Accession Number:

ADA167174

Title:

United States Navy- Canadian Forces Solid State Flight Data Recorder/Crash Position Locator Experiment on the B-720 Controlled Impact Demonstration.

Descriptive Note:

Technical memo.,

Corporate Author:

NAVAL AIR TEST CENTER PATUXENT RIVER MD

Personal Author(s):

Report Date:

1985-11-11

Pagination or Media Count:

28.0

Abstract:

A prototype Solid State Flight Data RecorderCrash Position Locator SSFDRCPL developed jointly by the United States NavyCanadian Forces was installed, tested, and evaluated aboard the Federal Aviation AdministrationNational Aeronautics and Space Administration B-720 Controlled Impact Demonstration CID on 1 December 1984. The SSFDR contained eight Electronically Erasable Programmable Read Only Memory silicon nitride oxide semiconductors with prerecorded alternating ones and zeros data. The CPL Radio Beacon Airfoil RBA contained a duel frequency 121.5 and 243 MHz emergency locating beacon and a Visual Marker Strobe VMS powered by a lithium sulpher dioxide LiS02 battery pack. The B-720 RBA installation also included an improved prototype squib actuated release system. The SSFDRCPLRBA was designed to be released by a frangible switch in the belly of the B-720 upon crach impact. However, the RBA did not deploy from the aircraft until after it was exposed to the initial fuel fire and until sliding aircraft came to rest. Upon RBA deployment, the CPL transmitted on both frequencies for about 5 to 10 sec before being shorted by the ingress of crash fluids into the RBA cavity containing the Transmitter Module Assembly.

Subject Categories:

  • Escape, Rescue and Survival

Distribution Statement:

APPROVED FOR PUBLIC RELEASE