Hand Signal Reference
Crane, excavator, flagger, and aircraft marshalling signals.
Reference
Signals
- Crane HoistDescription: One arm extended vertically with a small circular motion of the index finger.
- Crane LowerDescription: One arm extended downward with the index finger pointing down, moved in a small circle.
- Crane StopDescription: One arm extended horizontally, palm down, swept across the body.
- Crane Emergency stopDescription: Both arms extended horizontally, palms down, swept rapidly back and forth.
- Excavator Slow / inchDescription: One hand held flat near the shoulder, opposite hand making a slow tapping motion above it.
- Excavator All stopDescription: Both arms crossed sharply at the wrists in front of the body.
- Flagger StopDescription: Stop paddle held vertically with the STOP face toward the driver; free hand raised palm out.
- Flagger SlowDescription: Slow paddle held vertically; free hand making a downward sweep along the side of the body.
- Aircraft marshalling StopDescription: Both arms crossed above the head, fists closed.
- Aircraft marshalling Engine cutDescription: One hand drawn flat across the throat horizontally.
Details, formula, and sources
(reference page; no compute) Crane, excavator, flagger, and aircraft-marshalling hand signals as described (not depicted) by name only. Image reproduction prohibited.
ASME B30.5 (Mobile and Locomotive Cranes) by name; OSHA 29 CFR 1926 Subpart CC; FAA AC 120-57B (aircraft marshalling).
29 CFR 1926 free at ecfr.gov. FAA Advisory Circulars free at faa.gov (Regulations & Policies, Advisory Circulars). ASME B30.5 licensed.
Estimate. AHJ and licensed fire protection engineer govern.