561. Passenger Average Bag Weight


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J E G Ricard: 561. Passenger Average Bag Weight. 1966.



In advent, in 1965, of the ‘3-Free-Bag’ concept for the North American airline passengers has left the airlines with a problem. How can an aircraft baggage load be efficiently monitored? By S.S.B.!
S.S.B. stands for Systematic Survey of Baggage. It is a continuous sampling plan to provide:
1. Passenger Average Checked Bag Weight.
2. Passenger Average Cabin Bag Weight.
3. Average Bag Weight per Passenger.
Intensive ‘Blitz’ type (week-long) surveys have the following important disadvantages:
1. The results obtained may not, obviously, be representative for year around application.
2. Changes in passenger habits, if any, would be undetected.
3. The voluminous data can be a burden to everyone involved in obtaining or processing them, in such a short time.
S.S.B. provides:
1. Improved safety for aircraft loading, weight and balance wise.
2. Current assessment of baggage average weights to the accuracy desired.
3. Detection of any significant factor affecting the average weights, e.g., seasonal factor.
4. Improved payload estimates and therefore better revenue forecast.
5. Yearly data volume equivalent to ‘Blitz’ type survey. Therefore not as congestive and much more rewarding.
More than one average weight may be necessary to account for differences in type of operations such as Domestic or Overseas; or even direction of lights. It may be discovered that averages are not applicable to some flight segments because the passenger bag weight average fluctuates too much. Caution should be exercised in applying the obtained averages until a sufficient trend has been established.


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