SECTION ONE:
Categories           Range    #     %
======================================
1 - Reciprocating    1-100    100  39.7*
2 - Jet engines      101-222  122  48.4*
3 - Regulations      223-252  30   11.9*
======================================
3 - 7 wrong max.     1-252    252 100.0

SECTION TWO:
Categories           Range    #     %
========================================
4 - Instruments      253-305  53    7.3*
5 - Fire             306-335  30    4.1
6 - Electrical       336-405  70    9.6*
7 - Lubrication      406-501  96   13.2*
8 - Ignition         502-621  120  16.5*
9 - Water injection  622-629  8     1.0
10 - Carburetion     630-726  97   13.7*
11 - Fuel systems    727-768  42    5.8
12 - Carburetor heat 769-777  9     1.2
13 - Supercharging   778-802  25    3.4
14 - Engine general  803-809  7     1.0
15 - Air cooling     810-844  35    4.8
16 - Exhaust systems 845-873  29    4.0
17 - Propeller       874-980  107  14.7*
========================================
14 - 22 wrong max.   253-980 728  100.0