- Registered owners
- City Of ChicagoDepartment Of Police
- Location
- Chicago, IL
- Owner type
- Government
- Serial number
- 52047
- Year built
- 1993
- Type
- Rotorcraft
- Engine
- Turbo-shaft
- Airworthiness
- Standard, normal
- Airworthiness date
- November 2, 1993
- Certificate issued
- January 5, 2012
- Expires
- January 31, 2028
- Mode S code
- AC9C9F
From the FAA registry file of October 24, 2026. The registry lists only the engine series, so ADs for every Allison 250-C30 model are included below.
On this page
Airworthiness directives that may apply · 59
Matched by this aircraft’s airframe and engine models. Each AD’s applicability may narrow it by serial number, part number or equipment.
| 1979 | 1 |
|---|---|
| 1980 | 2 |
| 1982 | 1 |
| 1983 | 1 |
| 1984 | 1 |
| 1985 | 1 |
| 1986 | 5 |
| 1988 | 1 |
| 1989 | 1 |
| 1994 | 2 |
| 1995 | 1 |
| 1996 | 1 |
| 1999 | 5 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 3 |
| 2004 | 1 |
| 2005 | 3 |
| 2006 | 2 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 2 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 4 |
| 2014 | 2 |
| 2015 | 2 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 1 |
See all 69 ADs
Information bulletins that may apply · 9
Advisory, not mandatory.
Airframe · Bell 206-L4
SAIB SW-19-05Tail Rotor Drive System, Spline DamageSAIB SW-18-02Loss of Hardware Tail Rotor Drive Shaft CouplingsSAIB SW-12-45Garmin Model 400W/500W Series GPS-WAAS Navigation SystemSAIB SW-10-42R1Emergency Float KitsSAIB SW-08-42Emergency Float with Liferaft Kits (kits)SAIB SW-05-87SAIB SW-05-24SAIB SW-04-92Engine · Allison 250-C30 series
SAIB NE-06-52Historical bulletins · 2
NTSB investigations
No NTSB investigations matched to N911YYMatched by N-number and event date, checked against the reported serial number, make and model. Investigations from before this aircraft carried the mark are under Earlier aircraft. Investigations on Bell 206-L4 aircraft
FAA incident reports
No FAA accident or incident reports matched to N911YYMatched by N-number and event date, checked against the reported make and model. Reports from before this aircraft carried the mark are under Earlier aircraft. Reports on Bell 206-L4 aircraft
Service difficulty reports · 1
Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.
STCs that may be installed · 370
Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do.