ANAC Private Pilot Helicopter (PPH) (ANAC) common mistakes
ANAC Private Pilot Helicopter (PPH) · Understand the traps and how to avoid them.
Answering air-law questions from general aviation fixed-wing habits (e.g., assuming standard VFR minima or document validity periods) instead of the specific ANAC helicopter rules written in the regulation.
Candidates memorise rules as a blur of numbers and transfer fixed-wing assumptions, and the helicopter-specific exemptions and validity periods are easy to confuse when learned by rote.
What to do instead
For each rule, write the exact article/number, the aircraft category it applies to, and one worked example; drill the helicopter-specific exceptions separately from fixed-wing ones until you can state them without prompts.
Misidentifying which documents and inspections must be on board or current for a helicopter flight (e.g., confusing airworthiness certificate validity with maintenance release or insurance carriage).
The documents cluster looks similar on paper, and candidates lump 'certificate valid' with 'maintenance performed' and 'release issued' as one concept.
What to do instead
Build a one-page table: document, who issues it, validity/currency trigger, must it be carried, who is responsible. Recite the table from memory before each practice set.
Confusing anti-torque pedal inputs with cyclic inputs when describing the effect of controls, and mis-stating what happens to tail rotor thrust when collective is raised.
The interdependence of collective, throttle, and pedal is taught as a sequence, so candidates memorise the order but not the causal direction of each force.
What to do instead
Draw the tail-rotor thrust and main-rotor torque arrows for three states (hover, climb, autorotation) and label which control changes which arrow; explain each drawing aloud.
Treating the helicopter's never-exceed speed and Vne-related limitations as a single fixed number, ignoring how weight, altitude, and density altitude change the limit.
Limitations are memorised as a list of speeds from the flight manual, and the conditional nature of some limits is skipped.
What to do instead
For each limitation in the flight manual, note whether it is fixed or conditional; make a card stating the condition and the resulting limit, and practise applying it to two different weight/altitude scenarios.
Computing performance with density altitude ignored or with the wrong entry (using pressure altitude or OAT alone instead of the combined density altitude).
Candidates rush the chart and read across from the wrong axis, and under exam time pressure they skip the intermediate density-altitude step.
What to do instead
Always write the three-step chain (pressure altitude, then temperature correction to density altitude, then the performance value) before touching the chart; do five chart reads per session and show every intermediate number.
Ignoring wind, slope, and surface effects when calculating takeoff/landing distance and hover performance, then choosing an answer that matches the book figure exactly.
The chart gives a clean number, and candidates stop there rather than applying the correction factors the question implies.
What to do instead
After every chart read, list the corrections that apply (wind, slope, surface, obstacle clearance) and apply them in a fixed order; if a question gives no correction data, state that assumption explicitly.
Mixing up the symptoms and correct responses for spatial disorientation versus hypoxia versus hyperventilation, and choosing the wrong recovery action.
The symptom lists overlap (dizziness, tingling, confusion), and candidates learn symptoms without pairing them to the correct response.
What to do instead
Use a three-column table (condition, distinguishing symptom, correct action) and self-test by symptom only, forcing yourself to name the condition and the action together.
Underestimating the effect of fatigue, dehydration, and self-imposed pressure on decision-making, and answering 'what the pilot should do' with the ideal rather than the realistic risk-based action.
Human performance questions reward recognising degraded performance, but candidates answer with the textbook ideal and miss the hazard the scenario is testing.
What to do instead
For each scenario, first name the human factor present, then state the risk it creates, then the mitigation; practise identifying the factor before reading the answer options.
Reading a METAR/TAF and reporting the trend or the significant weather incorrectly (e.g., missing a TEMPO group, misreading the wind direction reference, or confusing QNH with QFE).
The coded groups are memorised as vocabulary but not practised as a whole report, so candidates decode words without assembling the actual forecast picture.
What to do instead
Decode full METARs and TAFs aloud daily, stating wind, visibility, weather, cloud, temperature, pressure, and any trend in that fixed order; keep a QNH/QFE definition card.
Misjudging wind and density-altitude effects on navigation groundspeed and fuel, and planning with still-air figures only.
Candidates compute the heading and time from the triangle but forget to carry the wind effect through to fuel burn and reserves.
What to do instead
For every navigation problem, compute groundspeed for each leg, then recompute fuel and reserve with that groundspeed; check the answer against a still-air figure to see the difference.
Stating a radio call with the wrong sequence or omitting elements (station called, callsign, position, intention), or misusing distress versus urgency phrasing.
Phraseology is learned as phrases rather than as a structure, so under pressure elements drop out.
What to do instead
Practise a fixed skeleton (who you call, who you are, where you are, what you want) for each call type, and separately drill MAYDAY versus PAN PAN triggers until the choice is automatic.
Applying fixed-wing principles to helicopter questions (e.g., explaining lift, autorotation entry, or retreating-blade stall with aeroplane logic).
Candidates with fixed-wing background carry over analogies that do not hold for rotors, and the exam deliberately tests rotor-specific behaviour.
What to do instead
For each principle, write the helicopter-specific mechanism (relative airflow over the blade, angle of attack variation along the span, rotor rpm management) and contrast it with the fixed-wing case; never answer from analogy alone.