---
product_id: 44203968
title: "Air Crash Investigations: Jammed Rudder Kills 132, The Crash Of Usair Flight 427"
brand: "editor hank williamson"
price: "KSh19300"
currency: KES
in_stock: true
category: "Paperback"
url: https://www.desertcart.co.ke/products/44203968-air-crash-investigations-jammed-rudder-kills-132-the-crash-usair
store_origin: KE
region: Kenya
---

# Air Crash Investigations: Jammed Rudder Kills 132, The Crash Of Usair Flight 427

**Brand:** editor hank williamson
**Price:** KSh19300
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Air Crash Investigations: Jammed Rudder Kills 132, The Crash Of Usair Flight 427 by editor hank williamson
- **How much does it cost?** KSh19300 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.ke](https://www.desertcart.co.ke/products/44203968-air-crash-investigations-jammed-rudder-kills-132-the-crash-usair)

## Best For

- editor hank williamson enthusiasts

## Why This Product

- Trusted editor hank williamson brand quality
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## Description

The Boeing 737 has a history of rudder system-related anomalies, including numerous instances of jamming. A number of accidents and incidents were the result of the airplanes' unexpected movement of their rudders. During the course of the four and a half year investigation of the crash of USAir Flight 427 near Aliquippa, Pennsylvania, killing 132 people, the NTSB discovered that the PCU's dual servo valve could jam as well as deflect the rudder in the opposite direction of the pilots' input, due to thermal shock, caused when cold PCUs are injected with hot hydraulic fluid. This finally solved the mystery of sudden jamming of the rudders of this aircraft.

## Features

- Air Crash Investigations

## Images

![Air Crash Investigations: Jammed Rudder Kills 132, The Crash Of Usair Flight 427 - Image 1](https://images-na.ssl-images-amazon.com/images/I/51wmDKjfMLL.jpg)
![Air Crash Investigations: Jammed Rudder Kills 132, The Crash Of Usair Flight 427 - Image 2](https://images-na.ssl-images-amazon.com/images/I/315YeKkUAVL.jpg)

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---

*Product available on Desertcart Kenya*
*Store origin: KE*
*Last updated: 2026-03-15*