Technical Questions – Interview Preparation

Aircraft Specific Questions

– What engines are our B737 fleet fitted with?
– How much thrust do they produce?
– Identify this aircraft (pointing to a model)?
– What is the difference between a A320 and B737?
– What is your favorite aircraft and why?
– What is the passenger capacity of this aircraft?
– How many cabin crew does it require?
– What speed does it cruise at?
– What is it’s maximum certified altitude?
– What is it’s maximum take off weight?
– What is it’s range?
– What is the cross wind limit?
– Does the nose wheel have brakes?
– How much fuel does it burn an hour in the cruise?
– What wing sweep does this aircraft have?
– How many emergency exits does the aircraft have?
– How many cabin crew do we need? Why?
– What aircraft category is this aircraft? Why?
– What is it’s MMO?
– What is it’s VMO?
– What is the list price of this aircraft (how much does it cost)?
– When did the aircraft first fly?

Instrumentation Questions

– What is a pitot probe?
– What is a static port?
– What is an air data smart probe?
– Explain a pitot static system.
– What happens if the probes get blocked?
– What if the pitot/static probe gets blocked in the descent?
– What if the pitot/static probe gets blocked in the climb?
– How does an aircraft sense it’s angle of attack?
– What is TAT?
– What’s the difference between TAT and SAT?
– What is the TAT probe?
– How does a basic ASI work?
– How does a basic altimeter work?
– How does a basic VSI work?
– How does an attitude indicator work?
– What is a gyroscope?
– What is gyroscopic precession?
– What is real / apparent wonder?
– What is a PFD / ND / EFIS (Boeing specific)
– What is the EADI / EHSI / EIS (Airbus specific)
– What is an iVSI?
– Talk me through your instrument scan?
– Where does a modern aircraft get it’s attitude information from?

Aerodynamic Questions

– Why do aircraft have swept wings?
– How do you calculate the required sweep of the wings?
– What is a critical mach number?
– What is induced drag?
– What is form drag?
– What is parasite drag?
– How do the drag components vary with speed?
– How does a wing produce lift?
– What is dutch roll?
– What does a yaw dampener do?
– What are wing tip vortices?
– Explain the area rule . . .
– What is the formula for lift?
– What is the formula for drag?
– What is the center of pressure?
– What is angle of attack?
– What is angle of incidence?
– What is the center of gravity?
– Why is the center of gravity important?
– Name the different types of drag . . .
– Why do shockwaves form on the aircraft?
– Where do shockwaves form first?
– What is the purpose of flaps?
– What is the purpose of slats?
– What are Kuger flaps?
– How do the flaps work?
– What are the different types of flaps?
– What are winglets, how do they work?
– What are raked wings?
– What is spanwise flow?
– What is a stall?
– How do you recover from a stall?
– What factors affect the stall speed?
– How does the center of pressure move approaching the stall?
– What are the advantages/disadvantages of T-tail?
– What is a super stall?
– What is the benefit of rear mounted engines?
– What is anhedral?
– What is dihedral?
– What is Mach Buffet?
– What is Mach Tuck?
– What are vortex generators?
– How do ailerons work?
– How does the elevator work?
– What is camber?
– What is aspect ratio?
– What is wing loading?
– What is load factor?
– What is the job of the spoilers?
– What is g-force?
– What is trim runaway?
– How does load factor affect the stall speed?
– What is adverse yaw?
– What is washout?
– Where does a wing stall first?
– Explain how an aircraft fly’s to a ten year old
– What is the purpose of the roll spoliers?
– What is the purpose of the ground spoilers?

Navigation Questions

– What is a VOR/NDB/ADF/ILS/MLS?
– What are the frequency bands for VOR/ILS/NDB?
– How does an ILS work?
– What is DME? How does it work?
– What are the CAT I/II/III/A/B/C minimums?
– What is a SRA?
– What is a rhumb line?
– What is a great circle?
– Give an example of a great circle
– What is GPS? How does GPS work?
– What is IRS/INS? How does it work?
– How does a modern aircraft navigate?
– What is ETOPS?
– What routing would you fly from Hong Kong to New York?
– How long would it take?
– What is the “departure” formula?
– How does radar work?
– What is SSR?
– What is an FIR boundary?
– What is MORA/SH/MSA?
– What is contingency fuel?
– What is final reserve fuel?
– What is a rate one turn?
– How long does it take to turn 180 degrees at rate 1?
– What’s an approach ban?
– What is RNAV, PRNAV and BRNAV?
– What is ACARS?
– What’s special about the frequency 121.500?

Performance Questions

– Why do aircraft fly at high altitudes?
– What are the advantages and disadvantages of flying high?
– What speeds do aircraft fly?
– What is the difference between IAS/CAS/EAS/TAS?
– What is coffin corner?
– What is a buffet margin?
– What limits an aircraft’s altitude?
– What limit an aircraft’s speed?
– What are the benefits of a forward and aft C of G?
– What is Mach Number and how is it calculated?
– What is PNR? How is it calculated?
– What PET/ETP/CP? How is it calculated?
– What does the zero fuel weight include?
– What is MSA?
– What is SSA?
– What is the MEA?
– What is MORA?
– What is FLEX thrust?
– What is assumed temperature?
– What is de-rated thrust?
– What does flat rated mean?
– What is VMCG/VMCA/V1/VR/V2?
– How does temperature, altitude and pressure effect these?
– What is VREF
– What is the dry / wet screen height?
– How high should you be over the runway threshold?
– What factors does the stall speed depend on?
– What is TORA?
– What is TODA?
– What is LDA?
– What ASDA?
– At what altitude does the mach number becoming limiting?
– What is TOGA?
– What is MTOW, MLW, MZFW?
– What is a rate one turn?
– How long would it take to turn 180 degrees if executing a rate one turn?
– What is the standard holding speed at FL150?
– What are your considerations when landing in a strong x-wind?
– What are the three different hold entries?
– Define the final reserve fuel.
– When can contingency fuel be used?
– What’s the minimum fuel you can take-off with?
– When should you declare a PAN or MAYDAY with regards to fuel?
– What factors increase our landing distance?
– When can you carry out an over weight landing?
– What is the QRH? When do you use it?
– What limits your landing weight?
– What limits your take-off weight?
– What influences how much fuel you decide to take?
– Explain the importance of trim on take-off.
– What are the differences between IAS/CAS/EAS/TAS?
– What are your considerations when landing in a tail wind?
– What are your considerations with the temperature is below 10 degrees celcius with the visibility below 1 statue mile?
– What are your considerations when operating on a contaminated runway?
– What are your considerations when operating in low visability conditions?
– What is the danger of engine icing?
– Why is ice on the wings dangerous?
– Can you depart if the navigation lights aren’t working?
– Why would we fly an emergency turn procedure?
– Why is the temperature important for our take-off performance?
– What is the difference between factored and unfactored performance for an airfield? When is each used?
– Explain the driftdown procedure?

Meteorology Questions

– What is ISA?
– What are ISA conditions?
– What are a METARs and TAFs? Decode one.
– How high is the troposphere?
– Does its altitude vary at the equator / poles?
– Name the different atmospheric levels
– Why do clouds form?
– What clouds should you avoid?
– How do thunderstorms form?
– Why do thunderstorms form?
– What are fronts?
– What weather do you associate with a cold front?
– What weather do you associate with a warm front?
– What’s the difference between drizzle and rain?
– How does fog form? What conditions are needed?
– What is advection / radiation fog?
– What is hoar frost?
– What is NEI?
– What conditions can icing conditions occur in?
– What effect does icing have on an aircraft?
– What is carburetor icing?
– What are super cooled water droplets?
– How do super cooled water droplets form?
– What is freezing rain? Why is it dangerous?
– What is the SALR and DALR?
– How do tropical storms form?
– Where would you find hurricanes?
– Where do typhoons form?
– Where do cyclones form?
– What are the doldrums?
– What are the trade winds?
– What is an inversion?
– What is an isothermal layer?
– What is windshear? What are the indications?
– What is a microburst?
– Why does hail/snow occur?
– Why are thunderstorms a threat?
– What are the stages of a thunderstorm?
– How does a thunderstorm form?
– What weather is least desirable for a pilot?
– What does CAVOK mean?
– What is a jet stream? Where do they occur?
– What is clear air turbulence?
– How does a weather radar work?
– What is QNH/QFE/QNE?
– What is turbulence? Why does it occur?
– Can you avoid turbulence?
– How does hot/high/humid affect aircraft performance?
– What do lenticular clouds indicate?
– What are mountain waves?
– What is the coriolis effect?
– What conditions are associated with a low pressure system?
– What conditions are associated with a high pressure system?
– What affects the wind direction and speed?
– What happens to wind with increasing altitude?
– Is wind different in the Northern and Southern hemisphere?
– If you stand with your back to the wind in the Northern hemisphere, where is the area of low pressure?
– Tell me how you would avoid a thunderstorm?

General Questions

– What is CRM?
– What are non-technical skills?
– What are “no techs”?
– What is a NOTOC?
– What is risk management?
– When do you think it is approprate to manually fly?
– What would you do if you found the nav light wasnt working?
– What is the MEL?
– What is a deferred defect?