NCCCO Core Test Definitions 2026 | Crane Operator Certification Study Guide

Nccco, . / core, . / test, . / definition

1. A,.//,./D,./director:,./(Assembly/Disassembly,./director),./means,./an,./individual,./who,./meets,./the,./subparts,./requireme
nts,./for,./an,./A/D,./director,irrespective,./of,./the,./person's,./formal,./job,./title,./or,./whether,./the,./person,./is,./non,./manage
ment,./personnel.
2. Articulating,./Crane:,./Means,./a,./crane,./whose,./boom,./consists,./of,./a,./series,./of,./folding,pin,./connected,./stru
ctural,./members,typically,./manipulated,./to,./extend,./or,./retract,./by,./power,./from,./hydraulic,./cylinder
3. Assembly/Disassembly:, . / Means,./the,./assembly,./and/or,./disassembly,./of,./the,./equipment,./covered,./under,.
/this,./standard.,./With,./regards,./to,./tower,./cranes,,./erecting,./and,./climbing,./replaces,./the,./term,./"assembly",,./and,./"d


ismantling".,./Regardless,./of,./whether,./the,./crane,./is,./initially,./erected,./to,./its,./full,./height,./or,./is,./climbed,./in,./stages,,./t
he,./process,./of,./increasing,./the,./height,./of,./the,./crane,./is,./an,./erection,./process.
4. Assist,./ crane:,./ means,./a,./crane,./used,./to,./assist,./in,./assembling,./or,./disassembling,./a,./crane.
5. Attachments:,./means,./any,./device,./that,./expands,./the,./range,./of,./tasks,./that,./can,./be,./done,./by,./the,./equi
pment,./Examples,./include,./,,./but,./are,./not,./limited,./to,./:,./An,./auger,./,,./drill,./,,./magnet,./,,./pile,./-,./driver,./and,./boom,./-
,./attached,./personnel,./platform,./.


6. Audible,./signal:,./means,./a,./signal,./made,./by,./a,./distinct,./sound,./or,./series,./of,./sounds,./.,./Examples,./include,./,,./
but,./are,./not,./limited,./to,./,,./sounds,./made,./by,./a,./bell,./,,./horn,./,,./or,./whistle,./.
7. Blocking:,./(,./also,./referred,./to,./as,./",./cribbing,./",./),./is,./wood,./or,./other,./material,./used,./to,./support,./equipment,./o
r,./a,./component,./and,./distribute,./loads,./to,./the,./ground,./.,./It,./is,./typically,./used,./to,./support,./lattice,./boom,./.,./sections,./
during,./assembly,./disassembly,./and,./under,./outrigger,./and,./stabilizer,./floats,./.
8. Boatswain's,./chair:,./means,./a,./single,./-
,./point,./adjustable,./suspension,./scattold,./consisting,./of,./a,./seat,./or,./sling,./(,./which,./may,./be,./incorporated,./int


o,./a,./full,./body,./harness,./),./designed,./to,./support,./one,./employee,./in,./a,./sitting,./position,./.
9. Boom, . / angle, . / indicator:, . / Boom,./means,./a,./device,./which,./measures,./the,./angle,./of,./the,./boom,./rela
tive,./to,./horizontal,./.
10. Boom, . / hoist, . / limiting, . / device:, . / limiting,./includes,./boom,./hoist,./disengaging,./device,./boom,./hoist,./shut,./
-,./ott,./,,./boom,./hoist,./disconnect,./boom,./hoist,./hydraulic,./relief,./,,./boom,./hoist,./kick,./-
,./outs,./,,./automatic,./boom,./stop,./device,./or,./derricking,./limiter,./.,./This,./type,./of,./device,./disengages,./boom,./hoist,./pow


er,./when,./the,./boom,./reaches,./a,./predetermined,./operating,./angle
.,./It,./also,./sets,./brakes,./or,./closes,./valves,./to,./prevent,./the,./boom,./from,./lowering,./after,./power,./is,./disengaged,./.
11. Boom,./length,./indicator:,./indicates,./the,./length,./of,./the,./permanent,./part,./of,./the,./boom,./(,./such,./as,./ruled
,./markings,./on,./the,./boom,./),./or,./,,./as,./in,./some,./computerized,./systems,./,,./the,./length,./of,./the,./boom,./with,./extensions,.//,./


attachments
.
,./ ,./

, Nccco, . / core, . / test, . / definition

12. Boom, . / Stop:, . / includes,./boom,./stops,(belly,./straps,./with,./struts/standott),,./telescoping,./boom,./stop,,./attachm
ent, . / boom,./stops,,./and,./backstops.,./these,./devices,./restrict,./the,./boom,./from,./moving,./above,./a,./certain,./maximum,./angle,./and,./t
opping,./over,./backwards.




,./ ,./