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AC 20-42D

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Advisory circular · Hand Fire Extinguishers for use in Aircraft

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Approved
January 14, 2011
Last reviewed
October 30, 2017
Cancels
AC20-42C
Family
AC 20-42 · 2 versions
Revision
D
14 CFR parts
23, 25, 29, 91, 121, 125, 135, 127
14 CFR sections
§ 25.851

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed October 23, 2026.

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Page 47OCROpen in PDF

01/14/11/ AC 20-42D Appendix 4 Air Change Per Hour Air Cabin Minimum Change, Number Volume, Reported Minutes of Seats it' (m') Fairchild Dornier 328 32 1183(33.5) Saab 340A & 340B 33 1180(33.5) Saab 2000 50 1860(52.7) Rotorcraft Sikorsky S76 7-14 204(5.8) Sikorsky S92 12-24 700(19.8) Bell 206B3 5-7 40(1.1) Bell 407 7 85(2.4) Bell 412 8-15 220(6.2) Bell 430 224(6.4) Small Aircraft Bombardier Challenger 300 19.2 3.1 14 850(24.0) Bombardier Challenger 605 19.0 3.3 14 1150(33.0) Cessna Caravan II 6-8 152(4.3) Cessna Caravan 675 6-8 254(7.2) Cessna Caravan Amphibian 6-8 254(7.2) Cessna Grand Caravan 6-12 340(9.6) Cessna Citation CJ1 2.8 31.3 4-7 300(8.5) Cessna Citation CJ2 3.3 18.3 6-9 350(9.9) Cessna Citation X 1.7 35.1 10 593(17) Cessna Corsair, Conquest I 6-8 193(5.5) Cessna 152 2 77(2.2) Cessna 210C 6 140(3.9) Cessna 414 6-8 226(6.4) Cessna 421B 1.8 33,2 6-8 217(6.2) Dassault Falcon 7X 10.8 5.5 12 1836(52.0) Dassault Falcon 50EX 8.9 6.7 1059(30.0) Dassault Falcon 900EX 9.1 6.6 10 1695(48.0) Small Aireraft Dassault Falcon 2000EX 10.5 5.7 8 1483(42) Embrear Legacy 600 24.0 2.5 13 1650(47.0) Embrear Phenom 100 28.7 2.09 4 300(8.5) Embrear Phenom 300 29.0 2.1 7 357(10.1) Gulfstream Turbo Commander 6 184(5.2) Gulfstream Jetprop 184(5.2) Gulfstream G100 367(10.4) A4-7

Page 48OCROpen in PDF

Appendix 4 Air Change Per Hour Air Cabin Minimum Change, Number Volume, Reported Minutes of Seats ít' (m') Gulfstream G150 6-8 465(13.2) Gulfstream G200 6-8 868(24.6) Gulfstream G350/450 12-16 1,525(43.2) Gulfstream G550 14-18 1669(47.3) Gulfstream G650 11-18 2138(60.5) LearJet 31A 35.0 1.7 10 271(7.7) LearJet 40 36.0 1.7 6-9 363(10.3) LearJet 45/45XR 6-8 410(11.6) LearJet 60/60XR 26.0 2.3 6-8 453(12.8) Pilatus PC12 330(9.4) Piper PA31T Cheyenne 151(4.3) Raytheon Beechcraft King Air B200 32.0 1.9 7-9 393(11.1)" Raytheon Beechcraft King Air B300/350 28.0 2.1 9-11 443(12.5)" Raytheon Beechjet 400/Hawker 400XP 8 305(8.6)" Raytheon Premier 1 27.0 2.2 6-8 400(11.3)" Rockwell Gulfstream Commander GC-1000 249(7.1) Socata TBM-700 estimated by Pilatus 155(4.4) Sino Swearingen SJ30-2 190(5.4) VisionAire Vantage 310(8.8) a Includes lavatory and internal baggage compartment.

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