Note 9. General Property, Plant and Equipment:

(Dollars in Thousands)

Major Classes Service
Life *
Acquisition
Value
Accumulated
Depreciation
FY 2004 Net
Book Value
FY 2003 Net
Book Value
  Land and Improvements  $         97,575  $             243  $        97,332  $        96,155
  Buildings and Structures Various        4,178,432       2,069,893       2,108,656       2,035,486
  Furniture and Fixtures Various             48,751            19,933            28,656                 268
  Equipment Various      13,456,983       6,335,065       7,121,918       6,651,608
  ADP Software Various           119,175            67,565            51,772          106,015
  Electronics 6-10                  738                 724                   14                   66
  Assets Under Capital Lease Various           125,923            71,807            54,116            62,595
  Leasehold Improvements Various             51,755            17,881            33,874            39,957
  Aircraft 11-20           409,940          259,631          150,309          175,724
  Ships and Vessels >20        1,734,757       1,040,997          693,760          794,099
  Small Boats Various             24,888            23,935                 953              1,420
  Other Vehicles 1-5                    27                   27                     -                   22
  Construction in Progress          5,037,358                     -       5,037,358       4,425,855
  Property Not in Use               19,202              7,867            11,337            13,913
  Other Misc. Property               7,285              1,862              5,423              4,578
     Total    $  25,312,789  $   9,917,430  $ 15,395,359  $ 14,407,761

Depreciation is computed using the straight line method.  Net book value of multi-use heritage assets is now included in general property, plant and equipment, while "physical quantity" information is included in the Heritage Assets section of Required Supplemental Stewardship Information.

* Key: 

Range of Service Life

1-5  1 to 5 years
6-10 6 to 10 years
11-20 11 to 20 years 
>20  Over 20 years