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UX/UI Case Study

Autonomous Drone Emergency Response

Designing a life-saving system for heat emergencies in Texas

TypeUX/UI Case Study
TimelineJan-Feb 2025 (6 weeks)
ToolsFigma, User Interviews, Surveys
TeamAlejandra S. — UX/UI Robyn W. — UX Meagan W. — UX Branding Madison R. — UI Branding

Background & Context

Texas' Silent Summer Crisis

In 2023, Texas recorded over 300 heat-related deaths, many among hikers and outdoor workers who lacked access to timely aid.

  • Hikers lack cell service in remote trail areas
  • Construction workers account for 40% of occupational heat deaths
  • Festival-goers underestimate dehydration in crowded outdoor venues
Drone mockup

The Problem

A Growing Crisis

Texas has seen a rising trend in the number of people suffering from heat-related illnesses, particularly among hikers on remote trails, construction workers on exposed job sites, and festival attendees in crowded outdoor venues. Many of these individuals lack access to rapid medical intervention when symptoms escalate.

Traditional emergency response systems are too slow for the speed at which heat stroke progresses. By the time EMS arrives at a remote location, the window for effective intervention has often closed. There is a critical gap between symptom onset and aid delivery that costs lives every summer.

Heat illness emergency department visits visualization

Daily Rates of Heat Related Emergency Department Visits by HHS Region 1/1/2025–12/31/2025

Proposed Solution

Autonomous Emergency Response

“We will create an autonomous emergency drone system that detects heat emergencies, dispatches life-saving supplies, and bridges the gap between symptom onset and medical response.”

An autonomous drone system that delivers emergency supplies — water, electrolytes, and cooling packs — to individuals experiencing heat-related distress. The system integrates real-time GPS tracking, symptom-based triage, and automated dispatch to dramatically reduce response time in remote and underserved areas.

Research

Understanding the Gap

To understand the scope of heat-related illnesses on hiking trails and outdoor work sites, we conducted surveys, interviews, and secondary research to identify user pain points and unmet needs.

Key Survey Insights

92%

of hikers planned enough water but underestimated how much they would need on trail

68%

experienced severe fatigue or dizziness during summer outdoor activities

32%

reported nausea, vomiting, or near-fainting episodes while hiking

Emergency Preparedness

41%

didn't check weather conditions before heading out on the trail

57%

carried only water — no electrolytes, salt tablets, or oral rehydration solutions

Many

had no rapid cooling options available when heat symptoms began escalating

Target Users

Individuals most vulnerable to heat-related illness and most likely to benefit from the system.

  • Hikers & CampersStrenuous activity + limited supplies in remote areas
  • Outdoor WorkersProlonged sun exposure in construction, farming, and labor
  • Event AttendeesFestivals, marathons, and sporting events with crowded outdoor venues

Pain Points — From Hikers & Victims

Self-reported experiences from our survey of 71 outdoor enthusiasts.

01

Underestimating heat severity

"I thought I'd be fine with one water bottle." Many hikers misjudged conditions.

02

No way to signal for help

68% of respondents had no reliable method to call for help on remote trails.

03

Symptom ignorance until crisis

Most didn't recognize early signs of heat exhaustion until they could no longer walk.

04

No rapid cooling options available

Once overheated, hikers reported having no access to shade, ice, or electrolytes.

Research Methodology

Online Survey

71 respondents via Google Form distributed on Instagram, Reddit, and outdoor community boards.

Survey covered hydration habits, heat illness awareness, emergency response readiness, and outdoor activity frequency.

Responder Interviews

8 emergency responders and 4 event organizers recruited through professional networks and cold outreach.

30-minute semi-structured interviews focused on operational pain points, protocol gaps, and technology adoption barriers.

Secondary Research

CDC heat illness reports, OSHA workplace fatality data, NPS incident logs, and Texas DSHS mortality reports.

Cross-referenced survey findings with published data to validate scope and severity.

Survey Questions

Placeholder: add survey question text here.

Survey Findings

Responder & Organizer Interviews

Methodology

In addition to the hiker survey, we conducted interviews with 8 emergency first responders and 4 outdoor event organizers to understand how heat emergencies are currently managed in the field.

Responder Insights

  • Emergency responders prioritize speed, reliability, and integration with existing dispatch systems.
  • Responders face increased strain during heat waves when simultaneous calls overwhelm limited resources.
  • Liability concerns are high—drones must have clear operational protocols and regulatory compliance.

Event Organizer Insights

  • Heat exhaustion cases peak at large outdoor events, especially multi-day festivals in summer months.
  • Current emergency protocols rely on stationary medical tents, which can't reach attendees in crowded areas.
  • Organizers want predictive tools that identify high-risk zones before incidents occur.

Key Insights

Current solutions focus on passive tracking rather than active, automated response.

Responders need real-time visibility into supply deployment and drone operations.

Manual delivery methods increase risk for personnel and delay response times.

Competitive Analysis

Existing Solutions

I analyzed existing solutions across three categories—government tools, on-demand logistics, and drone delivery—to identify strengths, gaps, and the opportunity space.

OSHA/NIOSH Heat Safety Tool

Government App

Strengths

  • + Free, science-backed heat index calculations
  • + Risk level indicators with recommended precautions
  • + Workplace-focused safety reminders

Gaps

  • Passive—provides info only, no active intervention
  • No GPS tracking or emergency dispatch capability
  • Outdated UI with poor engagement and retention
  • No integration with wearables or real-time vitals

Uber / DoorDash

On-Demand Delivery

Strengths

  • + Real-time tracking and ETA countdowns
  • + Seamless one-tap ordering experience
  • + Robust logistics and dispatch infrastructure

Gaps

  • Requires road access—cannot reach remote trails
  • No medical triage or symptom-based payload selection
  • Not designed for emergency or time-critical scenarios
  • Human-dependent delivery; no autonomous capability

Zipline / Wing (Drone Delivery)

Drone Logistics

Strengths

  • + Proven autonomous drone delivery in medical supply chains
  • + Can reach remote and hard-to-access areas
  • + Fast deployment without ground infrastructure

Gaps

  • Primarily B2B—not consumer-facing or user-triggered
  • No symptom assessment or first-aid guidance built in
  • Limited to pre-set delivery zones, not on-demand
  • No integration with personal health data or wearables

Opportunity:No existing solution combines real-time symptom assessment, autonomous drone dispatch, and guided first-aid delivery into a single, user-activated emergency response system.

User Personas

Who We're Designing For

Maya Chen

Maya Chen, 24

Festival Goer · Austin, TX

Social media coordinator who attends 4–5 music festivals per year.

Goals

  • Enjoy festivals without worrying about heat illness
  • Quick access to help if she or a friend feels sick
  • Stay informed about conditions without constant phone checking

Frustrations

  • Medical tents are always far from the main stages
  • Hard to tell the difference between tiredness and actual heat illness
  • Doesn't want to leave her spot to find water when she starts feeling off

Last summer at ACL, my friend passed out during the headliner. We had no idea where the medical tent was, and by the time we found it, she needed an IV. I never want to feel that helpless again.

Jordan Reeves

Jordan Reeves, 29

Beginner Hiker · San Antonio, TX

Software developer who recently started hiking to disconnect from screens.

Goals

  • Build confidence on progressively harder trails
  • Know what to pack and how to prepare for heat
  • Have a safety net if something goes wrong in a remote area

Frustrations

  • Doesn't know how much water is 'enough' for different trail difficulties
  • Cell service drops out on most trails he wants to do
  • Feels embarrassed asking for help—worried about overreacting

I did Enchanted Rock on a 98-degree day with one Nalgene. By mile 2 I couldn't see straight. There was nobody around and I had no signal. I've never been that scared.

Feasibility & Constraints

Designing Within Constraints

Designing an autonomous drone delivery system requires balancing regulatory requirements, operational limits, and emergency response speed.

Core Constraints

01

Payload Limitations

Current commercial drones can carry 5–10 lbs. Our emergency kit (water, cooling packs, electrolyte powder) weighs approx. 3 lbs.

02

Battery & Range

Most drones operate within a 10–15 mile radius on a single charge. Station placement must account for average trail distance.

03

Weather Dependency

High winds (>25 mph), rain, and extreme heat itself can affect battery life and flight stability. Redundant launch protocols needed.

04

GPS & Connectivity

Remote trails with poor GPS signal require offline navigation fallback and pre-mapped flight corridors.

05

Airspace Compliance

Flight routes must respect controlled airspace, line-of-sight operations, and required authorizations depending on location and event context.

Design Implication:These constraints directly influenced the UI: the dashboard shows real-time airspace status, the drone station map is designed around coverage radius, and the payload display communicates supply weight limits to maintain user trust.

Journey Map

End-to-End Scenario

Jordan, a beginner hiker, is on a solo trail at Enchanted Rock State Natural Area on a 102°F afternoon. He begins experiencing dizziness and nausea two miles from the trailhead.

Scenario

Jordan Reeves, a beginner hiker, attempts Enchanted Rock on a 102°F day. Two hours in, he starts showing signs of heat exhaustion. His friend uses the app to request emergency drone assistance.

Pre-Activity

On Trail

Emergency Trigger

Drone Dispatch

Supply Delivery

Post-Incident

Cautious

Anxious

Panicked

Relieved

Grateful

Reflective

Action

Jordan checks the app before a hike at Enchanted Rock. It shows high risk and suggests extra water.

Action

Two hours in, Jordan feels dizzy and fatigued. The app detects elevated heart rate from his watch.

Action

Jordan's friend notices him stumbling and opens the app. She taps SOS and reports his symptoms.

Action

The system confirms drone dispatch. ETA: 4 minutes. First-aid instructions display.

Action

Drone arrives with cooling packs, electrolyte solution, and shade tarp.

Action

App logs the event, provides recovery recommendations, and shares the report with local EMS.

Thinking

"It says high risk today... maybe I should bring extra water."

Thinking

"I feel off but I'm almost at the summit... maybe I should rest."

Thinking

"He can't even hold his water bottle. I need to do something now."

Thinking

"Okay, help is coming. It says to move him to shade."

Thinking

"The ice pack is helping. His color is coming back."

Thinking

"I need to be way more prepared next time. The app is sending me tips."

Touchpoints

App home screen, heat risk assessment, pre-hike checklist

Touchpoints

Wearable sync, push notification, symptom checklist

Touchpoints

SOS button, symptom reporting screen, GPS location share

Touchpoints

Drone tracking map, ETA countdown, first-aid instructions

Touchpoints

Drone landing notification, supply checklist, audio first-aid guide

Touchpoints

Incident summary, recovery tips, feedback prompt

Opportunity

Proactive education reduces incidents before they start

Opportunity

Early intervention window—most people ignore symptoms too long

Opportunity

One-tap activation with guided symptom input reduces panic

Opportunity

Reducing anxiety through transparency and actionable waiting tasks

Opportunity

Tangible intervention builds trust in the system

Opportunity

Post-event education has highest retention and behavior change impact

Storyboard Illustration — 6-panel visual storyboard illustrating the scenario

Ideation

How Might We

Reframing Challenges

How might we help people recognize heat illness symptoms before they become dangerous?

How might we deliver emergency supplies to remote locations without road access?

How might we reduce response time from symptom onset to treatment delivery?

How might we educate outdoor enthusiasts on prevention without being patronizing?

How might we integrate wearable data to proactively detect early warning signs?

How might we keep emergency drone dispatch reliable under payload, weather, and range constraints?

Information Architecture

User Flow

01

User Opens App

Views dashboard with current heat index, trail conditions, and safety status

02

Tracks Activity

App monitors location, biometrics, and environmental conditions in real-time

03

Emergency Detected

System detects danger via symptoms, biometrics, or manual SOS trigger

04

Drone Dispatch

Nearest drone station deploys with customized supply kit, user tracks ETA

05

Relief & Recovery

Supplies delivered, guided cooling protocol, incident logged for follow-up

Lo-fi Wireframes

Early Explorations

These wireframes explore a 3-tap flow to dispatch an autonomous drone for heat emergencies.

Wireframe Start

Initial wireframe start screen with primary emergency actions

Home

Home dashboard wireframe showing weather risk and water tracking

Symptoms

Symptoms selection screen with large tappable options

Confirm location

Location confirmation screen with map and auto-dispatch countdown

Live tracking / status

Status screen with live tracking, ETA, and follow-up actions

What's included

Delivery contents screen listing emergency supplies

What to do in the meantime

Interim guidance screen with simple waiting instructions

Profile

Profile page with identity details and grouped secondary links

User Testing

Validation & Iteration

15

Participants

Mix of college students, hikers, and individuals with outdoor work experience.

Task Scenario

Participants were told to imagine they were at an outdoor event experiencing symptoms of heat exhaustion. They were asked to use the prototype to request emergency help.

Method

Moderated usability testing with think-aloud protocol. Each session lasted 20 minutes, followed by a post-task questionnaire.

87%

Completed drone request within 2 minutes

13 / 15

Found the SOS button without prompting

6 / 15

Confused by symptom reporting vs. SOS action

4.2 / 5

Average ease-of-use rating post-task

Participant Quotes — Points of Confusion

P3

I didn't know if 'Send Help Now' meant it was calling 911 or sending a drone.

Confused by SOS button labeling

P7

Wait, my friend fainted—do I tap 'Emergency' or 'Report Symptoms'?

Unclear distinction between primary actions

P11

I kept looking for a cancel button after I hit send. What if I was wrong?

No undo or cancel flow

P5

The symptom checklist was helpful but I was shaking so much I kept tapping the wrong thing.

Fine motor controls under stress

P9

I thought the drone was coming to me, not to my friend's location.

GPS target confusion

Apple Watch Flow

Hydration reminder
Apple Watch hydration reminder notification
Drone ETA notification
Apple Watch notification showing drone arrival time
Heat alert
Apple Watch emergency heat exhaustion alert

Drone Support Screens

Drone destination
Drone interface for selecting destination
Delivery confirmation
Drone interface for confirming delivered supplies

What Worked

  • Easy to follow and user-friendly flows—most participants completed the full request in under 2 minutes.
  • Users appreciated the clear ETA countdown, saying it reduced anxiety during the waiting period.
  • Real-time drone location on the map gave participants a strong sense of trust and confidence.
  • "In the meantime" suggestions (shade, cool cloths, elevating legs) were highly valued by participants.

What Needed Iteration

  • 6 of 15 participants were confused by the distinction between 'Report Symptoms' and the SOS emergency button.
  • Symptom checkboxes were too small for stressed users; participants with shaking hands struggled to tap accurately.
  • No cancel/undo after triggering a drone request caused anxiety—participants wanted a confirmation step.
  • GPS defaulted to the requester's location, not the victim's—causing confusion in bystander scenarios.

Project Goals

What We're Solving For

Proactive Safety

  • Real-time alerts based on location and heat index
  • Wearable integration to detect early signs
  • Customizable notifications for different intensities

Rapid Response

  • Drone dispatch system
  • Smart payload selection based on symptoms
  • GPS beacon functionality for search and rescue

Education

  • Trail-specific hydration recommendations
  • Pre-hike checklist tailored to weather
  • Myth-busting tips at relevant moments

Design Decisions

Key Feature Areas

Prevention System

  • Heat risk assessment before hike starts
  • Dynamic hydration reminders based on pace/elevation
  • Wearable sync for vital monitoring (opt-in)

Emergency Response

  • One-touch SOS with symptom reporting
  • Automated drone dispatch with ETA countdown
  • Visual first aid instructions via drone display

Learning Hub

  • Interactive heat safety quiz
  • Crowd-sourced trail condition reports
  • Post-hike recovery recommendations

Final Design

Hi-fi Screens

Emergency Home

Emergency Home

Symptom Reporting

Symptom Reporting

Drone Tracking & ETA

Drone Tracking & ETA

Drone Interface

Drone Interface

Drone Status

Drone Status

Visual Language

Design System

Typography

Updated typography system

Logo

Updated product logo

Palette

Updated color palette

Outcomes

Results & Reflection

Key Outcomes

  • 2-minute automated drone deployment after symptom report
  • Real-time GPS tracking reduces user anxiety
  • Symptom-based triage ensures appropriate payload delivery
  • Educational features increase heat safety awareness

Reflection

This project taught me how technology can bridge gaps in public health infrastructure. Designing for emergencies forced me to simplify every interaction and question every assumption.

Future Decisions

  • Partner with national parks for wider testing and pilot programs
  • Explore AI symptom prediction using wearable data
  • Investigate battery life optimization for longer drone range
  • Develop accessibility features including voice commands and haptic alerts
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