Alaska Accounting and Reporting Directives
Department of Transportation, Bureau of Transportation Statistics, Office of
Airline Information, Alaska Mail Rates
Number 4
Issue Date: August 5, 2004
Effective Date: Immediately
T-100 Reports
Beginning with the August 2004, segment traffic out of an airport must be equal to or
higher than the market traffic out of the same airport. If not, you will be required
to correct the error.
Initially, BTS allowed a 3 percent error in market data to pass through edit for use by
the U.S. Postal Service for mail tender. When the Alaskan carriers were first required
to report T-100 there were many data quality issues. We realized that there was a
learning curve to get all carriers up to speed for reporting purposes. Today, carriers
have had sufficient time to become proficient in T-100 reporting matters, and we
expect "clean" submissions in the future, and we will not routinely accept a
three percent error rate beginning with the T-100 reports for the month of August 2004.
If we did continue to accept a three percent error factor, it would allow carriers
that look for ways "to game the system" to increase their market share for mail
tender purposes by three percent. BTS wishes to protect the carriers that make
the effort to report correctly.
For the airports that we identified as having more market passengers or freight
than segment passengers, you can ignore the airports with less than 3% error prior
to August 2004.
Carriers should be aware that over-reporting of traffic leads to lower terminal and
line haul charges per enplaned ton and RTM respectively. This is true for both
scheduled and nonscheduled service. DOT, the carriers and the USPS are all best
served with consistent accurate reporting.
Donald W. Bright
Assistant Director
Airline Information
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