ESTONIAN NATIONAL TECHNICAL ANNEX BETWEEN 
ESTONIAN TRANSPORT ADMINISTRATION 
AND 
ESTONIAN DEFENCE FORCES  

MILITARY FLIGHT PROCEDURES IN ESTONIAN AIRSPACE 

 
 
Release version 2.6
Effective: 01-SEP-2024

APPROVED BY: 

ESTONIAN TRANSPORT 
ADMINISTRATION 
 
Priit Sauk 
Director General 

(Digital signature)  	 	 

 
 
ESTONIAN DEFENCE FORCES  
AIR FORCE 
 
Colonel Toomas Susi 
Commander of Estonian Air Force  

(Digital signature) 	

DOCUMENT CHANGE RECORD 
RELEASE 	DATE 	REASON FOR CHANGE 	PAGES AFFECTED 	
 	14.06.2016 	New document release. 	 	
2.0 	26.04.2018 	Document review by Estonian Air Force and EANS: - airspace management procedures removed; 
- changed separation standards;  - general formatting. 	All 	
2.1 
 	03.01.2019 	Change of phone numbers:  
-	CRC Karmelava  
-	CRC Tallinn  
-	AMC Estonia 	Page 11 - Item 7.2 	
2.2 	13.12.2019 	Changed unit whom MCU notifies 
it’s take over – OPSUP to AMC  
 
Change of unit names and contacts 
 	Page 5 – item 3 

Page 11– item 7.2 	
2.3 	27.01.2022 	Document reviewed by EANS to 
accommodate the EUROCONTROL 
principles laid down in 
Specifications for harmonized Rules for Operational Air Traffic (EUROAT document) and include: 
 
-	activities to be conducted within 
SUA – General 
-	Flight within SUA 
-	Air-to-air refuelling (AAR) 
-	Non-standard formation 
-	Formation take-off and landing 
-	Formation Break-Up (Split) 
-	Formation Join-up 
-	Supersonic flights 
-	More detailed separation standards 
New scramble definition – ECHO – throughout the document. 
SUA related procedures removed from this NTA and introduced into ASM LoA Annex 2, including: 
-	Entry to SUA 
-	Exit from SUA 
-	Flights within SUA 
-	Permeability of TSA for non-
participating flights 

 

 
 
Page 5 
 
Page 6  
Page 7  
Page 9  
Page 9 
Page 9  
Page 10  
Page 11  
Page 10 
Page 11 

 
All 

 

 

2.4 	 	Document review by Estonian Air Force and EANS: 
-	Removed 
4.8.3 Additional procedure for Mode 3A/C during ECHO Scramble. 
After coordination between MCU and relevant civil ATC units, the MCU may instruct ESCR aircraft turn off SSR transponders within 20 NM of target; 
-	A new chapter  
6 FLIGHT SAFTETY INCIDENT 
HANDLING 
and Annex 1 FLIGHT SAFETY 
INCIDENT REPORT; 
-	Change of unit names and contacts. 	 
 
Page 8 

 

 

 
Page 11 

 
 
Page 11  	
2.5 	23.01.2023 	Change of unit contacts 	Page 12 
Page 13 	
2.6	01.09.2024	Change of chaff procedures in Estonian airspace.

Added callisign “GA” to the SSR code assignment table.

Added “PiC statement regarding the incident” line into the Flight Safety Report form.	Page 8

Page 9

Annex 1	

CONTENT 
DOCUMENT CHANGE RECORD	2 
1.  GENERAL	7 
2.  ESTONIAN AIRSPACE MANAGEMENT PROCEDURES	7 
3.  RESPONSIBLE MISSION CONTROL UNIT (MCU) AND MCU CHANGE	7 
4.  FLIGHT PROCEDURES	7 
4.1. FLIGHTS WITHIN SUA	7 
4.2. QUICK REACTION ALERT FLIGHTS (QRA)	7
4.3. AIR-TO-AIR REFUELLING (AAR)	8
4.4. AIR COMBAT MANOEUVRING (ACM)	8
4.5. AIRBORNE WARNING AND CONTROL SYSTEM (AWACS)	8
4.6. LOW LEVEL FLYING	8
4.7. USE OF CHAFF AND FLARE	8
4.8. USE OF TRANSPONDER	8
4.8.1.  SSR Code Assignment	8
4.8.2.  Formation Flights	9
4.8.3.  ACAS/TCAS	9
4.9. ALTIMETER SETTINGS	9
4.10.  FORMATION FLYING	9
4.10.1.  Standard Formation	10
4.10.2.  Non-Standard Formation	10
4.10.3.  Formation Take-off and Landing	10
4.10.4.  Formation Break-Up (Split)	10
4.10.5.  Lost-Wingman (Lost-Lead) Procedure	11
4.10.6.  Formation Join-up	11
4.11. SUPERSONIC FLIGHTS	12 
4.12. SPEED RESTRICTION OF 250 KTS BELOW FL100	12 
4.13. UNPLANNED DIVERSION WITH ARMAMENT	12 
4.14. RADIO COMMUNICATION FAILURE	12 
4.14.1.  Formation Radio Failure	12 
5.  SEPARATION STANDARDS	12 
5.1. VERTICAL SEPARATION	13 
5.2. HORIZONTAL SEPARATION	13 
5.3. SEPARATION STANDARDS BETWEEN GAT AND SUA-s	13 
6.  FLIGHT SAFETY INCIDENT HANDLING	13 
7.  COMMUNICATION	14 
7.1. FAILURE OF GROUND/GROUND VOICE COMMUNICATIONS	14 
7.2. COMMUNICATION CONTACTS	14 

ANNEX 1 	 FLIGHT SAFETY INCIDENT REPORT ................................................  
ATTACHMENT A 	 ABBREVIATIONS .................................................................................  
ATTACHMENT B      DEFINITIONS........................................................................................
1. 	GENERAL 
This Technical Annex describes supplementary military flight procedures of “Letter of Agreement between NATO and the Baltic States on airspace management arrangements in support of the air policing mission and other air activities in the Baltics” for military operations in Tallinn FIR, military airspace utilization within Special Use Airspace (SUA), and provides instructions for expeditious launch and recovery of aircraft in support of air defence operations.  
Where the operational requirements of a flight are incompatible with either GAT rules or Estonian OAT rules, the activities shall be conducted in Special Use Areas (SUA) unless other methods will be approved by Estonian Air Navigation Services and Estonian Transport Administration.  
States, when taking over air policing mission in the Baltic States, shall contact the Estonian Air Force Staff at least 90 days before actual operations in case the provisions laid down in this Annex cannot be met or in case any additional agreements are foreseen in order to fulfil their operating procedures. 
2. 	ESTONIAN AIRSPACE MANAGEMENT PROCEDURES  
Estonian Airspace management procedures and areas available for training in Tallinn Flight Information Region (FIR) are described in the national Agreement of Airspace Management on Levels 2 and 3 (obtained from Estonian Air Force Military Airspace Manager (MAM). 
3. 	RESPONSIBLE MISSION CONTROL UNIT (MCU) AND MCU CHANGE 
The coordination and safe provision of fighter control of Quick Reaction Alert (QRA) flights within Tallinn FIR is the responsibility of the designated Mission Control Unit (MCU).  
Upon change of designated MCU, it is the responsibility of the MCU that takes over to notify Tallinn ATCC operational supervisor (OPSUP) about MCU change as soon as possible. 
4. 	FLIGHT PROCEDURES  
4.1. FLIGHTS WITHIN SUA 
Responsible Unit (MCU or PIC) shall ensure that all participating aircraft will stay within the SUA as follows: 
•	within lateral limits of the area and; 
•	vertically not closer than 500 FT to controlled airspace. 
When flying back and forth from SUA to uncontrolled airspace, GAT rules shall be adhered to in uncontrolled airspace. 
4.2. QUICK REACTION ALERT FLIGHTS (QRA)  
When an ALPHA-Scramble (A-SCR) or an ECHO-Scramble (E-SCR) order has been issued, coordination procedures laid down in 6.4.2.4 of the “Letter of Agreement between NATO and the Baltic States on airspace management arrangements in support of the air policing mission and other air activities in the Baltics” shall apply. E-SCR is subject to termination by Civil ATC if deemed necessary. 
Immediately before the initiation of an A-SCR or E-SCR mission from Ämari Airbase, the information listed in 6.4.2.4 of the main body of the agreement shall be issued to Ämari Tower (TWR) as the relevant Air Traffic Control (ATC) unit. 
QRA (interceptor (I)) flights are conducted as described in paragraph 6 of the main body of the agreement. Once the A-SCR or E-SCR mission is complete and the scramble status is changed from ALPHA or ECHO to TANGO, an ICAO flight plan is not needed to proceed to any activated SUA and/or to return to the operating airbase. 
ATC will consider all flights which have changed their scramble status from ALPHA or ECHO to TANGO as GAT IFR flights. 
4.3. AIR-TO-AIR REFUELLING (AAR) 
AAR operations should preferably be conducted in SUA(s). 
4.4. AIR COMBAT MANOEUVRING (ACM) 
Training of Air Combat Manoeuvring (ACM) is allowed only in activated SUAs. 
4.5. AIRBORNE WARNING AND CONTROL SYSTEM (AWACS) 
AWACS operations may be carried out inside activated SUAs or in controlled airspace, as coordinated with responsible ATC.  
If AWACS flight is carried out outside SUAs, it is considered as GAT flight and standard separation minima apply (incl. minima in RVSM airspace) unless otherwise requested by PIC. 
4.6. LOW LEVEL FLYING 
Standard operational procedures for low level flying of military jet aircraft greater than 250kt in Estonian airspace are described in AIP Estonia ENR 5.2. 
4.7. USE OF CHAFF AND FLARE 
Usage of chaff is allowed only after prior coordination with Estonian AF HQ A3. In addition to the AF HQ A3 section approval, tactical coordination is also required with designated MCU prior actual chaff deployment. Usage of chaff in Estonian airspace is not permitted when
•	chaff usage would interfere with Air Traffic Control and/or air surveillance radars. 
•	wind would carry any parts of the chaff cloud beyond Estonian national borders.
•	chaff usage would create an air safety incident.
•	near vicinity of airfields.
•	near vicinity of air surveillance radars.
The responsibility to evaluate the impact of tactical chaff deployment in light of aforementioned criteria lies with the Pilot in Command.
Usage of flare is allowed only in SUAs with prior notice to MCU. 
4.8. USE OF TRANSPONDER 
4.8.1. 	SSR Code Assignment  
The following Mode 3A (SSR) codes will be used for QRA(I) aircraft involved in A-SCR: 
CALLSIGN 	SSR CODE 	CALLSIGN 	SSR CODE 	
MA01 	1325 	MA03 	1313 	
MA02 	1326 	MA04 	1314 	
SA01 	1301 	SA03 	1307 	
SA02 	1302 	SA04 	1310 	
EI01 / GA01	1321 	EI03 / GA03	1323 	
EI02 / GA02	1322 	EI04 / GA04	1324 	
JK01 	1303 	 	 	
JK02 	1304 	 	 	
 
The following Mode 3A (SSR) codes will be used for QRA(I) aircraft involved in T-SCR or E-SCR: 
CALLSIGN 	SSR CODE 	CALLSIGN 	SSR CODE 	
MA01 	1501 	MA03 	1503 	
MA02 	1502 	MA04 	1504 	
SA01 	1570 - 1577 	 	 	
SA02 	1570 - 1577 	 	 	
EI01 / GA01	1570 - 1577 	 	 	
EI02 / GA02	1570 - 1577 	 	 	
JK01 	1570 - 1577 	 	 	
JK02 	1570 - 1577 	 	 	
 
4.8.2. 	Formation Flights 
Whilst transiting to and from a SUA in standard formation, only the lead military aircraft is to squawk Mode 3A/C. Other aircraft are to switch their transponder to “standby” mode.  
In non-standard formation all military aircraft shall squawk Mode 3A/C. 
4.8.3. 	ACAS/TCAS 
If equipped with ACAS/TCAS, single aircraft (not a formation flight) shall operate in the Traffic Alert/Resolution Advisory (TA/RA) mode outside SUA-s. 
In a formation, if equipped with ACAS/TCAS, only the lead aircraft should operate in the TA/RA mode.  
4.9. ALTIMETER SETTINGS 
QNH altimeter setting as provided by the appropriate ATC unit shall be used by aircraft operating at or below transition altitude (TA) of 5000 FT AMSL and by aircraft descending below the transition level (TL). 
The standard atmospheric pressure (e.g. 1013.2 hPa or 29.92 in Hg) shall be used by aircraft operating at or above the transition level and by aircraft climbing above the transition altitude (TA) of 5000 FT AMSL. 
4.10. FORMATION FLYING 
Sufficient safety distance between the aircraft comprising a formation flight shall be the responsibility of the formation leader and the individual PIC at all phases of the flight, which includes take-off and landing and all parts of the enroute flight. 
Upon each initial report on a new radio frequency, the formation leader shall indicate to ATC whether the flight is in standard or non-standard formation and the number of aircraft in the formation (E.g. Callsign/Standard formation of 4). 
4.10.1. Standard Formation 
A Standard Formation is a formation in which each aircraft will stay within 1 NM horizontally and 100 FT vertically from the formation leader. 
4.10.2. Non-Standard Formation 
 
A Non-standard Formation is a formation in which aircraft/elements belonging to that formation will exceed the limits of a standard military formation.  
Before flying in non-standard formation all aircraft shall squawk Mode 3/A and Mode C and request an approval from ATC stating the required distance between aircraft (i.e.: REQUEST NON-STANDARD FORMATION – TRAIL 3 MILES).  
4.10.3. Formation Take-off and Landing 
Take-off and landing of aircraft comprising a military formation flight ATC will treat the formation the same way as the take-off and landing of a single aircraft.  
Required time/distance intervals between elements or individual aircraft comprising the formation flight are determined by the formation leader and he/she shall inform ATC about the magnitude of the intervals. 
During formation take-offs and recovery, the separation between the leader and all other aircraft of the formation may be higher than 3 NM horizontally and/or 1000 ft vertically. For this type of departure / recovery, all aircraft of the formation shall squawk Mode 3/A and Mode C. 
Formation take-offs with intervals more than 1 minute will be treated as take-offs of separate aircraft/elements and separate clearance shall be received to each individual aircraft/element. 
4.10.4. Formation Break-Up (Split) 
Except in an emergency, a formation break-up shall only occur after pre-planning, advanced coordination, and approval by ATC. Formation Beak-up is usually done by one aircraft/element at a time. 
Prior to the planned formation break-up, the formation leader shall inform ATC whether to breakup the formation flight into single aircraft or elements. 
The formation leader shall inform ATC about his intended aircraft/element break-up sequence and call-signs. 
As soon as the formation break-up has been directed by ATC for the respective aircraft/element, this aircraft/element is no longer part of the previous formation flight and shall follow subsequent ATC directions issued to them. 
After the formation leader reported ready for break-up, the controller should inform the formation leader when the break-up procedure shall commence, the method to be used and allocate or confirm SSR codes. 
However, ATC will only assume responsibility for separation between the aircraft/elements that are conducting the formation break-up after prescribed separation minima have been established. Until then, the individual pilot-in-command/element-leader is responsible for maintaining sufficient safety distance. 
Formation break-up in uncontrolled airspace shall be reported to the appropriate ATC unit before entering controlled airspace.  
4.10.5. Lost-Wingman (Lost-Lead) Procedure 
In any lost wingman situation, an immediate initial safety distance between aircraft is essential for flight safety to avoid a potential mid-air collision. Therefore, each wingman losing sight/contact of the aircraft preceding him or being unable to maintain formation for other reasons shall immediately execute the procedures relevant to his flight position, while transitioning to instrument flying and resuming own navigation. 
Wingman losing sight/contact of the aircraft preceding him or being unable to maintain formation for other reasons shall squawk A7700 and request individual clearance from ATC as soon as possible. 
Note: Lost-Wingman Procedure execution may result in a loss of minimum separation in respect to other air traffic and is an Emergency situation for ATC. 
4.10.6. Formation Join-up 
When ATC controls a formation join-up, an ATCO shall provide the appropriate separation until the formation leader has confirmed his/her readiness to assume responsibility for maintaining safety distance between his aircraft, the aircraft comprising the formation and the joining aircraft (MARSA or similar report). 
The individual aircraft will not be handled like a formation before the formation leader has reported that the join-up is completed. 

If the formation join-up is requested to be carried out under VFR, ATC will provide traffic information until the formation leader reports that formation join-up is completed.  
4.11. SUPERSONIC FLIGHTS 
Supersonic flight in Tallinn FIR above land or above sea up to 10 nautical miles outside the territorial waters may not take place below flight level FL300. 
Restrictions described above do not apply to QRA(I) flights involved in A-SCR or E-SCR. 
4.12. SPEED RESTRICTION OF 250 KTS BELOW FL100 
This restriction does not apply if military aircraft must be flown at a higher air speed due to their military flying characteristics or when involved in Low Level Tactical Flying. These aircraft shall fly at the lowest possible air speed for the respective flight configuration under the given flight conditions, unless the mission requires a higher speed. The responsibility for the performance of a safe flight rests with the PIC. 
4.13. UNPLANNED DIVERSION WITH ARMAMENT 
Before landing with armament or practice munitions at any military or civilian airfield, where respective local procedures are not known, the pilot-in-command shall appropriately advise ATC about the circumstances. 
After landing the pilot-in-command shall request taxi instructions to the designated safe-forparking area and avoid taxiing into an area or position that could threaten personnel or equipment. 
4.14. RADIO COMMUNICATION FAILURE  
In case of a radio communication failure a pilot-in-command shall ensure compliance with relevant ICAO radio failure procedures. 
4.14.1. Formation Radio Failure 
A formation flight in which a flight member experiences total radio failure shall comply with the procedures outlined for this case within the Standard Operating Procedures (SOP) of their appropriate national authority. 
If the SOP requires deviations from a given clearance, the flight leader or the pilot of the aircraft with the serviceable radio shall inform the ATC unit and request a different clearance. 
In the event that the total radio failure affects all aircraft of the formation flight, the formation leader shall ensure compliance with basic ICAO radio failure procedures. 
In case a formation break-up is required for safe approach and landing all aircraft or elementleader of the formation flight shall squawk A7600, as soon as the break-up was initiated by the formation leader and continue to ensure compliance with basic ICAO radio failure procedures. 
5. SEPARATION STANDARDS 
The prescribed separation minima are applicable to formations of no more than four aircraft. For larger formations double horizontal separation or prescribed vertical separation from a level block shall be used. 
5.1. VERTICAL SEPARATION 
When applying vertical separation between aircraft the following minima shall be used: 
 
1000 FT between: 
•	single military aircraft and other traffic below FL290; 
•	RVSM approved single military aircraft and other RVSM approved aircraft above FL290; 
•	a standard formation and other traffic within lateral limits of Tallinn TMA1 up to 5000 ft MSL; 
•	all aircraft of a non-standard formation and other traffic below FL290. 
 
2000 FT between: 
 	a standard formation and other traffic (with the exception stated above);  	an A-SCR or E-SCR flight (formation or single aircraft) and other traffic;  	all aircraft of a non-standard formation and other traffic above FL290. 
 
If operationally required pilot or MCU may request a specific level block. In such case ATC shall apply the appropriate vertical separation minimum to agreed level block. 
All formation flights in RVSM airspace will be considered as non-RVSM. 
 
5.2. HORIZONTAL SEPARATION 
Horizontal separation minima shall be: 
•	Within Tallinn CTA  	 	5 NM 
•	Within Tallinn TMA  	 	3 NM 
To ensure that the minimum horizontal separation is not infringed between all aircraft of the standard formation and other traffic, ATC shall add 1 NM to the distance of the prescribed horizontal minimum separation between the squawking aircraft of the formation and other traffic. 
In case Non-standard formation, ATC shall apply prescribed horizontal separation between all aircraft of the non-standard formation and other traffic. 
5.3. SEPARATION STANDARDS BETWEEN GAT AND SUA-s 
ATC shall provide separation between activated SUA-s and non-participating controlled flights:  
 	Vertically 500 FT (if SUA is activated at or below FL 285) or   	Vertically 1500 FT (if SUA is activated at or above FL 295). 
Controlled VFR flights in the vicinity of SUA shall be informed about activity by relevant ATC unit. 
6. FLIGHT SAFETY INCIDENT HANDLING 
In case of a flight safety incident occurrence or violation of effective procedures in Tallinn  FIR, a written report needs to be filled in and submitted ASAP but not later than within a 24 hour timeframe from the incident by the participating entities in accordance with ANNEX 1 of this document. 
The investigation of aviation incidents and accidents involving military aircraft in Tallinn FIR must be conducted in accordance with Estonian national regulations and NATO Standard “Safety Investigation and Reporting of Accidents/Incidents Involving Military Aircraft, Missiles, and/or UASs – AFSP-1.3” (STANAG 3531). 
7. COMMUNICATION 
7.1. FAILURE OF GROUND/GROUND VOICE COMMUNICATIONS 
In case of communications failure, pilots shall be instructed, at least 5 minutes prior to the transfer of control, to pass flight data on the appropriate frequency of the accepting unit for the purpose of obtaining an entry clearance. 
The transferring unit shall hold the aircraft within its AoR and after a maximum of 10 minutes instruct the pilot to re-establish radio contact with the accepting unit. This procedure shall be repeated until an onward clearance has been obtained from the accepting unit. 
7.2. COMMUNICATION CONTACTS 
UNIT 	PHONE 	FAX 	E-MAIL 	
CRC Tallinn 
(c/s LIGHTHOUSE) 
 	+372 717 3701 (FA) 
+372 717 3711 (FA) 
+372 717 3721 (FA) 
+372 717 3700 (MC) 	- 	kv.osd.ojke.gci@mil.ee 	
CRC Lielvarde 
(c/s AMBERLAND) 	+371 6500 2204 (FA) 
+371 6500 2265 (FA) 
+371 6500 2202 (MC) 	+371 6500 2698 	AFCRC@mil.lv 
 	
CRC Karmelava 
(c/s GALAXY) 
 	+370 7067 8501 (FA) 
+370 3730 9694 (FA) 
+370 7067 8515 (MC) 	+370 3730 7526 
+370 3739 9027 	crc.karmelava@mil.lt 	
Tapa RCO 
(c/s MUDPIT) 	+372 56 911 476  	- 	rco@mil.ee  	
Ämari TWR 	+372 717 3185 	- 	airbase-atc@mil.ee  	
Tallinn ACC WEST 
Sector Group Planner 	  
+372 6 710 211 
B-up: +372 6 990 021 	- 	- 	 	
Tallinn ACC EAST 
Sector Group Planner 	  
+372 6 710 223 
B-up: +372 6 990 027  	- 	- 	 	
Tallinn ACC FIS Sector  	  
+372 6 710 227 
B-up: +372 6 990 029 	- 	- 	 	
Tallinn Approach ARR Planner 	  
+372 6 710 233 
B-up: +372 6 990 032 	- 	- 	 	
AMC Estonia 	  
+372 6 710 236 
B-up: +372 6 990 034 
B-up: +372 503 0055 	- 	amc@eans.ee  	
Tallinn 	ATCC 
Operational 
Supervisor 
(OPSUP) 	+372 6 258 254 
B-up: +372 6 990 033 
B-up: +372 503 0055 	+372 6 258 203 	supervisor@eans.ee  	
Military Airspace 
Manager (MAM) 	+372 717 3701 
+372 717 3119  	- 	kv.osd.ojke.gci@mil.ee; airspace@mil.ee 	

 ANNEX 1  	
FLIGHT SAFETY INCIDENT REPORT
 
Date:  	Time:  	Location:  	
Type of control: (CLOSE POSITIVE / LOOSE ADVISORY / BROADCAST) 	
 
Incident description (what, where, with who, how, closest traffic, etc.): 

 
 
 PiC statement regarding the incident:

 

Recommendations (how to prevent it happening again): 

 
 
Name:  	OPS position: (FA / FC / FC backseater) 	
 
This form needs to be filled in and sent to flightsafety@mil.ee and safety@eans.ee ASAP but not later than within a 24 hour timeframe from the incident by the participating entities.  
ATTACHMENT A 	 	ABBREVIATIONS
 
AAR  
ACAS 
ACC  
ACM  
AIP 	 
AMC  
AoR  
ARR  
ATC  
AWACS 
CRC   
CTA  
EANS 
ENR  
ETO  
FA 	 
FIR  
FL 	 
FT 	 
GAT   
HOSP IFR  kt 	 
MAM  
MARSA 
MC  
MCU  
NM  
OPSUP 
PIC  
QRA  
RCO  
RVSM 
SAR  
SCR  
SOP  
SSR  
SUA  
TA 	 
TCAS 
TL 	 
TMA  
TWR  
VFR  	Air-to-Air Refuelling 
Airborne Collision Avoidance System 
Area Control Centre 
Air Combat Manoeuvring 
Aeronautical Information Publication 
Airspace Management Cell 
Area of Responsibility 
Arrival 
Air Traffic Control 
Airborne Warning and Control System  
Control and Reporting Centre 
Control Area 
Estonian Air Navigation Services 
Enroute 
Estimated Time Over 
Fighter Allocator 
Flight Information Region 	 
Flight Level 
feet 
General Air Traffic 
Hospital 
Instrumental Flight Rules knots 
Military Airspace Manager 
Military Accepts Responsibility for Separation of Aircraft  
Master Controller 
Mission Control Unit 
Nautical mile 
Operational supervisor 
Pilot in Command 
Quick Reaction Alert 
Range Control Officer 
Reduced Vertical Separation Minimum 
Search and Rescue 
Scramble 
Standard Operating Procedures 
Secondary Surveillance Radar 
Special Use of Airspace 
Transition Altitude 
Traffic Collison Avoidance System 
Transition Level 
Terminal Control Area 
Tower	 
Visual Flight Rules 		

ATTACHMENT B 	 	DEFINITIONS 

Air Policing (AP) 	A peacetime mission involving the use of the Air Surveillance and Control System, air command and control and appropriate air defence assets, including interceptors, for the purpose of preserving the integrity of the NATO airspace part of Alliance airspace. 	
Air Traffic Control  
(ATC Unit) 
 	Air Traffic Control (ATC) Unit means variously, area control centre, approach control unit or aerodrome control tower. 	
Airborne Early Warning 
(AEW) 
 	Military aerial operation during which an aircraft is utilizing active and/or passive electronic emitters. AEW operations usually take place inside designated areas (e.g. TSA/TRA), or use other airspace arrangements that have been precoordinated with ATC as an unusual aerial activity. 	
Aircraft Scrambling 	Directing the immediate take-off of aircraft from a groundalert condition of readiness. 	
Air-to-Air Refuelling (AAR) 
 	Military aerial operation to refuel aircraft during flight. AAR operations usually take place in designated military training areas (e.g. TRA/TSA), or use other airspace arrangements that have been pre-coordinated with ATC as an unusual aerial activity. 	
ALPHA Scramble (A-SCR) 	Tactical mission of military aircraft involved in an actual air policing incident. 	
Area of Responsibility (AoR) 	An airspace of defined dimensions where an ATC unit has responsibility for providing air traffic services. 	
Control and Reporting Centre (CRC) 	An air control element subordinate to a Combined Air Operations Centre (CAOC) from which warning operations and weapons control are conducted. 	
ECHO Scramble (E-SCR) 	Tactical training mission carried out in accordance with ASCR rules and is subject to termination by Civil ATC if deemed necessary.   	
Fighter Aircraft 
 	A generic term to describe a type of fast and manoeuvrable fixed-wing aircraft capable of tactical air operations against air and/or surface targets. 	
Fighter Allocator (FA) 
 	An officer who assigns and supervises intercept control teams to control intercepts. 	
Fighter Control 
 	A service provided for the purpose of specialized military operations such as air policing, air combat training, low level missions, in-flight refuelling and other activities which are not compatible with the normal application of air traffic service procedures as specified in the ICAO Rules of the 
Air. 	
Fighter Controller (FC) 	An officer who has the responsibility to control intercepts using specific procedures. 	

Formation Flight 
 	A flight consisting of more than one aircraft which, by prior arrangement between the pilots, operates as a single aircraft with regard to navigation and position reporting, as well as clearances issued by ATC.  	
General Air Traffic (GAT) 
 
 	All flights, which are conducted in accordance with the rules and procedures of ICAO and/or the national civil aviation regulations and legislation. 	
Low-Level Flying 
Areas/routes 
 	Established areas where authorised low flying may be carried out in accordance with national regulation and special procedures. 	
MCU Master Controller (MC) 	An officer at an MCU who is responsible for the minute-tominute control of Air Defence (AD) operations. 	
Military Special-Use Area (SUA) 	Airspace wherein activities must be confined because of their nature, or wherein limitations may be imposed upon aircraft operations that are not part of those activities. 
These 	areas 	may 	include 	generally 
CBAs/TSAs/TRAs/Restricted areas/Dangerous areas/ Established Routes and Corridors, firing areas for any military purpose. These are published in national AIPs. 	
Non-standard Formation 
 	Aircraft/elements of a formation flight that are outside the horizontal and/or vertical limits of standard military formation parameters are considered a non-standard formation. 	
Quick Reaction Alert Interceptor (QRA(I)) 	Air defence fighters on alert for the peacetime policing mission as part of the NATO deterrent. 	
Scramble 	An order directing take-off of aircraft as quickly as possible, usually followed by mission instructions. 	
Standard Military Formation 
 	A formation of aircraft flying under IFR in which each wingman aircraft will stay within 1 NM horizontally and 100 FT vertically of the lead aircraft. Only the lead aircraft (formation leader) shall squawk as directed by ATC. 	
Tactical Low-Level Flying 
 	A military training mission carried out to accomplish a specific authorised mission within a designated timeframe and a designated airspace volume. 	
TANGO Scramble (T-SCR) 
 	A scramble for a direct practice of Air Defence/Air Policing mission. This will be executed in accordance with national flying regulations. CAOC should arrange for a portion of TSCRs to be initiated from and into adjacent Air Policing Areas. Flying Units and CAOC/MCU are encouraged to discuss the training requirement and plan meaningful mission accordingly. 	
Temporary Segregated Area (TSA) 	An airspace of defined dimension within which activities require the reservation of airspace for the exclusive use of specific users during a determined period of time.