26 Fire protection
TTP B1-L3 ATA 26 Beech 90 Series B2-L3 Fire Protection INTRODUCTION The fire-protection system pr o vides detection, w a r ning, and fire- e xtinguishing capability in either engine nacelle. The optional fire-detection system identifies and pr o vides cockpit w a r ning of a fire. If the optional fire- e xtinguisher system is installe d , it smothers flames using a chemical agent w hen act i v ated. GENERAL Photoconduct i v e cells in each engine nacelle sense the presence of flames. F ire indications are displ a y ed on the annunciator panel in the cockpit. F ire- e xtinguisher c ylinders in the nacelles discha r ge to e xtinguish the fire w hen the fire- e xtinguisher s witches in the cockpit are pushed. FIRE DETECTION DESCRIPTION The fire-detection system identifies the e xistence of a fire...