | 1 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 2021 | 1 |
| 2023 | 1 |
Information bulletins that may apply
Advisory, not mandatory.
NTSB investigations
FAA incident reports
Reports on N504 not matched to an aircraft · 3
They name N504, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
Service difficulty reports · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
Reports on N504 not matched to an aircraft · 3
They name N504, but no registry record covers the date, the aircraft registered then was built later, or the report describes another aircraft.
STCs that may be installed · 17
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.
Airframe · Sikorsky S58E
Earlier aircraft with this N-number · 3
These aircraft carried N504 before the one registered now. The FAA can assign a mark to another aircraft once a registration is cancelled.