Skyhawk Avionics

A-4A thru A-4E Integrated Electronics Pack

Douglas El Segundo images by Vernon Tucker who worked closely with Ed Heinemann. Provided by his grandson Ryan Tucker.

ES 93212 Douglas - A4D-1 655.2 11-3-52 of Mock-up A4D Electronic Equipment Container
Douglas El Segundo
ES 93211 Douglas - A4D-1 655.2 11-3-52 of Mock-up A4D Electronic Equipment Installed

Douglas El Segundo - ES 1062773 Douglas A4D-1 555.14 1-25-54 Douglas 5445443 Intergrated Electronics Package

* Douglas El Segundo - ES 110567 A4D-1 555.14 6-7-54 A4D Electronics Equip. vs Standard Electronics Equip.

Douglas El Segundo - ES 106272 Douglas A4D-1 555.14 1-25-54 Douglas 5445443 Integrated Electronics package - Complete Assy..

CNI Installation mockup image by Vernon Tucker who worked closely with Ed Heinneman. Provided by his grandson Ryan Tucker.
ES 135656 Douglas - A4D 910 11/21-55 CNI Installation A4D Nose

CNI Installation mockup image by Vernon Tucker who worked closely with Ed Heinneman. Provided by his grandson Ryan Tucker.
ES 135659 Douglas A4D 910 11/21-55 CNI Installation A4D Nose

For long distant flights in early Skyhawks, a navigation pod could be mounted.

AFC 482 Updates A-4C/E Avionics to A-4F Configuration. (PIC: BuNo 149575)

1969: BuNo 151112, Warpaint 507, assigned to LT Bob Wilson as Avionics works on equipment housed in the nose. LCDR Stan Thompson.

1983: BuNo 155018, ME-12, with Avionics Techs looking for an issue. Nose is cranked up with a socket speed wrench which drives a worm screw to raise the nose for access to several avionics black boxes. At one time this webmaster new exactly how many turns it took, but time has caused the loss of that important piece of data. Photographer and location unknown. Gary Verver Collection.

A-4F Avionics.

A-4F a/c reworked per AFC-550 had an ALQ-100 Countermeasures System, an ALR-50(V) Radar Receiver System, and an ALR-45(V) Homing and Warning System.

ARC-51

KY-28 (Nestor)

AN/ARA-50 Direction Finder

ASN - 50 Attitude/Heading Reference System

Close-up of Cold Cloud SUU-53/A dispenser firing from China Lake Skyhawk BuNo 148613. This is also a good shot of the RADAR Altimeter "Canoe", outboard of the No. 1 stores-station. The two dark circles are the transmit and receive antennas. Navy photo.

ALQ-51 ECM, Radar Homing, warning and deception, ALQ-51 consisted of two suitcase sized boxes The AN/ALQ-51 is a deceptive track breaker to counter S-band fire control radars which employ pulse ranging, frequency modulating carrier wave pulse, and conical scan. It is also designed to cause proximity fuses on the SA-2 SAMs to detonate prematurely or be duded so they did not detonate at all. The AN/ALQ -51 Mod I performed the following functions: Range gate pull-off, Frequency translation, Inverse conical scan deception, angular deception.

LR-50 L-Band Warning System

APR-23 Homing Warning, Melpar