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/Title (CS 23.149)
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This Regulation is the airworthiness standard for multi-engine Part 23 airplanes, i.e. for designing and certifying, not for their operational use. The Vmc definition should therefore not be used unchanged in flight manuals and pilot course books.
) /RD [0 0 0 0] /Rect [59.228111 446.059262 293.891386 750.42911] /Subj (Text Box) /Subtype /FreeText /Contents (This Regulation is the airworthiness standard for multi-engine Part 23 airplanes, i.e. for designing and certifying, not for their operational use. The Vmc definition should therefore not be used unchanged in flight manuals and pilot course books.) /CreationDate (D:20140911155701+02'00') >> endobj 11 0 obj << /C [1 1 1] /F 4 /M (D:20140911183330+02'00') /P 5 0 R /T (Horlings) /AP << /N 28 0 R >> /CL [80.970076 401.828175 74.454006 592.623514 74.454006 592.623514] /DA (1.000 0.000 0.000 rg) /IT /FreeTextCallout /LE /OpenArrow /NM (a8fd905f-f3ae-4319-885f39aa039f9aca) /RC (Two cases:
1. Maintain, i.e. recover control after a sudden failure to straight flight;
2. Maintain straight flight while an engine is inoperative, while banking the bank angle that the tail design engineeer used to size the vertical tail \(for adequately counteracting the adversive yaw, and zero sideslip for maximum climb performance\).
Highest CAS for cases1 & 2 = VMCA. VMCA is not for turning!
) /RD [0.000002 117.5269 -0.000003 0.000031] /Rect [58.709824 400.828791 173.935715 685.210877] /Subj (Callout) /Subtype /FreeText /Contents (Two cases:\r1. Maintain, i.e. recover control after a sudden failure to straight flight;\r2. Maintain straight flight while an engine is inoperative, while banking the bank angle that the tail design engineeer used to size the vertical tail \(for adequately counteracting the adversive yaw, and zero sideslip for maximum climb performance\).\r\rHighest CAS for cases1 & 2 = VMCA. VMCA is not for turning! ) /CreationDate (D:20140911151558+02'00') >> endobj 12 0 obj << /C [1 1 1] /F 4 /M (D:20140911184144+02'00') /P 5 0 R /T (Horlings) /AP << /N 29 0 R >> /CL [98.963426 275.132351 165.688767 476.046439 165.688767 476.046439] /DA (1.000 0.000 0.000 rg) /IT /FreeTextCallout /LE /OpenArrow /NM (ab922510-aecd-4c02-bbd0fd43d5a4bbc3) /RC (The smaller the tail, the higher the airspeed required for maintaining directional control \(VMCA\). This VMCA limitation prevents the tail from being designed too small \(cheaper, less heavy\).
) /RD [69.778921 171.875918 0.000004 0.000016] /Rect [96.659571 274.183346 293.891388 509.032349] /Subj (Callout) /Subtype /FreeText /Contents (The smaller the tail, the higher the airspeed required for maintaining directional control \(VMCA\). This VMCA limitation prevents the tail from being designed too small \(cheaper, less heavy\).) /CreationDate (D:20140911154144+02'00') >> endobj 13 0 obj << /C [1 1 1] /F 4 /M (D:20140911183833+02'00') /P 5 0 R /T (Horlings) /AP << /N 30 0 R >> /CL [263.902469 245.145174 371.86257 235.776106 371.86257 235.776106] /DA (1.000 0.000 0.000 rg) /IT /FreeTextCallout /LE /OpenArrow /NM (4f7fe9e4-b105-48d4-ac72c604151679af) /RC (Refer to the Flight Test Guides:
For VMCA:
- the most unfavorable weight is low weight.
- the most unfavorable center of gravity position is aft.
) /RD [37.732661 -0.000005 -0.000013 0.000017] /Rect [262.906232 206.16185 421.344269 269.888459] /Subj (Callout) /Subtype /FreeText /Contents (Refer to the Flight Test Guides: \rFor VMCA:\r- the most unfavorable weight is low weight. \r- the most unfavorable center of gravity position is aft. ) /CreationDate (D:20140911154928+02'00') >> endobj 14 0 obj << /C [1 1 1] /F 4 /M (D:20140911184042+02'00') /P 5 0 R /T (Horlings) /AP << /N 31 0 R >> /CL [262.403023 113.201594 284.371992 116.347426 296.371992 116.347426] /DA (1.000 0.000 0.000 rg) /IT /FreeTextCallout /LE /OpenArrow /NM (33e838cb-d954-4ac8-8dd063afb673e36c) /RC (Refer to Flight Test Guide: Autofeather if installed, otherwise windmilling.
) /RD [34.95886 -0.000003 -0.000012 0.000009] /Rect [261.413133 100.747429 396.371979 131.947434] /Subj (Callout) /Subtype /FreeText /Contents (Refer to Flight Test Guide: Autofeather if installed, otherwise windmilling.) /CreationDate (D:20140911160922+02'00') >> endobj 15 0 obj << /C [1 1 1] /F 4 /M (D:20140911183626+02'00') /P 5 0 R /T (Horlings) /AP << /N 32 0 R >> /CL [215.170479 398.829457 91.697638 511.283295 91.697638 511.283295] /DA (1.000 0.000 0.000 rg) /IT /FreeTextCallout /LE /OpenArrow /NM (81180853-5163-4145-b7d72cacdaba335f) /RC (Case 1.
) /RD [0.000002 109.376838 100.452468 -0.000014] /Rect [81.201516 398.156137 215.909798 519.531678] /Subj (Callout) /Subtype /FreeText /Contents (Case 1.) /CreationDate (D:20140911153724+02'00') >> endobj 16 0 obj << /C [1 1 1] /F 4 /M (D:20140911183746+02'00') /P 5 0 R /T (Horlings) /AP << /N 33 0 R >> /CL [108.709824 364.344204 126.184889 513.157494 126.184889 513.157494] /DA (1.000 0.000 0.000 rg) /IT /FreeTextCallout /LE /OpenArrow /NM (81180853-5163-4145-b7d72cacdaba335f) /RC (Case 2.
) /RD [21.494565 143.432241 0.000009 -0.000014] /Rect [104.690324 363.351055 163.439606 519.531678] /Subj (Callout) /Subtype /FreeText /Contents (Case 2.) /CreationDate (D:20140911153724+02'00') >> endobj 17 0 obj << /C [1 1 1] /F 4 /M (D:20140911162714+02'00') /P 5 0 R /T (Horlings) /AP << /N 34 0 R >> /DA (1.000 0.000 0.000 rg) /LE /None /NM (ed705e89-cc7d-4bea-95a7f5583f92523c) /RC (EASA Certification Specification
) /RD [0 0 0 0] /Rect [93.715366 787.163402 256.40524 805.905388] /Subj (Text Box) /Subtype /FreeText /Contents (EASA Certification Specification) /CreationDate (D:20140911162555+02'00') >> endobj 18 0 obj << /C [1 1 1] /F 4 /M (D:20140911195744+02'00') /P 5 0 R /T (Horlings) /AP << /N 35 0 R >> /DA (1.000 0.000 0.000 rg) /LE /None /NM (6cb3d747-866c-45af-954f0cf71bd246ce) /RC (In comment text boxes, VMCA \(A for Airborne\) is used rather than VMC. These comments were added by a Test Pilot School graduate of AvioConsult\(.com\).
) /RD [0 0 0 0] /Rect [182.932393 518.028487 281.895819 685.207] /Subj (Text Box) /Subtype /FreeText /Contents (In comment text boxes, VMCA \(A for Airborne\) is used rather than VMC. These comments were added by a Test Pilot School graduate of AvioConsult\(.com\).) /CreationDate (D:20140911190305+02'00') >> endobj 19 0 obj << /C [1 1 1] /F 4 /M (D:20140911200410+02'00') /P 5 0 R /T (Horlings) /AP << /N 36 0 R >> /DA (1.000 0.000 0.000 rg) /LE /None /NM (0f9bf05c-0bc7-4b62-91453bdaac78953e) /RC (Source: http://easa.europa.eu/system/files/dfu/agency-measures-docs-certification-specifications-CS-23-CS-23-Amdt-3.pdf#page=20
) /RD [0 0 0 0] /Rect [58.478388 763.92334 537.551336 778.916928] /Subj (Text Box) /Subtype /FreeText /Contents (Source: http://easa.europa.eu/system/files/dfu/agency-measures-docs-certification-specifications-CS-23-CS-23-Amdt-3.pdf#page=20) /CreationDate (D:20140911195830+02'00') >> endobj 20 0 obj << /Filter [/FlateDecode] /Length 14428 >> stream x}%q$+{]H|#i>ky' F /k,(OB#@`@}x+֯s~cșy95,ucOOE駭_yw~?ӫx1_2vq./ji'/ݸ^;yϟTY;7^;^n.h}xQz!7~gE9?oW_J=y6>ϯ d$PݰDߪ9Y\yy.dK*=ke/IN_y5K0e r_]~j-C?CpSj3)] `;jOx _)mo_3o-\:\\(JόNk)SG2AnsaF|[ŨglT·>摡{-6'D7γv[YomMilԮRh袺$%|K#'dԳ3EyѧKA7pO3e[iS:&c@(mSea> OQ"P^afփ$y~?7E.KʢɘNya