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37 Cards in this Set
- Front
- Back
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Name at least 3 possible hazards that may be encountered during typical ground ops, such as during engine run up or taxiing? |
Fire during start, rotating propellers, rotors, jet blast , people , other planes, vehicles , FOD, etc |
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What is the most generally used knot for tying down small aircraft? |
Bowline knot |
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Describe the precautions that should be taken to protect life and property while starting and running an aircraft engine? |
Check for FOD, watch out for jet blast blowing into other planes, hangars, etc. have a fire guard nearby. Read flight manual |
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If an engine induction fire occurs while starting a recip engine, what procedure should be followed to extinguish the fire? |
Continue cranking the engine. If the fire doesn’t cease, stop cranking, and use a fire extinguisher |
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What safety procedures must be observed when hand propping a small aircraft engine? |
Have someone in the cockpit , check the brakes. Call “switch off” before moving prop. When ready to start, call “Contact” and listen for the reply. Swing the prop with the flat of your hand and move back from the prop arc |
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What safety procedures must be observed when hand propping a small aircraft engine? |
Have someone in the cockpit , check the brakes. Call “switch off” before moving prop. When ready to start, call “Contact” and listen for the reply. Swing the prop with the flat of your hand and move back from the prop arc |
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What procedure should be followed prior to starting a large radial engine to detect and /or prevent a hydraulic lock in the cylinders ? |
Pull the prop through 3-4 revolutions . Resistance to the prop turning indicates possible hydraulic lock in at least one of the cylinders |
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What is meant by the term “Hot Start” in a jet engine ? |
When the manufacturers EGT limit for starting is exceeded.
Usually when ignition occurs with an excessively rich mixture |
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What is meant by the term “Hot Start” in a jet engine ? |
When the manufacturers EGT limit for starting is exceeded.
Usually when ignition occurs with an excessively rich mixture |
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When towing an aircraft, should you use the tow vehicle or aircraft brakes to stop the aircraft? |
The tow brakes. Only use the aircraft ones during emergency |
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What is meant by the term “Hot Start” in a jet engine ? |
When the manufacturers EGT limit for starting is exceeded.
Usually when ignition occurs with an excessively rich mixture |
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When towing an aircraft, should you use the tow vehicle or aircraft brakes to stop the aircraft? |
The tow brakes. Only use the aircraft ones during emergency |
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Why should an aircraft technician become familiar with standard light signals? |
Because light signals are used when the plane doesn’t have a radio or if it becomes inoperative |
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If a mixture of Avgas and jet fuel is used in a recip engine, what are the possible results |
The engine could be damaged or destroyed |
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If a mixture of Avgas and jet fuel is used in a recip engine, what are the possible results |
The engine could be damaged or destroyed |
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What does the number 100 signify in 100LL aviation gasoline? |
The octane rating of the fuel |
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If a mixture of Avgas and jet fuel is used in a recip engine, what are the possible results |
The engine could be damaged or destroyed |
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What does the number 100 signify in 100LL aviation gasoline? |
The octane rating of the fuel |
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Is it permissible to use avgas in a turbine engine? |
Limited operation may be allowed by the manufacturer. Continued use may reduce efficiency due to lead deposits on the turbine blades |
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What are some of the possible outcomes of using a lower grade of avgas than the specified grade? |
Could be detonation , loss of engine power, and overheating |
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Part 23.973 of the FAA regulations specifies that certain markings must be placed adjacent to fuel filler openings. What markings are used for recip planes ? |
The word “Avgas” |
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Describe the important precautions that should be observed when fueling an aircraft? |
Make sure it’s the CORRECT fuel lol , properly ground the aircraft and refueling unit, protect the aircraft surfaces from hose and nozzle damage |
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Describe the important precautions that should be observed when fueling an aircraft? |
Make sure it’s the CORRECT fuel lol , properly ground the aircraft and refueling unit, protect the aircraft surfaces from hose and nozzle damage |
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He marking requirements for oil tank filler openings are specified by FAR 23.1157. What markings are required for a piston engine powered plane? |
The word “Oil” and the grade of oil |
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Where can the standard aircraft taxi hand signals be found? |
In the Aeronautical Information Manual (AIM) |
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Where can the standard aircraft taxi hand signals be found? |
In the Aeronautical Information Manual (AIM) |
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Under what conditions should a recip engine be pre-oiled? |
Before you start a new engine or one that has been preserved for storage. Makes sure there’s adequate lube for startup |
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Under what conditions may automobile gasoline be used in an aircraft engine? |
Only if the FAA says it’s okay through an STC |
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What are the indications of water in aircraft fuel after draining a sample from the fuel sumps? |
The sample may have a cloudy or hazy appearance or a solid slug of water |
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What special precautions should be taken when towing an aircraft that has a steerable nose wheel? |
Be sure that the nose wheel doesn’t try to turn past its stops |
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What special precautions should be taken when towing an aircraft that has a steerable nose wheel? |
Be sure that the nose wheel doesn’t try to turn past its stops |
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Where can you find standard hand signals for directing a taxiing aircraft? |
General textbook page 629 |
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What do you extinguish an induction fire in a recip engine ? |
Carbon Dioxide (CO2) into the carburetor air inlet if cranking the engine doesn’t work to blow it out |
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What should a mechanic do if while taxiing a plane on a runway, the tower shines a flashing red light at him? |
Get off the runway in use |
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When starting an aircraft engine equipped with a float type carb, what position should the carburetor heat control be placed? |
Cold |
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What’s liquid lock and how is it cleared? |
When oil accumulates in the cylinders and prevents the piston from moving to the top of its stroke . To clear it, take out a spark plug and turn the prop until all of the oil is forced out the cylinder |
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What kind of rope is best to tie a plane down ? |
Nylon or polypropylene |
