This test was transcribed from a wartime original donated to us by our friend Howard Lawson of Jacksonville, Florida.
Use the toggle bar below each question to read the answers.
Note that the test concerns an E-model B-17, and as such, the questions and answers are not always in line with the more common F and G-models.
B-17E Questionnaire.
NAME: ______ DATE: ______
1. (a) In what order should the engines be started, both electrically and manually? (b) Why?
(a) #1, #2, #3, and#4.
(b) This sequence will be expected by ground crews and lessens danger of men being hit by propellers. It also protects men who are cranking engines by hand or external energizer, next to a "dead" propeller. Also #1 engine provides hydraulic pressure.
2. (a) Can wheels and/or tail wheel be retracted or extended independently of one another? (b) Together?
(a) Yes, when done manually.
(b) Yes, when done electrically.
3. Give various steps in feathering a propeller in (a) Emergency (b) Practice
(a)
1. Close propeller feathering switch.
2. Close supercharger.
3. Close throttle.
4. Move mixture control to idle cut off position.
5. Turn off fuel, shut off valve and boost pumps.
6. Turn off ignitions switch after propeller has stopped.
(b)
1. Close throttle
2. Close supercharger
3. Move mixture control to idle cut off position.
4. Turn off fuel, shut off valve and boost pump.
5. Close propeller feathering switch.
6. Turn off ignition switch with throttle closed.
4. Give various steps in unfeathering a propeller.
1. Turn on ignition switch with throttle closed.
2. Set propeller pitch to full high pitch position.
3. Turn on fuel, shut off valve and boost pump.
4. Move mixture control to automatic rich position.
5. Close propeller feathering switch until tachometer reading is 800 R.P.M., release.
6. Allow engine to operate at low R.P.M. until required engine temperatures are reached.
7. Open throttle gradually as head and oil temperatures rise until desired manifold pressure is reached, adjust throttle and propeller pitch to desire power and R.P.M., synchronize.
8. Adjust supercharger.
5. Should engines be started with surface controls locked?
No.
6. (a) What is normal fuel capacity? (b) What is maximum fuel capacity? (c) What is the total fuel capacity of the bomb-bay tanks? (d) What is the fuel capacity of tank or tanks supplying - Engine #1? Engine #2? Engine #3? Engine #4? (e) How is fuel in the bomb tanks used?
(a) 1700 US gallons.
(b) 2490 US gallons
(c) 790 US gallons
(d) 425 US gallons, 425 US gallons, 425 US gallons, 425 US gallons.
(e) By use of transfer pump to engine tank or tanks.
For B-17F:
(a) 1700 US gallons (2780 for aircraft with Tokyo Tanks)
(b) 3600 gallons
(c) 820
(d) 425 US gallons, 425 US gallons, 425 US gallons, 425 US gallons.
(e) By use of transfer pump to engine tank or tanks.
7. (a) What is the maximum allowable air speed at which flaps may be lowered? (b) What is the maximum allowable diving speed?
(a) 147 miles per hour.
(b) 305 miles per hour.
8. (a) How many exits are available for emergency use? (b) Give location of each?
(a) Five
(b)
1. Front entrance door beneath pilot's compartment
2. Bomb bay doors.
3. Main entrance door in main gunner's compartment.
4. Gunner's side windows in main gunner's compartment.
5. Tail door in tail gunner's compartment.
9. (a) What type of fire extinguishers are used in this airplane? (b) Give location of each?
(a)
1. CO2 engine fire extinguisher system
2. Four Carbon Tetrachloride hand fire extinguishers.
(b)
1. CO2 system controls are located on extreme right hand side of instrument panel and are operated by means of a four way selector valve and two release handles, each handle discharging a bottle of CO2. These bottles are located in right wing.
2. Hand extinguishers are located as follows: beneath copilot's seat, at forward power turret, on rear bulkhead of bomb bay, and on right of main entrance door. They are operated by turning handle and pumping.
For B-17F:
(a)
1. CO2 engine fire extinguisher system. (Not available on all F-models)
2. Three CO2 hand fire extinguishers and two Carbon Tetrachloride hand fire extinguishers.
(b)
1. CO2 system controls are located on extreme right hand side of instrument panel and are operated by means of a four way selector valve and two release handles, each handle discharging a bottle of CO2. These bottles are located in right wing.
2. CO2 hand extinguishers are located as follows: on forward rear bulkhead of nose compartment, on forward rear bulkhead of cockpit, and rear forward bulkhead of radio compartment. Location of Carbon Tetrachloride hand extinguishers vary.
10. Give procedure in case of engine fire in flight.
1. Stop engine.
2. Close cowl flaps.
3. Turn off fuel supply.
4. Turn off booster pump.
5. Set fire extinguisher selector valve.
6. Full charge. If fire is not extinguished, pull second charge.
7. Feather prop to prevent excessive vibration.
8. Use full charge for one engine on fire. Do not attempt to distribute charge if fire occurs in more than one engine.
11. (a) How many emergency bomb releases are installed? (b) Give location of each. (c) Explain procedure of operation.
(a) Two
(b)
1. On floor at pilot's left.
2. Above step at forward end of bomb bay.
(c) First pull of either handle opens bomb bay doors, second pull drops all bombs salvo.
12. (a) On what engines are vacuum pumps installed? (b) How can pumps be checked individually?
(a) One engines #2 and #3.
(b) Start engine #2 and #3, check vacuum, with selector valve on left, then on right.
13. In event of engine hydraulic pump failure, what position should hydraulic hand pump valve be set to give brake and cowl flap operation?
Normal.
14. Why should power be reduced after take-off before lowering propeller RPM?
To prevent excessive manifold pressure, and detonation because of engines operating under a load.
15. Why is carburetor icing seldom found in pressure type carburetor?
Gasoline is injected below venturi.
16. Where is icing likely to occur in the 1820-65 engine?
In induction system at the small openings in the intercooler.
The B-17F series used R-1820-97 engines.
17. (a) Should more than one started be energized simultaneously? (b) Why?
(a) No.
(b) Load on batteries is too great.
18. What should landing gear retracting switch be turned off even though the retraction or extension has been completed?
To prevent burning out motor in event limit switch fails.
19. (a) Should landing gear be retracted during practice take-offs and landings? (b) Why?
(a) No.
(b) To avoid undue wear on landing gear retracting motor and to allow brakes to cool.
20. (a) What provisions are made for climatization and propeller ice? (b) Where are the controls?
(a) Distribution of an alcohol and glycerin mixture along the leading edges of all propeller blades. Two electric driven gear pumps draw fluid from a supply tank and force it to slinger rings installed on the propellers.
(b) A toggle switch on the sidewall at pilot's left and two rheostats installed on floor at pilot's left.
21. (a) Describe briefly autosyn invertors? (b) Explain their use.
(a) They consist of two devices. One located under pilot's seat and one under co-pilot's seat which change DC from battery and generators to 25 and 115 volt, 400 cycle AC.
(b) The one in operator supplies 56 volt - 400 cycle to operate autosyn instrument and 145 volt 400 cycle for the fluorescent lights.
22. By what method can bomb bay tanks be released?
By bomb release mechanism of the bomb rack they are attached to or by the emergency bomb release.
23. Are flare racks installed?
No.
24. (a) Where are life rafts carried? (b) Where are controls located? (c) Explain in detail the use and operation of those controls.
(a) One on each side of the top bomb bay fairing.
(b) In ceiling of radio compartment.
(c) Pull release handles. Rafts will eject and inflate automatically.
25. (a) When landing gear is operated manually, should assistance be given electrically? (b) Why?
(a) No.
(b) Crank may spin and injure operating personnel.
26. (a) What supplies pressure for supercharger regulators? (b) Where are supercharger controls located? (c) How can operation of regulator control be checked with engine idling on the ground?
(a) Engine oil pumps
(b) On central control panel in pilot's compartment.
(c) By operation observed by someone on the ground.
27. If intercooler becomes coated with ice, how is this eliminated?
(a) By moving intercooler heat to one position.
(b) By using supercharger to excess and reducing manifold pressure with throttle. This heats intercooler air. Caution must be exercised to prevent detonation due to lean mixture.
28. What units depend on the hydraulic pressure system for their operation?
Brakes and cowl flaps.
29. Except in an emergency how many propellers should be feathered at one time?
One to prevent overload of battery.
30. (a) Why is it desirable that engines #2, #3, or #4 be feathered for practice purposes?
Engines #2, #3, and #4 have no hydraulic pumps and therefore no loss of hydraulic pressure is incurred.
31. What auxiliary equipment is lost by the failure of - (a) #1 engine? (b) #2 engine? (c) #3 engine? (d) #4 engine?
(a)
1. Generator
2. Hydraulic pump.
(b)
1. Generator
2. Vacuum pump.
(c)
1. Generator
2. Vacuum pump.
(d) Generator
32. Explain fuel system as follows - (a) How is fuel transmitted from tank to carburetor? (b) Can all or two engines use fuel from one tank? (c) Can fuel be transferred from one tank to another - how? (d) How can fuel be pumped from left bomb-bay tank to #1 engine tank? (e) Why are fuel gauges less accurate in this type system?
(a) By engine driven fuel pump
(b) No, each engine has separate fuel tanks.
(c) Yes, by means of fuel transfer pump.
(d) Fuel must first be pumped to a right hand tank, then back to #1 engine tank, thus going across enter line of the ship.
(e) Tanks are not baffled.
33. (a) What is the maximum permissible gross weight of the airplane overloaded? (b) What caution should be exercised when operating the airplane overloaded?
(a) 48726 lbs
(b) Use all of field and maximum power for takeoff. Operate at desired cruising speed instead of maximum until weight is reduced to normal. Reduce to long range cruising in rough air.
34. Should landing gear be retracted as soon after take-off as possible?
Yes, except when practicing landings. In case of two engines failing with gear down after takeoff, raise gear as soon as possible.
35. Why is it desirable that #1 engine be running before starting #2, #3, or #4?
In order to have hydraulic pressure for positive brake action.
36. (a) When and why do you turn on electric fuel booster pumps? (b) What booster pump must be on in order to prime any engine? (c) Why should primer (hand) be in off position when priming is completed?
(a) When starting engines for pressure at carburetor, when operating at high altitudes, and for takeoff.
(b) Booster pump #3. All primer lines are connected to #3 fuel booster at the tank.
(c) To prevent over-priming.
37. Why is throttle pumping harmful in starting high pressure carburetor engine?
It causes backfire hazards due to lean mixture.
38. (a) How should engines be started? (b) What precaution should be observed after each engine is started while starting the others? (c) How should engines be stopped?
(a)
1. Turn engines through by hand five times.
2. Unlock flight controls.
3. Turn master ignition, battery on.
4. Cowl flaps on.
5. Fuel transfer valves off.
6. Fire extinguisher selector valve set to engine being started.
7. Supercharger off.
8. Carburetor heat (intercooler) cold.
9. Mixture control in idle cut off position.
10. Fuel booster pumps on.
11. Prime engines by putting mixture controls in auto rich position until gasoline drips from engines. Return to off position.
12. Throttle set to 600-800 RPM.
13. Propeller set to full low pitch (high RPM).
14. Turn magneto to both on.
15. Energize, prime with hand primer and at same time mesh starter. When engine begins to fire move mixture control immediately to automatic rich.
16. Turn generator switches on as each engine is started.
(b) Run each engine fast enough to cause generator to charge while using other starters.
(c)
1. Idle engines at 600-800 RPM.
2. Move mixture controls to idle cut off position.
3. Leave fuel cocks in on position.
4. As engines stop move throttles to full open position.
5. After engines stop turning turn off all switches.
39. Why should engines be idled at 600-800 RPM a short time before stopping?
To reduce cylinder head temperatures and properly scavenge crankcases of oil.
40. What is engine RPM, manifold pressure, and carburetor mixture adjustment for the following: (a) Climb and high speed? (b) Cruising (desired)? (c) Cruising (maximum)? (d) Cruising (long range)?
(a) 2300 RPM; 36" Hg; Auto rich.
(b) 2000 RPM; 30" Hg; Auto rich.
(c) 2000 RPM; 33" Hg; Auto rich.
(d) 1700 RPM; 27" Hg; Auto rich.
41. What is cylinder head temperature for the following - (a) Maximum allowable for take-off and climb (5 min. max. time)? (b) Continuous operation (Rated power)? (c) Continuous operation (Cruising power)?
(a) 260° C
(b) 218° C
(c) 205° C
42. What is oil pressure in lbs./sq. in. for the following? (a) Desired? (b) Maximum? (c) Minimum? (d) Minimum idling?
(a) 75 lbs/sq. in
(b) 80 lbs/sq. in
(c) 70 lbs/sq. in
(d) 15 lbs/sq. in
43. What is fuel pressure in lbs./sq. in. for the following: (a) Desired? (b) Maximum? (c) Minimum?
(a) 12 to 16 lbs/sq. in
(b) 16 lbs/sq. in
(c) 12 lbs/sq. in
44. What is the oil temperature for the following: (a) Desired? (b) Maximum?
(a) 70° C
(b) 88° C
45. What is the fuel consumption per engine per hour for the following? (a) Climb and high speed? (b) Cruising (desired)? (c) Cruising (maximum)? (d) Cruising (long range)?
(a) 110 gals/hr.
(b) 51 gals/hr.
(c) 62 gals/hr.
(d) 38 gals/hr.
46. Should engine controls be shot away what predetermined position will your controls assume?
1. Throttles wide open.
2. Supercharger regulator 65% power.
3. Carburetor temperature (intercooler) cold.
4. Engine RPM 1850.
47. How is manifold pressure set for take-off when supercharging is desired?
Open throttle on one engine at a time to full open position, set supercharger regulator to desired manifold pressure, return throttle to idling position.
48. (a) When is oil dilution system used? (b) Explain operation?
(a) In cold weather operation when engines are stopped for a period long enough to allow oil to become viscous.
(b) With engines running, push dilution switches for a period not to exceed 4 minutes (note drop in fuel pressure and oil pressure.)
49. What is the first action in case of a runaway supercharger or propeller?
Throttle engine back.
50. What effect do the fumes from carbon tetrachloride fire extinguishers have on humans?
These fumes, known as Phosgene Gas, are poisonous.
51. How are ailerons locked?
By a manual locking pin through the control column.
52. What are the various normal design bomb loads?
1. 4 six hundred lb. bombs.
2. 20 one hundred lb bombs.
3. 8 three hundred lb bombs.
4. 2 eleven hundred lb. bombs.
5. 1 two thousand lb bomb.
For the B-17F:
1. 20 one hundred lb bombs.
2. 6 three hundred lb bombs.
3. 4 five hundred lb bombs.
4. 2 one thousand lb bombs.
5. 1 one thousand six hundred lb bomb.
6. 1 two thousand lb bomb.
*figures do not account for externally mounted wing racks.
53. (a) What is the overload permissible with a reduction in gasoline? (b) What is the maximum bombload possible?
1. 14 three hundred lb bombs.
2. 8 five hundred lb bombs.
3. 4 one thousand lb bombs.
4. 2 two thousand lb bombs.
For the B-17F:
1. 24 one hundred lb bombs.
2. 16 three hundred lb bombs.
3. 12 five hundred lb bombs.
4. 6 one thousand lb bombs.
5. 8 one thousand six hundred lb bombs.
6. 2 two thousand lb bombs.
*figures do not account for externally mounted wing racks.
54. Where is the main supply tank for the hydraulic system located?
Behind cabin door on right side of bomb bay.
55. Name three ways pilot can attract attention of various crew members?
1. Interphone
2. Alarm bell.
3. Phone call (signal light)
56. Why can the radio compass be used satisfactorily during periods of intense static?
Loop antenna is shielded.
57. When using radio for beam flying why should volume on the interphone control box be kept to a minimum?
If the volume is high it will act as an automatic volume control, making it difficult to get a fadeout or buildup.
58. (a) Describe effectiveness of the various controls as the airplane approaches a stall. (b) Why should one hand be kept on throttle when taking off and landing?
(a) Controls lose effectiveness in the following order: ailerons, elevator, and rudder, therefore ailerons should not be used as they merely increase wingtip stall conditions.
(b) Engines will give most effective aid if you get into trouble at this time and should be used instantly.
59. What compartment is most desirable for storing weight with regard to the center of gravity of the airplane?
Radio compartment, and compartment under pilot's floor passageway if not blocked. With no personnel in nose, entire nose may be filled with bulk load. Concentrated weight should be carried on a removable floor built for bomb bay.
60. Describe the procedure to be followed when a forced landing is to be made on water.
The airplane commander will:
1. Notify crew that water landing is being made and life belts will be put on.
2. Release bomb bay tanks, if carried and more than half full of fuel.
3. Check with bombardier that all bombs are released and bomb bay doors are closed.
4. Check with navigator and direct radio operator to send distress message.
5. Make normal slow landing with flaps down and landing gear up, contacting water slightly tail first.
The copilot will:
1. Cut engines, feather props, cut fuel and all switches. (Note: Engines must be left on until radio and interphone are no longer necessary.)
2. Assist airplane commander as directed.
The bombardier will:
1. Open bomb bay doors, release bomb bay tanks if so directed.
2. Release all bombs, close bomb bay doors.
3. Proceed to radio compartment.
The engineer will:
1. See that each enlisted man is wearing his life belt.
2. See that doors between pilot's compartment, bomb bay, radio compartment, and main gunner's compartment are locked open.
3. See that tail gunner is out of tail gunner's compartment.
4. See that gunner's side windows are closed.
5. Stand by in radio compartment to open overhead hatch and release life rafts when directed.
The navigator will:
1. Definitely determine position and notify pilot and radio operator.
2. Proceed to radio compartment, and supervise sending of position report.
The radio operator will:
1. Send distress signal as directed by airplane commander.
2. Send position reports as directed by navigator.
If airplane is in normal attitude after landing has been effected, personnel will abandon airplane as follows:
One lift raft:
a. Pilot
b. Bombardier
c. Engineer
d. Gunner
Other lift raft:
a. Copilot
b. Navigator
c. Radio Operator
d. Gunner
Note:
1. Life rafts should not be launched until tied to airplane, unless airplane is sinking rapidly.
2. In assigning personnel to life rafts, airplane commander will give consideration to weights of personnel, making any changes from above order if necessary.
3. Airplane commander will equally divide all available drinking water and emergency provisions between lift rafts.
61. (a) In case of radio failure and inverter stoppage after taxiing out, what is likely to be the trouble? (b) What is the procedure in this case?
(a) Low batteries.
(b) Hold brakes and run up engines fast enough to cause generator to charge. If low batteries are the cause, radio and inverter will operate almost immediately.
62. What is the number of available spaces for passengers and crew?
There are six assigned spaces for normal crew. There are ten assigned spaces for normal crew plus additional crew.
63. Pilots will be required to demonstrate (while in the airplane to the check pilot) that they have satisfactory knowledge as to the location of the following instruments:
Life raft control.
Emergency bomb release.
Hydraulic supply tanks.
Fuel transfer valve and switch inverters, right & left.
Propeller anti-icers, control & switch
Wing de-icers, valve.
Aileron tabs, control.
Elevator tabs, control.
Rudder tabs.
Cabin air control.
Vacuum pump selector valve.
Passing light switch.
Bomber call switch.
Phone call switch.
Inverters switch.
Pilot heater switch.
Landing gear warning switch.
Battery switches.
Amp. Meters.
Generator switches.
Voltmeter.
Voltmeter selector switch.
Rheostat position lights.
Alarm bell switch.
Running light switches.
Adjustment levers rudder pedal.
Spare lamps fluorescent.
Cockpit air control and windshield anti-frost control.
Rheostat lamp, landing gear and tail wheel.
Aileron lock.
Bomb release light.
AFCE lights.
PDI instrument.
Vacuum pump warning light.
Oil pressure warning light.
Inverter volt meter.
Suction gage.
Hydraulic pressure gage.
Bomber call light.
Landing gear down light.
Flight indicator.
Tail wheel lock light.
Radio compass needle.
Turn indicator.
Radio call number.
Altimeter.
Marker beacon light.
Air Speed Indicator.
Bank and turn.
Climb indicator (Note how this instrument is graduated).
Prop feathering switches.
Manifold pressure gage.
Tachometers.
Flap indicator.
Fuel pressure gages.
Oil pressure gages.
Oil in temperature gages.
Fuel tank gages.
De-icer gage.
Cylinder head temperature gages.
Spare land for signal and cockpit lights.
Oil dilution switches.
Engine starter switches.
Engine fire Extinguisher valves.
Parking brake release lever.
Intercooler heat controls.
Engine primer.
Hydraulic hand pump.
Valve position indicator hydraulic.
Hand pump (Hydraulic).
Ignition switches.
Heater ignition switch.
Fuel shut off valve switches.
Booster pump switches.
Instrument panel light switch.
Instrument light switch.
Landing gear switch.
Flap switch.
Landing light switch.
Identification light switches.
Cowl flap controls.
Throttles.
Throttle lock.
Propeller control.
Propeller control lock.
Mixture control levers.
Supercharger levers.
Mixture & Supercharger lock.
AFCE switches.
Tail wheel lock.
Rudder and Elevator lock.
Clock.
B-12 or Pilots compass.
Free air temperature gage.
Command set receiver tuning dial and light switch.
High and low frequency switch.
Radio compass controls.
Interphone junction boxes.
Switch box for range voice or both.
Pilot trouble lamp.
I certify that _____ is familiar with the above mentioned instruments and controls.
_____
Rank, Name of Check Pilot