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ATC-ASR-Dataset

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train · 6.5k rows

id stringlengths 20 20	audio audioduration (s) 0.33 15.3	text stringlengths 2 248
0023HAQRADETCJDF66RO		SIERRA DELTA MIKE
005S1QQUAXJEA93OY8R9		ONE TWO SEVEN ONE TWO FIVE GOOD BYE LUFTHANSA NINER ALPHA FOXTROT
008AJHCDF6MQ886KORNL		CSA ZERO TWO FIVE HEADING THREE ONE FIVE DESCEND FLIGHT LEVEL NINER ZERO
00VNAOK94F1OMDT7TFFG		TWINSTAR EIGHT EIGHT SEVEN DESCEND FOUR THOUSAND FEET CLEARED ILS APPROACH RUNWAY THREE ONE REPORT WHEN ESTABLISHED
01d7425638602ab696a4		ARE CLEARED TO LAND RUNWAY TWO FOUR CSA ONE DELTA ZULU
01DVVH6SD4H4ZX5BT8ZE		ONE TWO SEVEN ONE TWO FIVE CSA SEVEN
01JD1BJE9XOAWCUD3I2I		LUFTHANSA NINER ALPHA HOTEL CLIMB TO FLIGHT LEVEL THREE FOUR ZERO
02464QOE9UZX3Y6G0VFO		LUFTHANSA NINER JULIETT CHARLIE TRAFFIC INFORMATION HELICOPTER JUST LANDING ON HELIPORT
026TDOWW505BZBQSN5M6		RUNWAY ONE THREE HELLO AUSTRIAN SEVEN
029Y6U1GPZNFM2EO9Z28		PRESENT HEADING
02C7YPUA2SJ95KRKYN37		DESCENDING LEVEL SEVEN ZERO CSA SEVEN THREE TWO THREE
02G3YU6VK0UCC1M3O55I		LUFTHANSA ONE FOUR NINER TWO PRAHA GOOD EVENING RADAR CONTACT REPORT REQUESTED FLIGHT LEVEL
02GILABCC8CPRCEI8BQK		CSA NINER SEVEN SEVEN RUNWAY THREE ONE CLEARED TO LAND WIND ONE EIGHT ZERO DEGREES TWO KNOTS
033d2bce575aed2ca5c5		TANGO TWO ONE THREE TAXI TO PARKING IS APPROVED
03802b708d03c91e4f8d		HOTEL GOLF YANKEE WE APPRECIATE THE SHORTCUT
03c72ba8d605e7708a63		JUMP RUN EIGHT ZERO THREE VACATE TO THE LEFT TAXI CHARLIE ALPHA STAND WESTERN APRON
03DRK2X1RZ4KTFREIX71		GOOD AFTERNOON AIRFRANS ONE SEVEN EIGHT TWO RADAR RADAR CONTACT DESCEND FLIGHT LEVEL
03edd1f874f93d17e912		THANK YOU BREAK BREAK HOTEL GOLF OSCAR HELICOPTER ON YOUR RIGHT HAND SIDE WE WILL CROSS BEHIND YOU
03F0SN42ZPBYTXINV6C2		LINE UP RUNWAY ONE THREE
03KLTD3YG35A27CGLBVC		LUFTHANSA FIVE MIKE ECHO SORRY SAY AGAIN
03UYA2IZSJWP62YW26TR		ROGER LINE UP RUNWAY THREE ONE LINING UP THREE ONE LOT FIVE ROMEO
03ZB5GRO9X49TMY91OTK		DIRECT OSCAR KILO GOLF VICTOR DELTA XRAY
042DNMEPV0QR15SJFCCQ		CLIMBING FLIGHT LEVEL ONE SIX ZERO QUALITY NINER ONE ROMEO
04365KYWLSMRG6OKSI6I		DIRECT LAGAR THANK YOU SIERRA ALPHA ECHO
043Y8FXR6CI7F7NHWIC9		ONE HUNDRED
046a0df5cafda61372bb		NOVEMBER GOLF PAPA READ BACK CORRECT REPORT FOR TAXI
04N3ZOO5T1QCQ8MGCJYE		TOWER EIGHTEEN ONE CSA
04PG6KE7GRSJH4W3URO7		SEVEN ZERO THREE GOOD BYE
04Q3QTMAYMYWC94TWKC0		ONE THREE TWO
04S210U8ULV1J308IPUV		SEVEN FIVE EIGHT
04ZGN65OXAUZU9MW2WOT		STANDBY
05000bc6b20dcb6ef231		SAY AGAIN CAN YOU THREE BY FIVE HELI HOTEL YANKEE
050UI22KX7N89LTAJW25		LEVEL THREE SEVEN ZERO APPROACHING TOMTI
050WQB10D08UT5SRJETL		DESCEND FLIGHT LEVEL SEVEN ZERO SEVEN ZERO TWO SIX NINER SIX ZERO
0534a1018ddce71981f3		CONNIE EIGHT THREE FIVE COPY
055X8NOH4TV4P53AJFM9		CSA EIGHT MIKE THREE RUNWAY THREE ONE CLEARED TO LAND WIND ONE SEVEN ZERO DEGREES THREE KNOTS
059dd55d4b943e30b303		HELI LIMA JULIETT JOIN MID LEFT HELI CIRCUIT THREE TWO LAND AT OWN DISCRETION SWISS HELICOPTER WIND ZERO FOUR ZERO DEGREES ONE ZERO KNOTS
05K1ED7U2VYPLUWEX1WD		HOLD THE HOLDING POINT AND WE
05N9HCZDQ3W6BDJ7H7RE		ONE THREE THREE THREE NINER ZERO THREE ONE TWO CHARLIE BYE BYE
05SEE5DFXYBS775HL3RP		HELLO CHANNEX EIGHT SEVEN PAPA ROMEO RUZYNE TOWER CONTINUE APPROACH
05SXMOXJCBX92O1RVMI1		ONE THREE ONE ZERO FIVE FIVE MIKE ALPHA KILO THANKS BYE BYE
05Z0W809IKAX11M5YDEA		LUFTHANSA FIVE MIKE ECHO DESCEND FLIGHT LEVEL SIX ZERO
068AXP0UO7RV87ZMYP2C		TWO FIVE THREE EIGHT
06a241af1d0af7f7f5e4		JETSTAR SEVEN SIX ONE WIND IS CALM RUNWAY ONE SIX RIGHT CLEARED TO LAND
06AXU5H2JW3A2YLSXDV2		CSA FIVE DELTA ROMEO RUNWAY ONE THREE CLEARED TO LAND WIND ZERO EIGHT ZERO DEGREES
06C7WPPAFJ24NSOKAF2D		EXPECT TWO HOLDINGS
06GKABCZLZM7ODTLK87N		PRAGUE RADAR GOOD AFTERNOON CHARLIE INDIA GOLF ONE SIX FOUR TWO CLIMBING LEVEL TWO EIGHT ZERO INBOUND OSCAR KILO GOLF
06XE3N52IID7RUTF966D		DOWN FLIGHT LEVEL ONE ZERO ZERO SKYTRAVEL ONE ZERO THREE FIVE
070VK32RGWHGXMD7QCQ3		QATARI THREE ZERO SIX FOUR HELLO PRAHA RADAR CONTACT CLIMB FLIGHT LEVEL THREE THREE ZERO
0769165fe746ccb94ca9		HOTEL ECHO LIMA AFFIRM REMAIN ON MY FREQUENCY YOU ARE STILL WITHIN THE TMA
076B9KS1G4KT089LW8BA		CLIMB FLIGHT LEVEL ONE
077NXDT7U6CLGVJIMX5H		CSA NINER THREE ZERO CLIMB FLIGHT LEVEL ONE SIX
07f8d4f0f3ea018428f4		ONE SIX RIGHT CLEARED TO LAND AND UNDERSTOOD QANTAS FOUR NINETY EIGHT
07JBJJMW50AIO22J1V4O		NOT YET
07NKWX86Y4IYT1R9GGSP		PRAHA LUFTHANSA EIGHT VICTOR LIMA SAY AGAIN
07Y0QNBEWQ73F3VEUD9L		HELLO LUFTHANSA SEVEN EIGHT SEVEN PRAHA RADAR RADAR CONTACT CLIMB FLIGHT LEVEL ONE TWO ZERO CLIMBING FLIGHT LEVEL ONE TWO ZERO LUFTHANSA SEVEN EIGHT SEVEN
080aadfbe7c99b261141		OKAY COPY THANK YOU
085b15fb4a8ff810784c		HOTEL GOLF BRAVO IS ECHO TWO AT THREE THOUSAND THREE HUNDRED FEET
08DCNK4OWD14R4UT6F1X		CSA SEVEN SEVEN THREE AND HIGHER SPEED APPROVED
08JYHLIOIQ83EES1Y1BW		CLEARED TO LAND RUNWAY ONE THREE CSA FIVE MIKE BRAVO
08LIUQDN05XT54FN5G77		ONE TWO FIVE
08Q6HKETP4X3OKV9F2RY		CLIMBING LEVEL ONE SIX ZERO LOT FIVE TWO EIGHT
08XA8F084CVNO5Q5L56K		LINE UP RUNWAY
0913REYSD2NK6T27QGJP		CIMBER THREE FIVE TWO SEVEN LEFT TURN HEADING ONE FOUR ZERO CLEARED FOR ILS APPROACH RUNWAY ONE THREE
093923de8babce3b2628		HOTEL ECHO XRAY FINAL TWO FIVE FOR TOUCH AND GO
093FL0ELLCQSUGABIMI0		ISRAEL TWO FIVE TWO PRAHA GOOD EVENING RADAR CONTACT
095ffa8140d92bce7930		JETSTAR SEVEN SIXTY SEVEN SYDNEY TOWER
0964fbbf8cd321b0c2b0		NOVEMBER MIKE ALPHA VECTORING FOR A SHORT APPROACH TURN LEFT HEADING TWO FOUR ZERO
0986bbebf23e323d0b9b		HOTEL HOTEL OSCAR
09a0a0f673b0a0917634		HOTEL OSCAR ECHO THE SECOND TRAFFIC IS NOW TO OVERHEAD WHISKEY ONE OPOSITE
09cb394243f59a85fbc9		HOTEL ECHO XRAY WIND TWO SIX ZERO DEGREES ONE ZERO KNOTS RUNWAY TWO FIVE CLEARED TO LAND
09HKD6K7RMNZSYHRIPVT		THREE FOUR DECIMAL FIVE
09K3SAPG2U0Y44091ZH1		EL AL FIVE TWO TWO GOOD EVENING RADAR RADAR CONTACT
09LZRK79UFU6PY06FTLO		CHANNEX SIX SIX HUNDRED PRAHA HELLO RADAR CONTACT DESCEND TO FLIGHT LEVEL THREE FOUR ZERO
09QJ8IK2C1S90NX727OY		AUSTRIAN SEVEN ZERO SEVEN PAPA REDUCE SPEED TWO ZERO ZERO
09R06TT466OZAHCPR18D		GOOD DAY AUSTRIAN SEVEN ZERO FOUR PRAHA RADAR RADAR CONTACT CLIMB FLIGHT LEVEL ONE FOUR ZERO HIGH SPEED APPROVED
0a0537f02c2cd22ba568		QNH ONE ZERO ONE EIGHT AFTER KEEP THE PROCEEDING TO VICTOR
0ab54bde20a045026e06		HOTEL ECHO XRAY FINAL TWO FIVE FOR TOUCH AND GO
0ABG1743JHPYLPJ5NGJW		LAND ONE THREE LOT FIVE TWO FIVE
0AKII80N2QDPQF3IO61H		PRAHA GOOD AFTERNOON LUFTHANSA SEVEN ONE FIVE HEAVY AT LEVEL THREE FOUR ZERO
0AN5SDH22VGTG3ZLWHIG		RUZYNE TOWER HELLO BRIT AIR NINER ZERO
0AXTDM7DG5PZQ7NNMJXN		CSA EIGHT ZERO THREE REDUCE AS YOU NEED AND DESCEND TO FLIGHT LEVEL ONE SIX ZERO
0b251279785ac5d0df92		CHINA SOUTHERN THREE TWENTY SIX CONTACT DEPARTURE
0B3M19QT3HONL1Z39E7R		OPERA JET THREE ZERO ZERO LINE UP RUNWAY ONE THREE
0ba6eab94639447b2067		HOTEL BRAVO KILO ECHO XRAY EXERCISES IS APPROVED
0BANAE2APZL90K3RF76P		TWO EIGHT ZERO
0bd4a9900640be0f25b8		RUNWAY TWO FIVE CLEARED TO LAND NINER JULIETT LIMA
0BGW6Y3CX99Q75TJVEWQ		DESCENDING FLIGHT LEVEL EIGHT ZERO CSA FIVE FOUR FIVE
0BL31JEWMGB4M3LGTHOP		THREE EIGHT PAPA GOLF BYE
0BVJ0VNGPVIXQHITTZAL		SWISS FOUR
0BX89DMP79AWAWDKL620		OSCAR SIERRA JULIETT DESCEND FLIGHT LEVEL SEVEN ZERO
0c3ce284c7e53bbbdcb5		ROGER CLEARED TO LAND RUNWAY THREE FOUR LEFT EXIT ON THE HIGH SPEED ON RIGHT
0cbd3c039e2aa4acc122		OSCAR ECHO INDIA TANGO HOTEL TOWER ON TAXIWAY KILO CROSS RUNWAY TWO EIGHT CONTACT APRON ONE TWO ONE DECIMAL SEVEN FIVE FIVE BYE BYE
0cf2b69b0577aea9f899		FREQUENCY CHANGE APPROVED BYE BYE HAVE A NICE EVENING HOTEL QUEBEC MIKE
0CMPCBHBXFLOUW91TVV9		SEVEN ZERO NINER
0d557b618a175dfebfc0		CROSSING TO LANDING FIVE TWO TWO FIVE LANDING ON DISCRETION HELI CHARLIE ZULU
0d67d38e990f0c5badcc		BAIR SEVEN ONE TWO TAXI VIA DELTA LINE UP RUNWAY ZERO FOUR
0de051a669ca97d27644		BERN APPROACH HOTEL BRAVO KILO BRAVO VICTOR
0DQHJ4FL40VXT83EXHUZ		CONTRACT TWO ROMEO GOLF CONTINUE PRESENT HEADING VECTORS ILS RUNWAY THREE ONE
0DRPIGMWC52INM9PJ8GE		CSA EIGHT MIKE THREE PROCEED DIRECT TO PAPA ROMEO NINER ZERO SIX

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ATC ASR Dataset

ATC ASR Dataset is a high-quality, fine-tuning-ready speech recognition dataset constructed from two real-world Air Traffic Control (ATC) corpora: the UWB ATC Corpus and the ATCO2 1-Hour Test Subset.

The dataset consists of cleanly segmented audio + transcript pairs at the utterance level, specifically curated for Automatic Speech Recognition (ASR) training and fine-tuning in the ATC domain.

This dataset includes:

Audio files (.wav, 16kHz mono) of individual ATC utterances
Transcripts (.txt) aligned with each audio file
Training, validation, and test splits

Use Cases

This dataset is ideal for:

Training ASR models specialized in aviation communication
Benchmarking domain-adapted speech recognition systems
Studying accented and noisy English in operational ATC environments

Source Datasets

This dataset combines data from:

UWB ATC Corpus - ATC speech and corresponding transcripts recorded over Czech airspace, featuring heavily accented English.
ATCO2 1-Hour Test Subset - A publicly released evaluation slice from the larger ATCO2 corpus, featuring diverse ATC environments, speaker accents, and acoustic conditions.

Cleaning & Preprocessing

The raw corpora were normalized and cleaned using custom Python scripts. Key steps included:

Segmenting long audio files into utterance-level clips using timestamps
Uppercasing all transcripts for uniformity
Converting digits to words (e.g., 3 5 0 → THREE FIVE ZERO)
Expanding letters to phonetic alphabet equivalents (e.g., N → NOVEMBER)
Removing non-English, unintelligible, or corrupted segments
Normalizing diacritics and fixing broken Unicode characters
Manual filtering of misaligned or low-quality samples

Reproducibility

All preprocessing scripts and data creation pipelines are publicly available in the companion GitHub repository:

ATC ASR Dataset Preparation Toolkit (GitHub)

This includes:

Scripts to process raw UWB, ATCO2, and ATCC datasets
Tools for combining, splitting, and augmenting data
Upload scripts for Hugging Face dataset integration

References

Citation

If you use this dataset, please cite the original UWB and ATCO2 corpora where appropriate. For data processing methodology and code, reference the ATC ASR Dataset Preparation Toolkit.

Mentioning or linking to this Hugging Face dataset page helps support transparency and future development of open ATC ASR resources.