---
title: "GM1 to AMC3 ATS.TR.210(a)(3) Operation of air traffic control service — SPECIFIC REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES, ATM/ANS · Avioverse"
description: "VERTICAL SPEED CONTROL INSTRUCTIONS — GENERAL (a) The air traffic controller may instruct an aircraft to expedite climb or descent as appropriate to or…"
url: "https://avioverse.aero/regulations/easa/atm-ans/part-ats/subpart-b/gm1-to-amc3-ats-tr-210-a-3-operation-of-air-traffic-control-service"
---

# GM1 to AMC3 ATS.TR.210(a)(3) Operation of air traffic control service

SPECIFIC REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES · Regulation (EU) 2017/373 · EAR revision 12 Mar 2025

GM Guidance material

## GM1 to AMC3 ATS.TR.210(a)(3) Operation of air traffic control service

VERTICAL SPEED CONTROL INSTRUCTIONS — GENERAL

(a) The air traffic controller may instruct an aircraft to expedite climb or descent as appropriate to or through a specified level, or to reduce its rate of climb or rate of descent.

(b) The air traffic controller may instruct climbing aircraft to maintain a specified rate of climb, a rate of climb equal to or greater than a specified value or a rate of climb equal to or less than a specified value.

(c) The air traffic controller may instruct descending aircraft to maintain a specified rate of descent, a rate of descent equal to or greater than a specified value or a rate of descent equal to or less than a specified value.

(d) In applying vertical speed control, the air traffic controller should ascertain to which level(s) climbing aircraft can sustain a specified rate of climb or, in the case of descending aircraft, the specified rate of descent which can be sustained.

(e) Air traffic controllers should be aware of aircraft performance characteristics and limitations in relation to a simultaneous application of horizontal and vertical speed limitations.

GM — Regulation (EU) 2017/373 · ED Decision 2020/008/R · ATM/ANS Easy Access Rules · EAR revision 12 Mar 2025

[All rules in SUBPART B — TECHNICAL REQUIREMENTS FOR PROVIDERS OF AIR TRAFFIC SERVICES (ATS.TR)](https://avioverse.aero/regulations/easa/atm-ans/part-ats/subpart-b)

Consolidated from the EASA Easy Access Rules (revision 12 Mar 2025, extracted 13 Oct 2026) for convenience. Not the official publication — verify against the Official Journal of the European Union and the EASA publications before operational use.