What documents must be onboard the aircraft? An aircraft may be perfectly maintained, fueled, and ready to fly.
But if required documentation is missing, the flight is not legal. Federal regulations require certain aircraft documents to be onboard and accessible during flight. These documents verify that the aircraft is registered, approved for operation, and operated within its certified limits. Pilots commonly remember these documents using the acronym A.R.O.W. ////////////////////////////////////////////////////////////// 📋 Why This Matters (Operational + Legal Reality) Missing required aircraft documents can lead to:
Unlike inspections or maintenance records that may be stored elsewhere, AROW documents must be onboard the aircraft. They are part of the airplane’s legal identity. ////////////////////////////////////////////////////////////// ✈️ The A.R.O.W. Acronym ---------------------------------------------------- 1️⃣ Airworthiness Certificate Reference: 14 CFR 91.203 This certificate confirms that the aircraft meets its approved type design and is in condition for safe operation. Key points:
If the aircraft no longer conforms to its type design, the certificate is effectively invalid — even if the paper is still displayed. ---------------------------------------------------- 2️⃣ Registration Certificate Reference: 14 CFR 91.203 This document shows that the aircraft is registered with the FAA and identifies the legal owner. Key points:
A temporary registration may be issued during ownership transfers, but it must still be onboard. ---------------------------------------------------- 3️⃣ Operating Limitations Reference: 14 CFR 91.9 Operating limitations define how the aircraft may be legally operated. For most general aviation aircraft, this information is found in:
These limitations include:
If the airplane is operated outside its limitations, the flight is not compliant with the regulations. ---------------------------------------------------- 4️⃣ Weight & Balance Information References: 14 CFR 91.9 and 91.103 Weight and balance documentation provides the approved loading limits and center-of-gravity range for the aircraft. This information ensures the aircraft remains within safe aerodynamic and structural limits. Pilots must verify:
Even a properly flying aircraft may become unsafe or uncontrollable if loaded incorrectly. ---------------------------------------------------- ! GREE CASTLE NOTES: Green Castle Aero Club airworthiness documents can be found on each aircraft page on our website. Click here for Checklists, In-Flight Guides, and Airworthiness Documents for each aircraft. Additionally, member pilots have access to our CrewChief Systems digital maintenance records program which authorizes the use of digital means to meet airworthiness requirements. Learn more about CrewChief Systems and AC 120-78B on our website. ////////////////////////////////////////////////////////////// 🌎 When AROW Becomes ARROW Some pilots expand the acronym to ARROW. The additional “R” stands for: Restricted Radiotelephone Operator Permit This permit is required when operating internationally, because radio communications cross national boundaries. For purely domestic operations within the United States, this permit is not required. NOTE: Green Castle Aero Club aircraft are not operated outside of the continental United States and therefore do not have this radio permit. ////////////////////////////////////////////////////////////// 🧠 Operational Scenario Ramp Inspection An FAA inspector approaches after shutdown and asks to see the aircraft documents. What must you be able to produce?
If any of these are missing, the aircraft cannot legally depart. //////////////////////////////////////////////////////////////////////////////// ⚠️ Common Pilot Mistakes
The key distinction: AROW documents stay with the aircraft. ////////////////////////////////////////////////////////////// 🧩 The Big Takeaway The required onboard aircraft documents are remembered as: A — Airworthiness Certificate R — Registration Certificate O — Operating Limitations W — Weight & Balance These documents confirm the aircraft is:
Without them, the aircraft may be mechanically sound — but legally grounded. ////////////////////////////////////////////////////////////// 🗓 Next Week Plane & Pilot – The Four Forces of Flight What keeps an airplane moving through the air? Next week, we’ll break down the four fundamental forces that act on every aircraft in flight: lift, weight, thrust, and drag — and how their balance determines climb, cruise, descent, and performance. Because every maneuver in aviation begins with understanding these forces.
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What inspections must an airplane have to be airworthy?Airworthiness is more than “it flew fine last time.”
For an aircraft to be legally airworthy, it must: 1️⃣ Conform to its type design 2️⃣ Be in condition for safe operation 3️⃣ Have all required inspections and Airworthiness Directives (AD) current The Annual Inspection is only one piece of the puzzle. ////////////////////////////////////////////////////////////// ✈️ Why This Matters (Owner + Student Reality) The FAA places responsibility for determining airworthiness directly on the pilot in command and operator — not the mechanic and not the previous pilot. Inspection issues most commonly show up as:
This is not paperwork trivia. It’s operational legality. And yes — this is a favorite checkride topic for a reason. ////////////////////////////////////////////////////////////// ✈️ The Practical Memory Tool: AV1ATES This acronym is found in the preflight section of GCAC in-flight guides and provides a clean way to verify inspection compliance. In-flight guide hard copies are located in each aircraft, as well as in CrewChief Systems and here on our website. Visit our GCAC Airplane pages for each in-flight guide --------------------------------------------------------------------------------- A.V.1.A.T.E.S. --------------------------------------------------------------------------------- A — Annual Inspection (FAR 91.409) Required every 12 calendar months for most GA aircraft. --------------------------------------------------------------------------------- V — VOR Check (FAR 91.171) Required every 30 days if flying IFR using VOR navigation. --------------------------------------------------------------------------------- I — 100-Hour Inspection (FAR 91.409) Required if the aircraft is used for hire or certain flight instruction operations. Must occur every 100 tach-hours time in service. GCAC Context: Member-owned aircraft are not for public hire and are generally not subject to this requirement. --------------------------------------------------------------------------------- A — Airworthiness Directives (FAR 91.403) If an AD applies, compliance is mandatory. No compliance = not airworthy. ADs may be:
--------------------------------------------------------------------------------- T — Transponder (FAR 91.413) Required every 24 calendar months if operating where a transponder is required. --------------------------------------------------------------------------------- E — ELT (FAR 91.207) Required every 12 calendar months. Battery replacement rules apply based on use and lifespan. --------------------------------------------------------------------------------- S — Static System / Altimeter (FAR 91.411) Required every 24 calendar months if operating IFR. ////////////////////////////////////////////////////////////// 🧠 Operational Scenarios Scenario 1 The Annual was completed last month. Pitot-static inspection expired two weeks ago. Can you fly IFR? Answer: No. You’re fine for VFR, not IFR. --------------------------------------------------------------------------------- Scenario 2 Annual is current. Transponder inspection expired. Can you enter Class C? Answer: Not legally. --------------------------------------------------------------------------------- Scenario 3 AD compliance is not documented in the logs. Aircraft flies fine. Airworthy? Answer: No. ////////////////////////////////////////////////////////////// ⚠️ Most Common Real-World Misses
////////////////////////////////////////////////////////////// 🔎 GCAC Operations — Where to Verify Inspection status for Club aircraft is tracked in CrewChief Systems. Visit our CrewChief Systems page at GreenCastleAeroClub.com Use it to verify:
Think of it as the “preflight for paperwork.” ////////////////////////////////////////////////////////////// 🧩 The Big Takeaway Airworthiness is not a single inspection. It’s a layered compliance system tied to:
The airplane doesn’t care what acronym you use. The FAA does. Stay ahead of it. ////////////////////////////////////////////////////////////// 🗓 Next Week Plane & Pilot – Theories of Lift What actually makes an airplane fly? Is it Bernoulli? Newton? Both? Next week, we’ll simplify the major theories of lift and connect them to what you actually see in the cockpit — angle of attack, airspeed, and performance. |
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