---
title: "SERA.3212 Uncertainty as to the position on the manoeuvring area at aerodromes where air traffic services are provided — ANNEX: Rules of the Air, SERA · Avioverse"
description: "Except as provided for in point (b), a pilot in doubt as to the position of the aircraft with respect to the manoeuvring area shall immediately:"
url: "https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-3/sera-3212"
---

# SERA.3212 Uncertainty as to the position on the manoeuvring area at aerodromes where air traffic services are provided

ANNEX: Rules of the Air · Regulation (EU) No 923/2012 · EAR revision 26 Aug 2025

IR Implementing rule

## SERA.3212 Uncertainty as to the position on the manoeuvring area at aerodromes where air traffic services are provided

a) Except as provided for in point (b), a pilot in doubt as to the position of the [aircraft](https://avioverse.aero/glossary/easa/aircraft) with respect to the [manoeuvring area](https://avioverse.aero/glossary/easa/manoeuvring-area) shall immediately:

(1) stop the aircraft; and

(2) simultaneously notify the appropriate [air traffic](https://avioverse.aero/glossary/easa/air-traffic) services unit of the circumstances (including the last known position).

(b) When a pilot is in doubt as to the position of the aircraft with respect to the manoeuvring area, but recognises that the aircraft is on a [runway](https://avioverse.aero/glossary/easa/runway), the pilot shall immediately:

(1) notify the appropriate air traffic services unit of the circumstances (including the last known position);

(2) if able to locate a nearby suitable [taxiway](https://avioverse.aero/glossary/easa/taxiway), vacate the runway as expeditiously as possible, unless otherwise instructed by the air traffic services unit; and then,

(3) stop the aircraft.

(c) A vehicle driver in doubt as to the position of the vehicle with respect to the manoeuvring area shall immediately:

(1) notify the appropriate air traffic services unit of the circumstances (including the last known position);

(2) simultaneously, unless otherwise instructed by the air traffic services unit, vacate the [landing area](https://avioverse.aero/glossary/easa/landing-area), taxiway, or other part of the manoeuvring area, to a safe distance as expeditiously as possible; and then,

(3) stop the vehicle.

IR · SERA.3212 — Regulation (EU) No 923/2012 · Regulation (EU) 2024/404 · SERA Easy Access Rules · EAR revision 26 Aug 2025

[All rules in SECTION 3 General rules and collision avoidance](https://avioverse.aero/regulations/easa/sera/annex-rules-of-the-air/section-3)

Consolidated from the EASA Easy Access Rules (revision 26 Aug 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.