# N88SD — BELL HELICOPTER HH-1N
> **—** Rotorcraft · Turbo-Shaft · Owner: CITY OF CHICAGO DEPARTMENT OF POLICE · CHICAGO, IL
## Aircraft
- **N-Number:** N88SD
- **Serial Number:** 158762
- **Manufacturer:** BELL HELICOPTER
- **Model:** HH-1N
- **Year manufactured:** —
- **Type:** Rotorcraft
- **Engine type:** Turbo-Shaft (02 engines)
- **Seats:** 004
- **Weight class:** CLASS 1
- **Mode S code (hex):** `AC1D10`
## Owner
- **Name:** CITY OF CHICAGO DEPARTMENT OF POLICE
- **Type of registrant:** Government
- **Location:** CHICAGO, IL 606176551, US
## Registration
- **Status:** Valid
- **Certificate issued:** 2022-09-30
- **Last action:** 2023-07-11
- **Expiration:** 2029-09-30
## Source
- [FAA Aircraft Inquiry](https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=88SD)
- [ADS-B Exchange live tracking](https://globe.adsbexchange.com/?icao=ac1d10)
---
*AI Analytics · CC0 1.0*