# N177ST: Hughes 369HS, registration cancelled 2017-07-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 19, 2017
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Hughes 369HS](https://openairdocs.org/model/hughes-369hs) (registry code 4470728)
- Engine: [Allison 250-C20 series](https://openairdocs.org/engine/allison-250-c20-series) (registry code 03020)
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE), [TCDS E4CE](https://openairdocs.org/tcds/E4CE) (OpenAirDocs)
- Serial number: 820407S
- Type of aircraft: Rotorcraft
- Engine type: Turbo-prop
- Airworthiness: Standard, normal
- Airworthiness date: April 1, 1988
- Certificate issued: October 23, 1987
- Last registry action: June 16, 2000
- Mode S code: A134D0
- Owner when cancelled: [Milagros Z Fishing Company Inc](https://openairdocs.org/faa-owner/MILAGROS%20Z%20FISHING%20COMPANY%20INC)
- Location: Saipan, MP, Northern Mariana Islands
- Owner type: Corporation
- The mark today: https://openairdocs.org/aircraft/N177ST
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=177ST
- Page: https://openairdocs.org/deregistered/N177ST-2017-07-19

From the FAA registry file of October 29, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Hughes 369HS: https://openairdocs.org/model/hughes-369hs.md

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC74AA013](https://openairdocs.org/ntsb/ANC74AA013), Jul 30, 1973: Hughes 369HS (N177ST), Ketchikan, AK, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19730730039359A](https://openairdocs.org/incident/19730730039359A), Jul 30, 1973: Hughes 369HS (N177ST), Ketchikan, AK, Substantial damage. Heard loud snap,un mntn dir cntl. No pre-impact metal distress noted except gouge to lead edge t/r.

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