---
title: "Meaning & Key Takeaway of: An hour and thirty-one minutes after…"
description: "\"An hour and thirty-one minutes after launch, my pressure altimeter halts at 103,300 feet. At ground control the radar altimeters also have stopped-on r..."
image: "https://sms4smile.com/quotes/i/e2f/joseph-kittinger-80753_accelerate_an-hour-and-thirty-one-minutes-after-lau_50167.jpg"
---

#  An hour and thirty-one minutes after launch, my pressure…

![“An hour and thirty-one minutes after launch, my pressure altimeter halts at 103,300 feet. At ground control the radar altimeters also have stopped-on readings of 102,800 feet, the figure that we later agree upon as the more reliable. It is 7 o'clock in the morning, and I have reached float…” quote by Joseph Kittinger](https://sms4smile.com/quotes/i/e2f/joseph-kittinger-80753_accelerate_an-hour-and-thirty-one-minutes-after-lau_50167.jpg)   [Download](https://sms4smile.com/quotes/i/e2f/joseph-kittinger-80753_accelerate_an-hour-and-thirty-one-minutes-after-lau_50167.jpg) [Open image](https://sms4smile.com/quotes/i/e2f/joseph-kittinger-80753_accelerate_an-hour-and-thirty-one-minutes-after-lau_50167.jpg)

> “An hour and thirty-one minutes after launch, my pressure altimeter halts at 103,300 feet. At ground control the radar altimeters also have stopped-on readings of 102,800 feet, the figure that we later agree upon as the more reliable. It is 7 o'clock in the morning, and I have reached float altitude... Though my stabilization chute opens at 96,000 feet, I accelerate for 6,000 feet more before hitting a peak of 614 miles an hour, nine-tenths the speed of sound at my altitude.”

[Joseph Kittinger](https://sms4smile.com/quotes/author/joseph-kittinger/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Describes the extreme altitude and speed achieved during a high-altitude parachute jump, highlighting the precise measurements and the near‑sonic velocity reached before parachute deployment.

**In simple terms:** Illustrates the limits of human free‑fall performance.

Key Takeaway

High‑altitude jumps push physical and technical boundaries.

Themes

risk exploration physics technology human endurance

Mood

awe excitement focus

Type

technical narrative first‑person account

When to use this quote

- military testing
- space research
- record‑setting jumps

Key Concepts

altitude measurement aerodynamics parachute engineering

Practical Applications

- designing high‑altitude safety systems
- training for extreme environments

Questions to Reflect On

- What engineering challenges arise at near‑sonic free‑fall?
- How do measurement discrepancies affect mission decisions?

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> [Though my stabilization chute opens at 96,000 feet, I accelerate for 6,000 feet more before hitting a peak of 614 miles an hour, nine-tenths…](https://sms4smile.com/quotes/joseph-kittinger/though-my-stabilization-chute-opens-at-96-000-feet-i-accelerate-for-6/)

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