N141UA - Aircraft Aircraft Registration

B74R

Aircraft Description

Model Year

—

Manufacturer

—

Model

—

Type Aircraft

Fixed Wing Multi Engine

ICAO Type Code

B74R747SR

Airworthiness Date

—

Classification

—

Type Registration

Unknown

Status

Valid Registration

Cert Issue Date

Invalid Date

Registered Owner

Name

UNITED AIR LINES INC

Address

1200 E ALGONQUIN RD

City

ARLINGTON HTS

State / Zip Code

Illinois60005

Country

United States

Powerplant & Avionics

Engine Type

—

Number of Engines

—

Mode S Code (Oct)

50124052

Mode S Code (Hex)

A0A82A

NTSB Accident History (1)

Date	NTSB #	Damage	Highest Injury	Probable Cause
Jun 23, 1987	LAX87LA243	Substantial	None	FAILURE OF THE QUALIFIED MECHANIC TO INSURE THE OPERATION OF THE AIRCRAFT BRAKES PRIOR TO TAXIING AND HIS FAILURE TO UTILIZE THE EMERGENY BRAKE SYSTEM TO PREVENT THE COLLISION. CONTRIBUTING TO THIS ACCIDENT WAS THE DECISION OF AIRLINE MAINTENANCE SUPERVISORS TO ALLOW A NON-QUALIFIED MECHANIC TO PERFORM RIGHT SEAT/FLIGHT ENGINEER PANEL DUTIES. ALSO CONTRIBUTING WAS THE QUALIFIED MECHANICS FAILURE TO USE THE AIRCRAFT'S INERTIAL NAVIGATION SYSTEM FOR CROSS REFERENCE OF TAXI SPEED.

Jun 23, 1987LAX87LA243

Substantial

None

FAILURE OF THE QUALIFIED MECHANIC TO INSURE THE OPERATION OF THE AIRCRAFT BRAKES PRIOR TO TAXIING AND HIS FAILURE TO UTILIZE THE EMERGENY BRAKE SYSTEM TO PREVENT THE COLLISION. CONTRIBUTING TO THIS ACCIDENT WAS THE DECISION OF AIRLINE MAINTENANCE SUPERVISORS TO ALLOW A NON-QUALIFIED MECHANIC TO PERFORM RIGHT SEAT/FLIGHT ENGINEER PANEL DUTIES. ALSO CONTRIBUTING WAS THE QUALIFIED MECHANICS FAILURE TO USE THE AIRCRAFT'S INERTIAL NAVIGATION SYSTEM FOR CROSS REFERENCE OF TAXI SPEED.

Additional Details

Registration

N141UA

Serial Number

21023

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