- Registered owners
- Patten Jeffery DPatten Sandra L
- Location
- Rapid City, SD
- Owner type
- Co-owned
- Serial number
- 286
- Type
- Rotorcraft
- Engine
- Reciprocating
- Airworthiness date
- July 13, 1963
- Certificate issued
- May 25, 2022
- Expires
- May 31, 2029
- Mode S code
- A74DD2
From the FAA registry file of October 24, 2026.
On this page
Airworthiness directives that may apply · 25
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1962 | 1 |
|---|---|
| 1963 | 1 |
| 1971 | 1 |
| 1973 | 1 |
| 1977 | 2 |
| 1981 | 3 |
| 1983 | 1 |
| 1997 | 2 |
| 2001 | 1 |
| 2021 | 1 |
| 2023 | 1 |
See all 28 ADs
Information bulletins that may apply
Advisory, not mandatory.
No bulletins matched this aircraft’s models
NTSB investigations · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
FAA incident reports · 2
FAA accident and incident reports matched to this aircraft by N-number and event date, checked against the reported make and model.
Service difficulty reports
No reports matched to N57UGeneral aviation reporting is voluntary. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Reports on Hiller UH-12A aircraft
STCs that may be installed · 31
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.