Related by context. All words. (Click for frequent words.) 73 Notam 72 NOTAMs 67 Airmen NOTAM 66 notam 63 NOTAMS 56 METARs 53 DC ADIZ 53 GPWS 53 FliteCharts 53 TCAS II 53 datalink 53 Emergency Airworthiness Directive 52 EASA approvals 52 AWOS 52 aeronautical charts 52 windshear 52 Area Navigation RNAV 52 Airworthiness 51 www.faa.gov 51 Terrain Awareness 51 FAA airworthiness directive 51 ACARS 51 worthiness directive 51 CAT IIIB 51 Include Docket No. 50 Garmin FliteCharts 50 TCAS 50 unairworthy 50 Airworthiness Directive 50 FAR #.# 50 Operators Certificate AOC 50 TFRs 50 Approach Control 50 HTAWS 49 flightcrew 49 EGPWS 49 SafeTaxi 49 METARs TAFs 49 airworthiness certificates 49 navigable airspace 49 proposed rulemaking NPRM 49 localizer 49 Airworthiness Directive AD 49 WAAS LPV 49 Type Certificate 48 Flash Flood Watches 48 runway #R 48 Precision Approach 48 Instrument Landing System 48 CPDLC 48 Aerobahn 48 ICAO Annex 48 Sources Sought 47 VAAC 47 Weather Observation 47 AAIU 47 NSN #-#-#-# 47 VFR visual 47 Spokesman Ian Gregor 47 EICAS 47 glideslope 47 MHz ELT 47 Airworthiness Directives 47 ASDE 47 airworthiness certificate 47 Severe Weather Warning 47 ARTCC 47 Accomplishment Instructions 46 Airworthiness directives 46 Legacy transponder 46 B#NG 46 TAWS 46 Commando Solo 46 FOQA 46 System TCAS 46 autothrottle 46 EFVS 46 navaids 46 NADIN 46 System ILS 46 Instruction #-# 46 KIAS 46 Emergency Locator Transmitter 46 DGAC civil 46 emergency airworthiness directive 46 spokeswoman Terri Durdaller 46 #PA 46 AMASS 46 Freezing Rain Advisory 46 AFSS 46 localiser 46 airspace 46 crisscrossing runways 45 feet agl 45 Certificate STC 45 Continued Airworthiness 45 preflight briefings 45 GMDSS 45 FARs 45 intratheater airlift 45 altimeter 45 Sailing Instructions 45 #st Airlift Squadron [002] 45 ashfall advisory 45 Offerors Commercial 45 VHF FM 45 Roland Herwig 45 RNP AR 45 #.#-# Offeror Representations 45 Certifications Commercial Items 45 CREATE TABLE 45 FAR Part 45 runway #L 45 NEXRAD 45 NVG compatible 45 deHavilland Beaver floatplane 45 altimeters 45 LOAs 45 airbus A# 45 takeoffs landings 45 VFR flight 45 #W# [009] 45 airspeed indicator 44 airworthiness directive AD 44 FAR #.#-# Instructions 44 ATC 44 Subsection b 44 Blizzard Warning 44 WSI InFlight 44 radar scopes 44 DFARS 44 uncontrolled airspace 44 glide slope 44 FAR #.#-# Offeror Representations 44 Runway #R 44 cockpit collision avoidance 44 Lizandro Toro 44 NPRM 44 Proposed Rulemaking NPRM 44 Operator Certificate AOC 44 Mobility Command 44 nautical mile radius 44 locator transmitter 44 FS9 44 ADIRUs 44 VNAV 44 EFFECTIVE DATE 44 Interconnection Regulation 44 William Shumann 44 Offerors Commercial Items 44 preflight checks 44 Repurchase Notice 44 National Airspace System 44 Operator Certificate 44 SUPPLEMENTARY INFORMATION 44 Lopatkiewicz 44 Lilabari 44 EASA certification 44 notification 44 mayday distress 44 Instructor Pilot 44 Federal Aviation Adminstration 44 NVGs 44 Enac 44 SATCOM WGS 44 subsidiary Aeroflot Nord 44 northbound takeoffs 44 Jetstream aircraft 43 autothrust 43 Elizabeth Isham Cory 43 locater beacon 43 DREF Bulletin 43 A#B# 43 Airspace 43 FAA 43 WSI Fusion 43 Radar Approach Control 43 dated #-#-# [001] 43 Ground Proximity Warning 43 Tooltip 43 cancellations postponements 43 DGAC 43 distress beacons 43 Allan Kenitzer 43 Traffic Collision Avoidance 43 FAA airworthiness directives 43 JAR OPS 43 runways taxiways 43 MQ 1B 43 XM WX 43 System RAAS 43 Pope AFB 43 Isavia 43 Explanatory Note 43 Helios Airways Flight 43 taxiway markings 43 Guaranteed Delivery 43 ADIZ 43 Severe Weather Warnings 43 Fund website www.sunamericafunds.com 43 Data Inertial Reference 43 EASA Part 43 Air Worthiness 43 Quotation RFQ 43 gyroplanes 43 annunciators 43 dated #.#.# [002] 43 Airspace Redesign 43 Variable Message Signs 43 Operational Capability 43 Travel Advisories 43 pilotless reconnaissance 43 Boeing #NG aircraft 43 Runway Incursion 43 Offer Document dated 43 Information Circulars 43 rudder limiter 43 Nepal CAAN 43 landed uneventfully 43 mayday 43 Iridium transceiver 43 Stormscope 43 flightpath 43 Naseem Zaidi 43 L5 signal 43 Vincent Capezzuto 43 DFARS #.#-# 43 Gen. Alexander Alyoshin 42 PlaneView 42 Honeywell IntuVue 42 Inspection Authorization 42 Wing Commander Mahesh Upasani 42 Federal Aviation Regulations 42 Champion Citabria 42 airport.com 42 spokesperson Wing Commander 42 emergency locator transmitters 42 Apparent Liability 42 emergency locater beacon 42 DESCRIPTION Debian 42 CFR #.# b 42 Shipment Notification 42 Required Navigation Performance RNP 42 Red Flag Warning 42 CFR #.# [005] 42 MIAL spokesperson 42 Continuous Descent Approach 42 Final EIS 42 Elmendorf AFB Alaska 42 Aero Term 42 Instrument Flight 42 Q# turboprop planes 42 Centre PTWC 42 SHOW CAUSE 42 callsign 42 ETOPS 42 www.fly.faa.gov 42 SMGCS 42 Lipperer 42 Logbooks 42 RAWALPINDI Anti Terrorism 42 Cutover 42 Appendix VII 42 WindTracer 42 avionic systems 42 CFR § #.# [002] 42 Kathleen Bergen spokeswoman 42 http:/dms.dot.gov 42 Sniper pods 42 Fly Away Simulation 42 TRACON controller 42 CodeRED Weather 42 inertial reference 42 #th RQW 42 HH #C 42 website www.gabelli.com 42 Fadec 42 CQD 42 ASDE X 42 Presidential Airlift Wing 42 UA# 42 Koito seats 42 EIA Notification 42 JAR FSTD 42 airworthiness certification 42 Eielson AFB 42 DOT OST 42 Dense Fog Advisory 42 IntuVue 42 dated #-#-# [002] 42 EASA STC 42 administrator Randy Babbitt 42 NAVTEX 42 gale warning 42 MH #G 42 selects Rockwell Collins 42 bulletin 42 autoland 42 CESSNA 42 ADIRU 41 CFR § #.# [007] 41 Beech #D 41 radarscope 41 tail rotor blades 41 callsigns 41 Andersen AFB 41 Pilot Licences 41 Dense fog advisory 41 Based Augmentation System 41 Notification 41 AFI #-# 41 Alison Duquette 41 Angolan Handball Federation 41 airworthiness 41 corrigendum 41 Bucharest Otopeni 41 deplaned safely 41 Ensign Andrzej Michalak 41 VATSIM 41 MQ 1B Predator 41 Foreign Object Debris 41 RVSM 41 Federal Aviation Administration 41 vide notification 41 ADAHRS 41 Signs DMS 41 spokesman Allen Kenitzer 41 MOAs 41 ECAM 41 PTWC 41 Airprox 41 Augmentation System 41 Weather Radar 41 loran 41 weather briefings aeronautical 41 Hindan 41 Severe Thunderstorm Watch 41 Funds Availability NOFA 41 #.#MHz [004] 41 QF# [001] 41 UH #M 41 Cockpit Voice 41 Schipol airport 41 NIMET 41 FAR #.#-# [003] 41 Accident Investigation Board 41 NVIS 41 AFIRS 41 Dash #-# 41 FNPT II 41 Turbo Prop 41 RQ 7B Shadow 41 P3 Orion 41 Larri Frelow 41 Radio Beacon EPIRB 41 WAAS 41 Instrument Landing 41 Embraer Brasilia 41 Langley AFB 41 transponder 41 Full Operational Capability 41 AICUZ 41 Specifications pricing 41 § #.# [002] 41 Arlene Salac 41 FAA Reauthorization 41 DFS Deutsche Flugsicherung 41 OMCC 41 FedBizOpps.gov 41 Message Handling 41 airspeed sensors 41 Notice #-# [001] 41 Helicopter Terrain Awareness 41 Nasim Zaidi 41 traffic controllers 41 #BA [002] 41 QRZ.com 41 Severe Weather Statement 41 CRZ Notification 41 FAA JAA 41 Runway #L 41 F/A-#C 41 Radar Altimeter 41 runway incursion 41 Mobile Boarding Pass 41 Arlanda Airport 41 GDL #A 41 MIL STD #B 41 Chanchangi Airlines 41 dated #.#.# [001] 41 FastMarkets Ltd 41 Hard Freeze Warning 41 SBIRS HEO 41 Direction Finder 41 Bioastronautics Roadmap 41 emergency locator transmitter 41 OCONUS 41 TAAG Angola 41 Tactical Aircraft 41 ATCOs 41 SFAR 41 National Aeronautical Charting 41 MQ 8B 41 Diane Spitaliere 41 CAT IIIA 41 Sensis MDS 41 Eurocopter AS#B# 41 Awacs 41 Skytypers 41 RED FLAG 41 distress signal 41 airworthiness directive 41 array AESA 41 VFR 41 Proposed Rulemaking ANPRM 41 Doppler Weather 41 flightstats.com 41 WAAS approaches 41 IV.#.# 41 Elmendorf AFB 41 Zonal Drying 41 STC'd 41 Section #.# [001] 41 Flood Watches 41 Tyndall AFB Fla. 41 GMTI 41 preflight inspection 41 STORMTRACK announcements 41 http:/orca.bpn.gov 41 ReadMe file 41 spokesman Dean Breest 41 Maintenix 41 navigation aids 41 SafeRoute 41 ATNS 41 Personal Locator Beacons 41 Aircrafts 41 AFRCC 41 Ancillary Terrestrial Component 41 FAA EASA 41 AVIONEWS 41 IRIG 41 Garmin G# integrated 41 USAir Force 40 Personal Locator Beacon 40 test airplane ZA# 40 FAASTeam 40 RNP approaches 40 Notice 40 DESCRIPTION rPath 40 KURS 40 Bombardier Dash #-# 40 ELTs 40 Vickers Viscount 40 pilot readback 40 Certifications Commercial 40 Awacs aircraft 40 International NSCBI Airport 40 regulator DGCA 40 Federal eRulemaking Portal http:/www.regulations.Tavarekere 40 Tornado Watch 40 JSTARS 40 Serchak 40 Beechcraft #D 40 expressly qualifies 40 facsimile transmission 40 flight AF# 40 Naverus RNP 40 Aeroflot Cargo 40 InfraTek 40 Winter Weather Advisories 40 Dynamic Message 40 Traffic Control 40 #.#-# Instructions 40 APIS 40 Reduced Vertical Separation 40 McGhee Tyson Airport 40 Capt. Uriah Orland 40 Offerors Commercial applies 40 Bombardier Q# turboprop 40 doppler radar 40 Surveillance Radar 40 TSO C# 40 RWY 40 aircrews 40 Certificates STC 40 Wide Area Augmentation 40 Tornado Warning 40 Notices 40 groundspeed 40 Unmanned drone 40 Collision Avoidance Systems 40 Range RVR 40 COMINT 40 pitots 40 Undocking 40 Miscellaneous Fares 40 AWACS aircraft 40 Cessna #RG 40 #R/#L 40 Winlink 40 MIL HDBK 40 NSCBI Airport 40 Identification Friend 40 ATPL 40 System WAAS 40 RVSM airspace 40 GPS WAAS 40 Dense fog disrupts 40 Lelaie 40 Surplus Contract 40 pitot probe 40 Orlandella 40 taxiway 40 radio altimeter 40 Solomon Makgale 40 Docket Number 40 Vessel Traffic Service 40 Automatic Identification System 40 Graf Ignatievo 40 Control TRACON 40 NSC Bose Airport 40 STUAS 40 approved NVG compatible 40 Vapper 40 HC #J 40 Red Flag Warnings 40 IFALPA 40 Colonel Alexander Drobyshevsky 40 #.#-# [016] 40 § #:# [001] 40 eFAST 40 aborts landing 40 spokesperson Jitendra Bhargava 40 AFCENT 40 #st Fighter Squadron [001] 40 Potomac Terminal Radar 40 Eurocopter EC# helicopter 40 Augmentation System WAAS 40 Thales probes 40 Rebooking 40 Stimmrechtsmitteilung pursuant 40 StormCenter 40 Bidding Documents 40 EASA Approval 40 navigational charts 40 #.#-# Contract Terms [001] 40 MC #J 40 Agency ANAC 40 Enforcement Notices 40 Ministerial Decree No. 40 subparagraph B 40 EUROCONTROL 40 Inertial Navigation System 40 alphanumeric pagers 40 W1AW 40 JetPort 40 chief Pedro Desuasido 40 seater Airbus A# 40 Severe Weather Alert 40 flight LH# 40 AOPA Pilot 40 sitrep 40 Emergency Locator Transmitters 40 Severe Thunderstorm Warnings 40 Thunderstorm Watch 40 Tarmac Delay 40 airspeed 40 severe thunderstorm warnings 40 Subsidiary Arrangements 40 IMDG Code 40 Mr Kintau 40 DESCRIPTION Red Hat 40 airspeed indicators 40 NSC Bose airport 40 ARE AUTHORIZED 40 TACAN 40 proposed rulemaking 40 YSR chopper 40 Washington Dulles IAD 40 Severny airport 40 chief investigator Akrivos 40 reconaissance 40 Flight CX# 40 Night Vision Goggles 40 Confirmatory Order 40 pitot 40 ritonavir prescribing 40 Programmed Depot 40 NavCanada 40 Safety Audit IOSA 40 Airport spokesman Fridthor 40 Warrant Indenture 40 Control Devices MUTCD 40 Midair 40 Permitted Holders 40 unflyable 40 dropsonde 40 OPEVAL 40 Islip MacArthur 40 ARRL Letter 40 SEOC 40 EASy 39 Doppler Radar 39 FAA Airworthiness Directive 39 Amended Notice 39 cdt 39 Pa.RAP 39 aircrew 39 Falcon Virgo 39 SkillSoft courseware content 39 Bajpe Airport 39 thrust reverser 39 WeatherCall 39 Avro RJ# [002] 39 Apache Helicopter 39 Multilateration 39 AMOC 39 Proxy Forms 39 System IFIS 39 PLBs 39 G# equipped 39 #th Aggressor Squadron 39 Iceland volcano ash 39 Automatic Dependent Surveillance 39 collision avoidance 39 Severe thunderstorm watch 39 enclosed herewith 39 Theater Ballistic Missile 39 FNPT II MCC 39 Passenger Lonnie Heidtke 39 CEO Titus Naikuni 39 visit www.sensis.com 39 navigational aids 39 Proposed Rule Making 39 Recent Accounting Pronouncements 39 ASECNA 39 Potomac Airfield 39 Appendix 3Y 39 Jetlite flight 39 #th TACC 39 NJSA #:#-# [004] 39 Bellview Airlines 39 radar altimeters 39 CFR #.# [002] 39 KC #A [001] 39 Radio HAR 39 HEMS operators 39 Security BCAS 39 SUAV 39 CRPS Offer Letter 39 Precautionary Boil Water 39 Egnos 39 gendarme helicopter 39 KC #R Stratotankers 39 2A Greyhound 39 VOR 39 NTAS 39 ECCAA 39 deice 39 turbine airfoils 39 VHF 39 flightaware.com 39 Intent NOI 39 Branch AAIB 39 un airworthy 39 GATM 39 VFR IFR 39 F 4s 39 #MEDIA 39 CoPP 39 EUROCAE 39 MR Civ 39 Tornado Watches 39 runway centerline 39 Beechcraft A# 39 Draft Programmatic Environmental Impact 39 Avio NG 39 Recommended Practices 39 Navy F/A-# Hornets 39 Luckily Arman Deganian 39 GR9 39 Directive #.# 39 FNPRM 39 Turin Caselle airport 39 #.#-# b [001] 39 Eydal 39 EMBARGOED 39 Interpretive Guidance 39 MH #S Seahawk 39 ANALYST E MAIL 39 NDNC registry 39 NAVSTAR Global Positioning System 39 Flight Departure Arrival 39 cabin pressurization 39 Extended Range aircraft 39 securities See annexure 39 nautical charts 39 A# #F freighters 39 Pitot probes 39 Flash Flood Warning 39 intersecting runway 39 Sandy Angers 39 RUFF HOUSE 39 presolicitation notice 39 LoTW 39 Sentry airborne 39 Flights Delayed 39 System AMHS 39 Secunia recommends 39 Hawklink 39 NM radius TFR 39 dated #.#.# [003] 39 Runway Visibility 39 Cockpit Voice Recorder 39 Lohegaon airport 39 Certificates STCs 39 audible beep 39 TANS airline 39 fuel tank inerting 39 Q# turboprop aircraft 39 Cypriot Helios Airways 39 reverse thruster 39 DFC# [002] 39 C 5Ms 39 Sensis Aerobahn 39 MSC HOA 39 electrocardiogram interpretations 39 Berlin Tegel 39 CFR #.# c 39 destruct command 39 Federal eRulemaking Portal 39 Federation Aeronautique Internationale FAI 39 GP# powered A# 39 CJ2 + 39 Slight Risk 39 Seaport Taxi fleet 39 Nigerian Airspace Management 39 AIS transponder 39 traffic controllers ATCs 39 weather.gov 39 Weather Advisories 39 Personal locator beacons 39 UK Airprox Board 39 mayday signal 39 NASDAQ Delisting 39 DBIDS 39 MARSEC 39 § #-#.# [001] 39 transoceanic flights 39 Airbus A# FFS 39 aging Nimrod MR2 39 Number Departs Arrives 39 American Eurocopter EC# 39 F/A-#E/F aircraft 39 B.2 39 Noon Classifieds & 39 meteorologist Leslie Wanek 39 DFDR 39 8I 39 Cockpit Door Surveillance 39 Distribution Declarations 39 AESA Radar 39 P 3C patrol 39 shall thereupon 39 UH #M Upgrade 39 Tim Monville 39 VH #A 39 Notices PCNs 39 nosewheel steering 39 Land Use Permit 39 Multirole 39 HF VHF UHF 39 Adurogboye 39 Fabasoft AG 39 shortwave frequencies 39 Carrier Airborne 39 Rule #B 39 Armavia 39 EGLIN AFB 38 WINTER STORM WARNING 38 Offerors shall 38 Training Devices FTDs 38 Bulletin des Annonces 38 Recapitalisation Proposal 38 Finncomm Airlines 38 ARINC Direct 38 Chetak helicopter 38 Mayday Mayday Mayday 38 Capitalised terms 38 Alexander Drobyshevsky 38 FS2Crew 38 OPDX Bulletin 38 PRO Assam Rifles 38 postflight 38 Instrument Rating 38 Flightglobal ACAS database 38 CFR #.# d 38 Continental ExpressJet 38 Director Terrence Slaybaugh 38 Supplemental Type 38 WEATHER ALERT 38 Beech #D aircraft 38 Coastal Flood Warning 38 Volcanic ash closes 38 Aircrew 38 Pilot Licence 38 Data Link TCDL 38 SACAA 38 CONUS 38 Annexures 38 LPV 38 FAR #.#-# [001] 38 Operating Procedures SOP 38 Super Etendard 38 Twin Comanche 38 Canceled Flights 38 authority DGAC 38 Supplementary Prospectus 38 MD #Fs 38 Hickam AFB Hawaii 38 Avro RJ 38 spokesman Ted Bushelman 38 Deicing 38 Statement FEIS 38 Geilenkirchen Germany 38 TORNADO WATCH 38 Proposed Rule Making NPRM 38 teleprinter 38 ATIS 38 R.# [001] 38 GoJet 38 airspeed readings 38 2D barcode scanner 38 9wsyr.com 38 Noise Abatement 38 Circulars 38 Scovronski 38 MH #R helicopters 38 Runway Awareness 38 electro-optical/infrared sensor 38 downlinking guidelines 38 Docket ID 38 HIGH WIND WARNING 38 Severe Thunderstorm 38 Full Flight Simulator 38 Air Demonstration Squadron 38 deicing equipment 38 CSMA CA 38 Wide Area Multilateration 38 AMF JTRS 38 Lt. Col. Andy Roake 38 Statement EIS 38 Freeze Warnings 38 Worker Adjustment Retraining 38 aerodromes 38 Galaxy 4R C 38 Guidance Document 38 USC #a [001] 38 Aerial Imagery 38 Application Forms 38 Agusta A# 38 Yucatec Maya language 38 Wonderboom Airport 38 Sosoliso Airlines 38 datalinks 38 RNLAF 38 IFRIC interpretations 38 #W# [003] 38 WSR #D 38 severe thunderstorm watch 38 antenna reflector 38 logbook entries 38 CJ1 + 38 www.newsweb.no 38 Flight Bag EFB 38 Bulletins 38 Organization Designation Authorization 38 pressurisation 38 unhandled exception 38 KC #J tanker 38 Keflavik Iceland 38 Erratum 38 NC1L QRZ DX 38 sterile cockpit 38 SDSs 38 Aviation Civile 38 Disorderly conduct citations 38 #/#s [004] 38 WAC #-#-# 38 Deficiency Notice 38 fasten seat belts 38 issuing mayday 38 F/A-#F 38 Neradko 38 Acceptance LOA 38 FAA certificated 38 Hercules C# 38 autopilot disengaged 38 Transport MRTT 38 megahertz frequency 38 Izvolsky 38 Computer Glitch Causes 38 SULT 38 Fleet F# 38 Battlefield Airborne 38 BAe #-# 38 Bulletin no. 38 Advisories 38 SwiftBroadband 38 sig alert 38 Phased Array 38 Vladimir Drik 38 Transport Pilot Licence 38 Common Alerting Protocol 38 Alison Duquette spokeswoman 38 Cockpit mix upAudio 38 Blahoski 38 JPALS 38 B# B# [002] 38 PASSUR Pulse 38 txt file 38 spokeswoman Krista Kealey 38 ANSPs 38 DC1 38 Glass Cockpit 38 Restated Declaration 38 JCAB 38 Brightly lit cockpit 38 FFSs 38 humidex advisory 38 Thunderstorm Warning 38 AH #D Longbow Apache 38 Ari Sapari 38 Alexander Alyoshin 38 Warden Message 38 Flash Flood Warnings 38 aicraft 38 #.#/# MHz 38 Pre Qualification Questionnaire 38 Federal Gazette Bundesanzeiger 38 spokesman Roland Herwig 38 FlightAware.com 38 Comment Guidelines 38 Sarsawa 38 airpower summary 38 pitot probes 38 ATR turbo prop 38 TORNADO WARNING 38 Bombardier CRJ#s 38 RTAF 38 Synthetic Vision 38 Pawan Hans helicopter 38 France flight AF# 38 Boeing #SP 38 Area Augmentation System 38 PVRM 38 #SP [002] 38 landing Seremet 38 crontab 38 manufacturer Empresa Brasileira 38 RAF Waddington 38 Bombardier CRJ# [001] 38 visit www.martinandosa.com 38 Fluorescent Lamp CCFL backlight 38 MC #P 38 Administrator Interpretation 38 Dyess AFB Texas 38 Secretary MM Nambiar 38 GAGAN 38 hereof shall 38 reverser 38 F/A-#D Hornet jet 38 pilots 38 WAAS enabled 38 AFCYBER 38 Oslo Gardermoen 38 DR #.#.#R 1 38 FAA Certifies 38 ExcelAire pilots 38 Global AirWorks 38 Violation NOV 38 Beechjet #A/XP 38 notifier 38 wake vortices 38 Appendix 3B Page 38 Definitive Proxy Statement Prospectus 38 TOFTs 38 BASE Ala. 38 aborted takeoffs 38 DATES Comments 38 Civil Aviation Authority 38 Original Bidder Statement 38 Centre VAAC 38 Phased array 38 § #-#-# [006] 38 Swaran Singh Talwar 38 ancillary terrestrial 38 Avinor