Listen to various samples of HF/VHF ATC radiocommunications. All sound clips have been recorded and processed on "SB Wave Studio" sound editor for the best possible clarity and intelligibility.

Sample of data burst sent from aircraft down to the Ground Operational Centre at the rate of 2400 baud.

This SELCAL code of BPEH is assigned to the American Airlines's aircraft Airbus A300-600, registration N11060, serial number 0470. Transmitted from New York Oceanic Control Centre on FRQ 5649kHz.

Tokyo Volmet transmited on 13.385kHz at 0015Z uses synthetized voice for automated WX messages reading.

KLM691 PH-BUO B747-206B c/n 21840 selcal HJCG, AMS-YYZ on a final ILS approach to RWY 24R at Totonto Int'l Airport. Arrival FRQ 125.4, then by XRAY (NDB 385"X") switch to TWR FRQ 118.7

KLM692 YYZ-AMS (B 747) after take off from RWY 24L at Toronto Int'l Airport cleared to climb to the cruse FL. Routing for this flight was DIR Campbellford (VOR/DME YCF 113.5), join route J586, proceed to MIILS, then via NA33 (North American Route) to Coastal Fix COLOR and enter NAT "C". FRQ 127.0 is asigned to Toronto Low Altitude East Sector.

Aircraft approaching Hagerstown airport (VOR 109.8 HGR) in KIAD FIR. The pilot requests ATC for updated situation at airport. ATC controller has assignet to his ACFT transponder code 1200 and for landing clearence to contact TWR on FRQ 120.3

FirstAir 235 B727 Cargo from YOW to DAY, stop-by at YXU. In the Toronto West sector the ACFT descends to 12,000ft, alt. setting 30.05 INS, contact Toronto Center on 135.3.

Aircraft departing from Nashville Int'l Airport,TN (KBNA). Radar detected, maintain 15.000ft, turn left HDG 070.

Lufthansa 573 from CPT-JNB to FRA, B747-430 D-ABTD c/n 24715 selcal BLAE. The Cpt calls Tripoli RDO on FRQ 11300 for POSREP of SEB (VOR/DME Sebha,Libya), NXT GRT (Gheriat N30,23/E13,35)

Cairo Air Nav Centre calling Khartum ATC on FRQ 5517kHz to exchange flight data of en-route traffic. Distance Cairo - Kitchener (my QTH) 10.300 km

Iceland RDO on FRQ 11279 at 2110Z working Air France 373 (AFR273?) flying polar route. POSREP 89N/90W LARRY(?) LEMAR(?) 70N/101,1E 68,06N/105,8E 65,45N/105,5E TRM(?) FL330 M0.78 See Position Map

Air France 279 B747-428 F-GITE c/n 25601 selcal AFCR, from PPT to TYO flying G224 Pacific route. POSREP 157W, waypoint MASBU 157W/16,38S (my calculation) at time of entering Auckland FIR. Distance from my QTH to the acft's position has been 10.200 km.

New York Oceanic working Air France 090 CDG-MIA on FRQ 13306. POSREP 40N/40W 1616Z FL340 37N/50W 1720Z 34N/60W NXT O/T-48 350/40. Selcal code EKGJ assigned to B747 F-GCBB.

New York Oceanic working Air Europe 2909. POSREP HUBER(34,60N/70,00W) 0141 FL330 DENNO (30,31N/67,28N) 0149 FLANN NXT (38,20N/69,57W).

Gander Oceaic working Delta Airlines 128. POSREP ??N/40W 1442 50N/50W 1541 YQX NXT FOB 7,4. @50W contact Gander RDO on FRQ 122.37.

Lufthansa 581 from NBO to FRA, A310-300 calling Nairobi ATC on FRQ 5517 for POSREP NBO 2358 FL310 SML 0027 (Abu Simmel 20,21N/31,37E) BRN 0052 (Sidi Barrani 31,34N/26,00N). High Altitude chart shows routing of UA10 KTM W726.

Nairobi ATC working Martinair 003 AMS-NBO(?) Boeing 747. POSREP NBO 0232 FL330 DSC FL232 TSW(?) 0713

North West Airlines 932 calling SFO Oceanic for POSREP ??? 1244 FL340 ??? 1338 O/T-53 250/25 FOB 14,1 by LAX switch to VHF FRQ 132.15.

New Zealand Airlines 018 AKL-LAX-LHR requesting Oakland Oceanic to climb from FL330 to FL370.

Royal Airlines 771 calling Montreal RDO at 0630 for the weather update at Toronto Int'l Airport (CYYZ). Due to bad weather the airport that time was all day closed.

US Air 770 callling New York Oceanic for POSREP CADIL (47,44N/60,25W) 0141 FL370 EST CRABB (42,12N/65,45W) 0205 BDA NXT (32,21N/62,41W) FOB 34,5 contact BDA Center on VHF 128.5

If you've found something to correct or update, please send me e-mail to ptoth@lycos.com