Northrop Grumman E-2 Hawkeye - Variants

Variants

W2F-1

Original designation of the Hawkeye, changed to E-2A in 1962.

E-2A

Initial production version, was W2F-1 before 1962. 59 built.

TE-2A

Two E-2As converted as crew trainers.

YC-2A

Two E-2As, BUNOs 148147 and 148148, converted as prototypes of the C-2 Greyhound

E-2B

As E-2A but fitted with improved computing, enlarged outer fins. 52 converted from E-2A.

YE-2C

Two E-2As, BUNOs 148712 and 148713, converted as E-2C prototypes. Designated as YE-2C and NE-2C respectively. These airframes then finished out their useful life being used as TE-2C pilot trainers.

E-2C

As the E-2B but with all new electronics, surveillance radar and search radar, 63 built. In "plus-models" the E-2C also has upgraded turboprop engines.

E-2C Group 0

Initial production version of E-2C, fitted with AN/APS-120 or AN/APS-125 radar. Lengthened nose compared to earlier versions

E-2C Group I

New radar (AN/APS-139), plus ungraded mission computer and upgraded engines. 18 new build aircraft.

E-2C Group 2

AN/APS-145 radar, further improved electronics.

E-2C Hawkeye 2000

New mission computer, Cooperative Engagement Capability (CEC and additional satellite communications aerial. Originally designated Group 2+.

E-2D

Currently undergoing flight testing and Initial Operational Test and Evaluation. This version will feature an entirely new avionics suite, improved engines, a new "glass cockpit" and the potential for air-to-air refueling.

E-2T

E-2C variant for Republic of China (Taiwan), with parts taken from retired E-2Bs (USN BuNos 151709, 151710, 151724, 152479) in order to please objections from the People's Republic of China and to make it appear as a sale of four rebuilt E-2As or E-2Bs. However, these aircraft have the same level of electronics as the E-2C Group II Hawkeyes with their APS-145 radars.