✈️ Aviation Brief — Issue #12
Weekly insights for student pilots and the instructors who train them.
THIS WEEK'S TOPIC
IA.I — Instrument Preflight Procedures (Instrument ACS)
### 1. ACS STANDARDS SUMMARY
The FAA ACS (IA.I) requires the applicant to demonstrate knowledge and risk management of instrument preflight procedures, including: pilot qualifications, limitations, and currency for IFR; appropriate weather minimums; IFR cross-country flight planning; obtaining/reviewing required documents and publications; reviewing charts and navigation data; and performing preflight inspection/equipment checks (e.g., pitot-static system, transponder, emergency equipment, gyro horizons, attitude indicators, and navigation/comm radios). In skills, the examiner expects you to explain these procedures, obtain and review all necessary info (including NOTAMs, TFRs, and ATC facilities), plan a complete IFR cross-country flight (verifying alternates, fuel, weight/balance), and confirm aircraft equipment meets IFR standards with no MEL restrictions.
### 2. THREE COMMON STUDENT MISTAKES
- **Skipping pitot-static and transponder checks/cert currency**: Students often overlook verifying the 24-calendar-month pitot-static inspection and 24-month (or biennial) transponder check, leading to disqualification during the checkride oral.
- **Inadequate alternate airport planning**: Forgetting to confirm the alternate has an instrument approach and meets the 1-2-3 rule (1 hour before/after ETA at 1500' above surface for 1 ceiling/2 visibility), resulting in incomplete flight plans.
- **Not cross-checking GPS/NAV database expiration**: Relying on outdated nav databases without confirming currency (typically 28 days), which can invalidate RNAV approaches and catch you out on the practical test.
### 3. CFI PRO TIP
Print a laminated "IFR Preflight Flow" card with three columns—Pilot/Currency, Flight Plan/Alts, Aircraft/Equip—and walk through it every time, even on VFR days. Make students verbalize each item ("Pitot-static good until March 2025—check") to build muscle memory; it'll turn preflight chaos into a confident 10-minute routine that examiners love.
### 4. SAFETY SPOTLIGHT
In a 2019 NTSB accident (ERA19FA128), a Cessna 172 pilot departing VFR-into-IMC without verifying gyro functionality during preflight lost attitude awareness, leading to spatial disorientation and a fatal stall-spin. ASRS reports frequently cite unreported vacuum pump failures (over 200 callbacks since 2010) from skipped preflight checks, emphasizing how a quick gyro/ suction test in IMC conditions can prevent "black hole" scenarios—always spin those needles pre-takeoff.
### 5. DID YOU KNOW
Under 14 CFR 91.411, your pitot-static system must be inspected every 24 calendar months for IFR flight, but if you're using it for training, log it as "IFR current" in the aircraft docs—many students miss this and ground the plane unnecessarily.
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