FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026

N904CH — Sikorsky S-61N

Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.

Registration

Registrant

CONSTRUCTION HELICOPTERS INC

Registrant Type

Corporation

Location

HOWELL, MI

Status

Registration Valid

Certificate Issued

Jun 27, 2025

Airworthiness Date

Sep 9, 2025

Registration Expires

Jun 30, 2032

Last Action

Jun 27, 2025

Aircraft

Serial Number

61777

Year Manufactured

1977

Aircraft Type

Rotorcraft

Certification

Standard (+1 flag)

Engine

GE CT58-140-2

Engines / Seats

2 / 28

Weight Class

CLASS 2

Mode S (Hex)

AC7E42

Type History

Sikorsky S-61N type page → — 44 registered · 4 NTSB records · 15 airworthiness directives

Live position via ICAO24 AC7E42

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