| ICAO 3-Letter Designator: |
HLY |
|---|---|
| Call Sign: (Telephony) |
WHISPER |
| Aircraft Company: | HELI AIR LTD |
| Country of Origin: |
UNITED KINGDOM
|
| Previous Call Sign: | HLW - HELIWORKS |
| Next Call Sign: | HMB - HUMMINGBIRD |