Ptolemy Class

Transport / Tug

Universe :	Prime Timeline
Affiliation :	Federation
Class Name :	Ptolemy Class1
Type :	Tug1
Unit Run :	NCC 3801 USS Ptolemy1 - Retired NCC 3802 USS Al Rashid1 - Retired NCC 3803 USS Anaxagoras1 - Retired NCC 3804 USS Anaximander1 - Retired NCC 3805 USS Aristarchus1 - Retired NCC 3806 USS Ibn Daud1 - Retired NCC 3807 USS Eratosthenes1 - Retired NCC 3808 USS Galllei1 - Retired NCC 3809 USS Hipparchus1 - Retired NCC 3810 USS Ulugh Beg1 - Retired NCC 3811 USS Philolaus1 - Retired NCC 3814 USS Hevelius1 - Retired NCC 3815 USS Copernicus1 - Retired NCC 3816 USS Keppler1 - Retired NCC 3818 USS Flamarion1 - Retired NCC 3819 USS Schiaparelli1 - Retired NCC 3820 USS Deslandres1 - Retired NCC 3821 USS Brahe1 - Retired NCC 3822 USS Newton1 - Retired NCC 3823 USS Riccioli1 - Retired NCC 3824 USS Cassini1 - Retired NCC 3825 USS Donati1 - Retired NCC 3826 USS Kidinnu1 - Retired NCC 3827 USS Piazzi1 - Retired NCC 3828 USS Leverrier1 - Retired NCC 3829 USS Luyten1 - Retired NCC 3830 USS Messier1 - Retired NCC 3831 USS Doppler1 - Retired NCC 3832 USS Gaillot1 - Retired NCC 3833 USS Halley1 - Retired NCC 3834 USS Holden1 - Retired NCC 3835 USS Jeffrey1 - Retired NCC 3836 USS Kuiper1 - Retired NCC 3837 USS Oort1 - Retired NCC 3839 USS Savary1 - Retired NCC 3840 USS Struve1 - Retired NCC 3841 USS Vogel1 - Retired NCC 3842 USS Airy1 - Retired NCC 3843 USS Bondi1 - Retired NCC 3844 USS Chauvenet1 - Retired NCC 3845 USS Eddington1 - Retired NCC 3846 USS Gautier1 - Retired NCC 3847 USS Hencke1 - Retired NCC 3848 USS Hubble1 - Retired NCC 3849 USS Leavitt1 - Retired NCC 3850 USS Peale1 - Retired NCC 3851 USS Rittenhouse1 - Retired NCC 3852 USS Secchi1 - Retired NCC 3853 USS Tombaugh1 - Retired NCC 3854 USS Wolaston1 - Retired NCC 3855 USS Baade1 - Retired NCC 3856 USS Campell1 - Retired NCC 3857 USS Columbo1 - Retired NCC 3859 USS Goldricke1 - Retired NCC 3860 USS Herschell1 - Retired NCC 3861 USS Humanson1 - Retired NCC 3862 USS Klepstra1 - Retired NCC 3863 USS Mitchell1 - Retired NCC 3865 USS Ross1 - Retired NCC 3866 USS Shklovsky1 - Retired NCC 3867 USS Toscanelli1 - Retired NCC 3868 USS Wright1 - Retired NCC 3869 USS Bayer1 - Retired NCC 3870 USS Carrington1 - Retired NCC 3871 USS Kruger1 - Retired NCC 3872 USS Fracastor1 - Retired NCC 3873 USS Hale1 - Retired NCC 3874 USS Hirayama1 - Retired NCC 3875 USS Jansky1 - Retired NCC 3876 USS Laplace1 - Retired NCC 3877 USS Newcomb1 - Retired NCC 3879 USS Sabine1 - Retired NCC 3881 USS Van De Kamp1 - Retired NCC 3882 USS Von Zach1 - Retired NCC 3883 USS Chamberlain1 - Retired NCC 3884 USS Biela1 - Retired NCC 3885 USS Dollfus1 - Retired NCC 3886 USS Galle1 - Retired NCC 3887 USS Hayashi1 - Retired NCC 3888 USS Hubbard1 - Retired NCC 3889 USS Kaula1 - Retired NCC 3890 USS Lockyer1 - Retired NCC 3891 USS Palitzsch1 - Retired NCC 3892 USS Reber1 - Retired NCC 3894 USS Swift1 - Retired NCC 3895 USS Walker1 - Retired NCC 3896 USS Apian1 - Retired NCC 3897 USS Brouwer1 - Retired NCC 3898 USS Clark1 - Retired NCC 3899 USS Dreyer1 - Retired NCC 38S9 USS Encke1 - Retired NCC 3900 USS Dollond1 - Retired NCC 3901 USS Goldreich1 - Retired NCC 3902 USS Hertzsprung1 - Retired NCC 3903 USS Irwin1 - Retired NCC 3904 USS Kohlschutter1 - Retired NCC 3905 USS Moulton1 - Retired NCC 3907 USS Russell1 - Retired NCC 3908 USS Slipher1 - Retired NCC 3909 USS Van de hulst1 - Retired NCC 3910 USS Young1 - Retired NCC 3911 USS Bessel1 - Retired NCC 3912 USS Challis1 - Retired NCC 3913 USS Flamsteed1 - Retired NCC 3914 USS Henderson1 - Retired NCC 3915 USS Huggins1 - Retired NCC 3916 USS Lagrange1 - Retired NCC 3917 USS Olbers1 - Retired NCC 3918 USS Plaskett1 - Retired NCC 3919 USS Sandage1 - Retired NCC 3920 USS Schawbe1 - Retired NCC 3921 USS Wolf1 - Retired NCC 3922 USS Bode1 - Retired NCC 3923 USS Chandrasekher1 - Retired NCC 3924 USS Eichelberger1 - Retired NCC 3925 USS Adams1 - Retired NCC 3926 USS Hall1 - Retired NCC 3927 USS Gold1 - Retired NCC 3928 USS Hoyle1 - Retired NCC 3929 USS Jeans1 - Retired NCC 3930 USS Langley1 - Retired NCC 3931 USS Pierce1 - Retired NCC 3932 USS Roques1 - Retired NCC 3933 USS Shapley1 - Retired NCC 3934 USS Todd1 - Retired NCC 3935 USS Baum1 - Retired NCC 3936 USS Carpenter1 - Retired NCC 3937 USS Delambre1 - Retired NCC 3938 USS Frost1 - Retired NCC 3939 USS Lowell1 - Retired NCC 3940 USS Van Maanen1 - Retired NCC.3812 USS Pythagoras1 - Retired NCC.3813 USS Thales1 - Retired NCC.3817 USS Ambartsumian1 - Retired NCC.3838 USS Pritchett1 - Retired NCC.3864 USS Pickering1 - Retired NCC.3878 USS Popper1 - Retired NCC.3880 USS Schmidt1 - Retired NCC.3893 USS Scheiner1 - Retired NCC.3906 USS Pogson1 - Retired 3 have been lost in all. 137 have been retired from service.
Commissioned :	2247 - 2255, remained in service until 2321
Dimensions :	Length : 222 m2 Beam : 127.1 m1 Height : 66 m1 Decks : 12
Mass :	274,000 metric tons
Crew :	2201
Armament :	41 x Type VI phaser bank1, total output 1,500 TeraWatts
Defence Systems :	Standard shield system, total capacity 54,000 TeraJoules Standard Monotanium Single hull. Standard level Structural Integrity Field
Warp Speeds (TOS scale) :	Maximum Cruise : 61 Maximum Rated : 61 for 2 hours.
Strength Indices : (Galaxy class = 1,000)	Beam Firepower : 30 Torpedo Firepower : - Weapon Range and Accuracy : - Shield Strength : 20 Hull Armour : 5 Speed : 113 Combat Manoeuvrability : 6,890
Overall Strength Index :	39
Diplomatic Capability :	Specialized facilities can be towed as required
Expected Hull Life :	60
Refit Cycle :	Minor : 1 year Standard : 1 years Major : 20 years

Notes

The Ptolemy class tugs are based on the standard Starfleet hull components of the time, but replaced the engineering hull of the Constitution class with a connector at the base of the connecting neck. This could accept a variety of large pods for hauling cargo, passengers, or other stores.1

The pods hauled by the Ptolemies were divided into five main marks. Each were given their own NCC numbers, in line with their Mark number; Mark I pods were designed for bulk liquid carrying, and were given NCC numbers in the 1000 range. Mark II carried dry bulk goods and were given NCC numbers in the 2000 range. Mark III reefers carried refrigerated goods with numbers in the 3000 range, Mark IV "star liners" carried personnel and were given numbers in the 4000 range, and Mark V general cargo hulls received numbers in the 5000 range.1

The ships proved invaluable in service, and continued to ply the space-lanes of the Federation for decades. By 2307 they were beginning to reach the end of their operational lives, and Starfleet began to retire them in this year. The last ships were due to retire in 2315, but Starfleet retained six of these ships for a further few years in order to provide a stopgap due to delays in their replacements. The last of the Ptolemy class vessels was retired in 2321.

Colour key

References

#	Series	Season	Source	Comment
1			Star Trek - Starfleet Technical Manual
2			Star Trek - Starfleet Technical Manual	Stated on page 01:04:16

Comments

This ship is almost exactly as described in the Star Fleet Technical Manual by Franz Joseph. The strengths of the weapons and defence systems are my own invention. The mass has been raised from the the TM's figure of 126,500 metric tons; since TOS establishes that the Constitution is far more massive than the TM suggests, I have raised the mass of all these ships in line with the canon figure.

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Last updated : 8 Jul 2016

Book :	Star Trek - Starfleet Technical Manual
Comment :	Stated on page 01:04:16