STARSHIP
USS Henrietta Leavitt
Class:	Ptolemy-class (Doppler-subclass)
Registry:	NCC-3849
Affiliation:	Federation Starfleet
Status:	active (2270s)

The USS Henrietta Leavitt (NCC-3849) (or USS Leavitt) was a Federation Ptolemy-class (mk VIB Doppler-subclass) class I transport tug starship, authorized for construction by a Starfleet appropriation on stardate 4990. (ST reference: Star Fleet Technical Manual)

In 2275, when the USS Enterprise was assigned to be the test vessel of the prototype of the inversion drive apparatus, Enterprise's upcoming mission was assigned to the Henrietta Leavitt. (TOS novel: The Wounded Sky)

Ptolemy-class starships
Ptolemy-subclass	Al Rashid • Anaxagoras • Anaximander • Aristarchus • Copernicus • Eratosthenes • Galilei • Hevelius • Hipparchus • Ibn Daud • Masada • Philolaus • Ptolemy • Pythagoras • Thales • Ulugh Beg
Keppler-subclass	Ambartsumian • Brahe • Cassini • Deslandres • Donati • Flamarion • Keppler • Kidinnu • Leverrier • Luyten • Messier • Newton • Piazzi • Riccioli • Schiaparelli
Doppler-subclass	Airy • Apian • Baade • Bayer • Biela • Bondi • Brouwer • Campell • Carrington • Chamberlain • Chauvenet • Clark • Columbo • Dollfus • Doppler • Dreyer • Eddington • Encke • Fracastor • Galle • Gaillot • Gautier • Goldricke • Hale • Halley • Hayashi • Hencke • Herschell • Hirayami • Holden • Hubbard • Hubble • Humanson • Jansky • Jeffrey • Kaula • Klepstra • Kruger • Kuiper • Laplace • Leavitt • Lockyer • Mitchell • Newcomb • Oort • Palitzsch • Peale • Pickering • Popper • Pritchett • Reber • Rittenhouse • Ross • Sabine • Schmidt • Tombaugh • Toscanelli • Van De Kamp • Vogel • Von Zach • Walker • Wolaston • Wright
Dollond-subclass	Adams • Baum • Bessel • Bode • Carpenter • Challis • Chandrasekher • Delambre • Dollond • Eichelberger • Flamsteed • Frost • Gold • Goldreich • Hall • Henderson • Hertzsprung • Hoyle • Huggins • Irwin • Jeans • Kohlschutter • Lagrange • Lowell • Langley • Moulton • Olbers • Pierce • Plaskett • Pogson • Roques • Russell • Sandage • Schwabe • Shapley • Slipher • Savary • Scheiner • Secchi • Shklovsky • Struve • Swift • Todd • Van de Hulst • Van Maanen • Wolf • Young