N908CH - 1977 Aircraft Aircraft Registration

S61

1977

Aircraft Description

Model Year

1977

Manufacturer

—

Model

—

Type Aircraft

Rotorcraft

ICAO Type Code

S61S-61A

Airworthiness Date

Invalid Date

Classification

Standard Transport Category

Type Registration

Unknown

Status

Valid Registration

Cert Issue Date

Invalid Date

Registered Owner

Name

HELIGROUP FIRE LLC

Address

124 W PINE ST

City

MISSOULA

State / Zip Code

Montana59802-4222

Country

United States

Powerplant & Avionics

Engine Type

Turbo-shaft

Number of Engines

Mode S Code (Oct)

53106436

Mode S Code (Hex)

AC8D1E

NTSB Accident History (1)

Date	NTSB #	Damage	Highest Injury	Probable Cause
Apr 20, 2020	DCA20LA100	Substantial	Serious	Fatigue cracking of the auxiliary servo cylinder’s pedal damper check valve housing and its bolts, which caused the sudden and uncommanded movement of the helicopter’s left pedal and a subsequent left yaw that continued until ground impact. Contributing to the accident were (1) the nonconforming edge of the pedal damper check valve housing during manufacture and (2) Sikorsky’s lack of a specific inspection for the pedal damper check valve housing.

Apr 20, 2020DCA20LA100

Substantial

Serious

Fatigue cracking of the auxiliary servo cylinder’s pedal damper check valve housing and its bolts, which caused the sudden and uncommanded movement of the helicopter’s left pedal and a subsequent left yaw that continued until ground impact. Contributing to the accident were (1) the nonconforming edge of the pedal damper check valve housing during manufacture and (2) Sikorsky’s lack of a specific inspection for the pedal damper check valve housing.

Additional Details

Registration

N908CH

Serial Number

61776

Number of Engines

Number of Seats

—

Expiration Date

—

Last Action Date

—

Last Update Date

—

Unique ID

—

Data Source

Data provided by the US Federal Aviation Administration. View on FAA.gov

Last updated: 2026-05-15 01:32:20 UTC