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How to Survive a Plane Crash in the Wilderness (What Actually Keeps You Alive)


A small plane disappears into the mountains. Survival doesn’t begin at impact—it begins in the decisions that follow.

How to Survive a Small Plane Crash in the Backcountry

(What to Do First—and What Actually Keeps You Alive)

It’s not the crash that decides if you live.

It’s what happens next.

On May 5th, 1979, a small plane lost power over the mountains of central Idaho and went down in a remote canyon. What followed wasn’t a quick rescue or a dramatic survival scene—it was 19 days of cold, injury, starvation, and decisions most people will never have to face.

Two people walked out.

Two didn’t.

And the difference wasn’t strength or luck.

It was a series of decisions—made in the first minutes… and then repeated every hour, every day, until survival either held—or didn’t.

This guide breaks down what actually matters in a small plane crash in the backcountry—what to do first, what mistakes cost people their lives, and how to make decisions that give you the best chance of getting out.

The first 60 seconds: survive the impact

If you have any warning at all, your job is to reduce injury.

  • Brace and protect your head/neck. Tuck your chin, keep your head from snapping.

  • Tighten your seatbelt and remove slack. A little slack becomes a lot of momentum.

  • Secure loose objects. Anything heavy becomes a projectile.

  • After impact, stop and breathe before moving. Panic movement causes secondary injuries.

The first 10 minutes: fire, bleeding, and a headcount

Your priorities are simple and brutal: fire, bleeding, and exposure.

Assess fire risk

  • If you smell fuel or see smoke, get everyone out and move upwind.

  • If there’s no fire and the aircraft is stable, the wreck may be your best shelter.

Control life-threatening bleeding

  • Apply direct pressure.

  • Use cloth as a pressure dressing.

  • If you have to improvise, do it fast—bleeding doesn’t wait.

Do a head-to-toe injury check

  • Don’t assume the “walking person” is fine.

  • Don’t assume the quiet person is fine.

Protect the injured from the ground and wind

  • Insulate under them (seats, foam, clothing, anything).

  • Wind + cold ground will pull heat out faster than you think.

The first hour: stabilize, signal, and make a plan you can actually execute

Stabilize first—then “survival skills”

In the backcountry, injury changes everything. A broken ankle turns a short walk into an impossible one. A jaw injury makes eating painful and limits your ability to fuel your body.

  • Splint what you can. Even a crude splint can prevent worsening damage.

  • Keep wounds clean and covered. Infection becomes a slow killer.

  • Limit unnecessary movement. Save energy and prevent shock.

Signal like your life depends on it (because it does)

Search aircraft can fly directly over you and never see you—especially if the plane blends into snow or terrain.

  • Make contrast: lay out dark clothing, seat fabric, floor mats.

  • Make size: small signals are easy to miss—build something big.

  • Use motion: waving fabric or reflective surfaces catch attention.

  • Make sound: whistles travel farther than voices.

If you have an ELT, PLB, or satellite messenger, use it immediately and keep it accessible.

The first night: cold is the enemy you don’t feel until it’s winning

In mountain environments—even in May—temperatures can drop below freezing. Hypothermia isn’t just discomfort. It’s a cascade that steals your judgment.

  • Get out of the wind. This is often the difference between discomfort and danger.

  • Insulate from the ground. This is non-negotiable.

  • Stay dry. Wet clothing accelerates heat loss.

  • Eat and drink if you can. Calories and hydration are heat.

Understand the trade: exertion vs. heat

Movement creates warmth—but it also burns calories you can’t replace. Sweat can make you colder later.

A good rule: move with purpose, not panic.

The first 72 hours: stay with the wreck unless you have a strong reason not to

In most survivable crashes, your best odds come from being found.

Stay with the wreck if:

  • You can shelter there

  • Someone is injured

  • You have no navigation tools

  • Weather conditions are poor

Consider moving only if:

  • Fire risk or terrain makes the site unsafe

  • You have a clear, realistic route to help

  • You can move without creating a second emergency

Water and food: don’t let hunger make your decisions for you

Water

Dehydration will destroy your cognition and your ability to regulate body temperature.

  • Melt snow if necessary—but don’t rely on eating snow alone

  • Collect runoff when possible

  • Boil water if you have the ability

Food

Hunger makes people take dangerous risks.

  • Ration early—don’t wait until you’re desperate

  • Prioritize easy-to-eat calories if injuries are present

  • Track what you have—uncertainty creates panic

The hardest truth: survival becomes a mental problem before it becomes a physical one

After a few days, the challenge shifts.

  • You start asking the same questions every morning: What do we have left? Is anyone coming?

  • Cold and malnutrition slow thinking

  • Trauma and grief can shut people down

What helps:

  • Create a simple routine (injuries → signals → shelter → rest)

  • Make decisions together if you’re not alone

  • Write things down to anchor your thinking

When rescue doesn’t come: how to decide if you must self-rescue

This is the decision no one wants to make.

If you move, stack the odds in your favor:

  • Wait for better weather if possible

  • Travel during the warmest part of the day

  • Move slowly enough to avoid sweating

  • Follow signs of human activity (cut logs, tracks, roads, drainage)

  • Stop before exhaustion

Rule: Don’t spend what you don’t have.

If someone can’t walk, think carefully before splitting up. One bad decision can create a second emergency.

What to do now (before anything happens)

If you spend time in remote areas, these matter more than anything:

  • Carry a satellite messenger or PLB

  • Pack real insulation—even on “nice” days

  • Bring a basic first-aid kit (bleeding + splinting)

  • Carry signaling tools (whistle, mirror, high-contrast panel)

  • Tell someone your route and timeline

Listen to the full story

If you want to understand what survival actually looks like when things go wrong—injuries, impossible decisions, and what it takes to keep going—listen to the full story on The Crux True Survival Stories.

 
 
 

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Kaycee and Julie are Montana-based PAs sharing real stories from medicine, survival, and adventure on their podcast, The Crux, where clinical experience meets mountain life.

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