✈️ Aviation Brief — Issue #59
Weekly insights for student pilots and the instructors who train them.
THIS WEEK'S TOPIC
IA.III.B — Instrument Departure (Instrument Rating ACS)
### 1. ACS STANDARDS SUMMARY
Per the FAA Instrument Rating ACS (IA.III.B), the examiner expects you to demonstrate instructional **knowledge** of departure planning sources like published Departure Procedures (DPs, including SIDs, ODPs, and DVAs), plus **risk management** for factors like wind shear, ATC instructions, and situational awareness during transition from visual to instrument flight. In **skills**, you must: comply with ATC clearances/instructions; complete the before-takeoff checklist; brief any published departure (covering altitudes, headings, nav sources, and restrictions); select the proper nav source (e.g., GPS or VOR); maintain positive aircraft control; and apply proper instrument cross-check/scan while transitioning to en route structure. No deviations allowed without ATC approval—it's all about smooth, precise execution from runway to airways.
### 2. THREE COMMON STUDENT MISTAKES
- **Incomplete or skipped departure briefing**: Students often rush takeoff without verbalizing the SID/ODP details (e.g., "Climb runway heading to 3,000, expect vectors"), leading to missed altitude fixes or nav source switches during high-workload departure.
- **Poor airspeed and pitch control on climb-out**: Fixating on heading or nav instead of airspeed results in ballooning above Vy or settling below climb speed in the 172, especially with a full load or density altitude in Vegas heat.
- **Delayed response to ATC or frequency changes**: Getting tunnel vision on instruments post-takeoff means missing "radar contact, fly heading 090" or the next freq handoff, causing vector deviations or airspace busts.
### 3. CFI PRO TIP
Always do a "three Ps" verbal briefing 30 seconds before takeoff: **Procedure** (SID steps and restrictions), **Power/Performance** (climb speed, prop/ mixture for density altitude), and **Plan B** (lost comms or go-around). Say it out loud every time—it builds muscle memory, catches errors early, and keeps you ahead of the jet during busy Vegas departures. I've seen it turn shaky checkrides into aces.
### 4. SAFETY SPOTLIGHT
NTSB data shows instrument departures are high-risk for controlled flight into terrain (CFIT), especially at night or in mountains—e.g., a 2019 Cessna 172 fatal in rising terrain near Las Vegas after the pilot deviated from an ODP without climbing fast enough (NTSB WPR19FA108). ASRS reports highlight 200+ annual incidents where pilots bust altitude restrictions on SIDs due to distraction; sticking to the procedure ensures ATC-vetted obstacle clearance, buying you time to build SA as you climb into IMC.
### 5. DID YOU KNOW
The FAA publishes over 1,000 SIDs nationwide, but in diverse vector areas (DVAs)—common around busy spots like LAS—you can often expect immediate radar vectors instead of flying a full procedure, slashing your workload if ATC clears "radar contact, fly heading 180."
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