Accession Number:

AD0263202

Title:

SERVICEABILITY OF SIGNAL, SMOKE, AND ILLUMINATION, AIRCRAFT, AN-MK 5 MOD 4

Descriptive Note:

Corporate Author:

OGDEN AIR MATERIEL AREA HILL AFB UTAH

Personal Author(s):

Report Date:

1961-09-01

Pagination or Media Count:

1.0

Abstract:

Tests were conducted to determine the serviceability of the AN-Mk 5 Mod 4 Signal. All signals were visually inspected for defects, ten were disassembled for internal inspection, and 60 were function tested. The function tests consisted of dropping the signals into a body of water 20 ft in depth from an aircraft at an altitude of 500 ft and an air speed of 150 knots. Through visual inspection, all signals appeared to be materially satisfactory and all internal components in good condition. Of the 60 signals function tested, two failed to function, two emitted smoke and flame less than the required 10 min, and eight had a smoke density of less than one-half of normal. Four of the five lots tested were serviceable. Based on the 60 signals tested, at a 95 confidence level, the functional reliability is between 88 and 100. Based on the four serviceable lots 42 signals, at a 95 confidence level, the functional reliability is between 92.8 and 100. It is recommended that Lot NAD 4132-C-56 be suspended from issue and use because of the excessive number of duds in this lot. Author

Subject Categories:

Distribution Statement:

APPROVED FOR PUBLIC RELEASE