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Federal Aviation Administration, DOT § 23.777

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Federal Aviation Administration, DOT § 23.777 Federal Aviation Administration, DOT § 23.777 § 23.777 Cockpit controls. the left control(s) operates the left en- (a) Each cockpit control must be lo- gines(s) and the right control(s) oper- cated and (except where its function is ates the right engine(s). obvious) identified to provide conven- (2) On twin-engine airplanes with ient operation and to prevent confusion front and rear engine locations (tan- and inadvertent operation. dem), the left powerplant controls (b) The controls must be located and must operate the front engine and the arranged so that the pilot, when seat- right powerplant controls must operate ed, has full and unrestricted movement the rear engine. of each control without interference (f) Wing flap and auxiliary lift device from either his clothing or the cockpit controls must be located— structure. (1) Centrally, or to the right of the (c) Powerplant controls must be lo- pedestal or powerplant throttle control cated— centerline; and (1) For multiengine airplanes, on the (2) Far enough away from the landing pedestal or overhead at or near the gear control to avoid confusion. center of the cockpit; (g) The landing gear control must be (2) For single and tandem seated sin- located to the left of the throttle cen- gle-engine airplanes, on the left side terline or pedestal centerline. console or instrument panel; (3) For other single-engine airplanes (h) Each fuel feed selector control at or near the center of the cockpit, on must comply with § 23.995 and be lo- the pedestal, instrument panel, or cated and arranged so that the pilot overhead; and can see and reach it without moving (4) For airplanes, with side-by-side any seat or primary flight control pilot seats and with two sets of power- when his seat is at any position in plant controls, on left and right con- which it can be placed. soles. (1) For a mechanical fuel selector: (d) The control location order from (i) The indication of the selected fuel left to right must be power (thrust) valve position must be by means of a lever, propeller (rpm control), and mix- pointer and must provide positive iden- ture control (condition lever and fuel tification and feel (detent, etc.) of the cutoff for turbine-powered airplanes). selected position. Power (thrust) levers must be at least (ii) The position indicator pointer one inch higher or longer to make must be located at the part of the han- them more prominent than propeller dle that is the maximum dimension of (rpm control) or mixture controls. Car- the handle measured from the center of buretor heat or alternate air control rotation. must be to the left of the throttle or at (2) For electrical or electronic fuel least eight inches from the mixture selector: control when located other than on a (i) Digital controls or electrical pedestal. Carburetor heat or alternate switches must be properly labelled. air control, when located on a pedestal (ii) Means must be provided to indi- must be aft or below the power (thrust) cate to the flight crew the tank or lever. Supercharger controls must be function selected. Selector switch posi- located below or aft of the propeller controls. Airplanes with tandem seat- tion is not acceptable as a means of in- ing or single-place airplanes may uti- dication. The ‘‘off’’ or ‘‘closed’’ posi- lize control locations on the left side of tion must be indicated in red. the cabin compartment; however, loca- (3) If the fuel valve selector handle or tion order from left to right must be electrical or digital selection is also a power (thrust) lever, propeller (rpm fuel shut-off selector, the off position control) and mixture control. marking must be colored red. If a sepa- (e) Identical powerplant controls for rate emergency shut-off means is pro- each engine must be located to prevent vided, it also must be colored red. confusion as to the engines they con- [Doc. No. 4080, 29 FR 17955, Dec. 18, 1964, as trol. amended by Amdt. 23–7, 34 FR 13092, Aug. 13, (1) Conventional multiengine power- 1969; Amdt. 23–33, 51 FR 26656, July 24, 1986; plant controls must be located so that Amdt. 23–51, 61 FR 5136, Feb. 9, 1996] 267 VerDate Nov<24>2008 10:44 Mar 02, 2010 Jkt 220043 PO 00000 Frm 00277 Fmt 8010 Sfmt 8010 Y:\SGML\220043.XXX 220043 erowe on DSK5CLS3C1PROD with CFR.
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