BRITISH YOUNG PILOTS

British Young Pilots

Aircraft Investigation — Day Course

🕵️  EVIDENCE, NOT ASSUMPTIONS  🔍

New — How this works

This is an interactive presentation

🎮 Games built in

Evidence-or-assumption, triage the incident, build your investigator kit — decide like real investigators do.

📄 Real documents

A genuine AAIB report is bundled in — at the end you compare YOUR findings against the professionals'.

🧩 Team investigation

Most of today happens at your tables: evidence, hypotheses, conclusions, and a final presentation.

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For Instructors

Your role today — detective coach

✓ Reinforce

  • Evidence over opinion
  • Multiple contributing factors
  • Human + technical + environmental causes
  • Safety improvement is the goal — learn, not blame

✗ Challenge

  • Jumping to conclusions
  • Over-reliance on "pilot error"
  • Ignoring conflicting evidence

🗣️ Your three magic questions: "What do we actually know?" · "What evidence supports that?" · "What might we be missing?"

How this fits the BYP pathway

🥉 Day Course (today!)

"Aircraft Investigation Day" — 4 sessions and a team investigation. Counts towards Badge 1.

🎖️ BYP "AAIB" Course

The full 10-lesson investigation course — structured and progressive. Badge 1 in depth.

🚀 Badge 2 and beyond

Badge 2–5 pathway activities — and at Stage 3, an AAIB partnership.

By 4pm your team will have investigated a real-style incident and presented your findings.

Day Course Agenda

1
40 + 20 min
What Investigators Do, How & Why + practical exercise
2
30 + 20 min
Evidence Gathering + scenario worksheet
3
30 + 20 min
Analysis & Reporting + hypothesis building
4
20 min
Conclusions & Safety Recommendations
🎤
60 min
Group Presentations your findings vs the real AAIB report
Session 1

What investigators do — and a mystery

🛬 "An aircraft lands, overruns the runway, and is damaged.
No injuries."

What do you think caused it?

Shout out every idea —
we'll write them ALL up

Today's objective:
role · method · mindset

Keep the list —
we return to it at the end

The AAIB — the real ones

  • Air Accidents Investigation Branch — the UK's crash detectives
  • Independent from police and regulators
  • They do NOT assign blame
  • Three questions: what happened · why it happened · how to prevent it

🎯 "The goal is safety, not punishment."

AAIB
Video · 3 min

The AAIB in their own words — what we do

AAIB official — "What we do" · All their reports: gov.uk/aaib

Watch for…

  • The steps you're about to follow today
  • "No blame" said by the real investigators
  • The kinds of specialists on a team

💬 After: which part of their job would YOU want?

Interactive

How investigations work — 6 steps

Game · Step 1

Notification — you decide: investigate or not?

Step 2 · Interactive

Deployment — what's in your kit bag?

deployment

👥 Team assembled — specialists in engineering, operations, human factors

🧳 Ask the room: you're deploying — what do you take? (shout-outs first!)

THE KIT — tap to reveal

📷 Cameras · 📓 Notebooks · 📏 Measuring tools · 🦺 PPE — gloves & high-vis

🎯 First jobs on arrival: secure the scene, coordinate with emergency services, agree the plan

Step 3 · Interactive

Evidence — the aircraft was watching

💡 "Even if nobody saw what happened, the aircraft did — and it recorded it." Tap each source:

📦
Flight Data Recorder
The "black box" (it's orange!) — records hundreds of parameters every second
🎙️
Cockpit & ATC recordings
Every radio call is recorded — and the cockpit voice recorder hears everything
🛰️
GPS / tracking
Exact path, speed and height — even light aircraft leave a trail
🗣️
Witnesses
Useful but unreliable — people remember different things!
🌦️
Weather reports
What were wind, visibility and cloud REALLY doing at that moment?
🛩️
The wreckage itself
Impact angle, ground marks, what broke first — metal doesn't lie
🎛️
Instruments & switches
In light aircraft: needle positions, switch settings, throttle & mixture — frozen clues
📑
Documents
Maintenance history and pilot records — was everything in date?
Video · 5 min

The black box — the witness that survives

Vox — "Airplane black boxes, explained" · Pilot's view: Captain Joe youtube.com/watch?v=lPiWlBG16Wo

Watch for…

  • It's orange, not black — why?
  • What it survives: fire, crash, ocean
  • FDR (data) vs CVR (voices)

💬 Ask after: why TWO recorders instead of one?

Step 4: Analysis — making evidence talk

analysis team
  • How will you analyse this case?
  • Investigators must choose how to analyse the evidence
  • Group it to find the story:

⏱️ Timeline — what happened first?

🗂️ Categories — human / technical / environment

🔗 Linking — how is it all connected?

Elimination — what can we rule OUT?

Step 5: Conclusions — cause vs contributing

  • Explain what happened using evidence — not guesses
  • A good conclusion is supported, not popular

CAUSE → what directly led to the incident

CONTRIBUTING FACTORS → what made it more likely

…and then: does this lead to a recommendation?

conclusions

Step 6: Safety recommendations

Only made if they improve safety — never to fill space. Sentence starters:

💬 "We recommend that…"

💬 "To prevent this happening again…"

💬 "This could be improved by…"

💬 "A safer approach would be…"

Why do investigations matter?

✈️ Aviation is safe because incidents are studied

🔎 Small incidents prevent major accidents

📚 Safety improves through learning, not blame

Game

Evidence or assumption? — the investigator's reflex

Practical · 20 min

Your first case — engine vibration (tick as you go)

📞 "Shortly after take-off, a pilot reports engine vibration and returns safely."

Session 2

Evidence Gathering

🕵️ You are now the BYP Accidents Investigation Branch.

Session 2 Objectives

  • Identify relevant evidence
  • Distinguish reliable vs unreliable information
  • Build an initial picture without jumping to conclusions

🚨 You've been assigned to an incident at this airfield.
Remember: you don't know the cause yet!

Choose your case

Four case files — pick ONE per team

📁 Case 1 — Smoke in the cockpit

C42 at Headcorn Aerodrome, Kent. Smoke after take-off.

🔥 electrical? engine? something burning?

📁 Case 2 — Loss of control on take-off

Light aircraft runway excursion at Old Sarum Airfield.

🌬️ wind? technique? something jammed?

📁 Case 3 — Engine rough running

PA-28 engine roughness — fuel contamination suspected.

⛽ water in the fuel? where from?

📁 Case 4 — Heavy landing

Light aircraft heavy landing after an unstable approach at Shoreham.

🛬 why was the approach unstable?

Your investigation worksheet

worksheet

📝 Everything goes on the worksheet — it becomes your team's case file and feeds your final presentation.

🗂️ Sections follow the investigation process — fill them in order, no skipping to conclusions!

📄 Open / print the worksheet (PDF)
Team task · 30 min

Session 2 task — build the picture

Session 3

Data & Analysis

Session 3 Objective

  • Turn Session 2's raw evidence into a logical explanation
  • Identify patterns and relationships
  • Hypothesis creation — develop possible explanations (plural!)
  • Narrowing down — decide the most likely scenario

🧪 Rule of the session: at least TWO hypotheses before you're allowed a favourite.

Team task · 30 min

Analysis worksheet — five outputs (tick as you complete)

Session 4

Conclusions, Recommendations & Reporting

The final report — three headings

1 · CAUSE

What directly led to the incident — one clear sentence, backed by evidence.

2 · CONTRIBUTING FACTORS

What made it more likely — human, technical, environmental.

3 · SAFETY RECOMMENDATIONS

"We recommend that…" — specific, actionable, and only if it improves safety.

The reveal

Now compare — the REAL report

  • Case 1 really happened: Ikarus C42 FB80, G-CICF
  • Investigated by the actual AAIB
  • Published in an official bulletin — like every AAIB report
  • How close did your team get?

🔍 As you read, compare:

  • Their cause vs yours
  • Contributing factors you found — and missed
  • How carefully they word conclusions
  • What evidence they leaned on most
Quiz

Final Quiz — think like an investigator

💬 Final Debrief

What did we learn?

📚 Summary

What stuck? Evidence-first, six steps, cause vs contributing…

⭐ Enjoy / not enjoy?

Honest feedback — which session, which activity?

🔮 Future incidents

How would you approach the next mystery — in aviation or anywhere?

🕵️ More of this?

Would you do more investigations? (Badge 2 is watching…)

🕵️ Case closed!

Today you investigated like the professionals:
evidence gathered, hypotheses tested, conclusions defended — no assumptions.

🧠 The mindset is yours now
"What do we actually know?" works everywhere

📄 Read real reports
gov.uk/aaib — every investigation is public

🎖️ Keep going with BYP
Wings · A320 Day · ATC Day · Badge 2 ahead

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