ACP 135(f) Communications Instructions Distress and Rescue Procedures
To indicate distress a gun or other explosive fired at intervals spaced about how far apart can be used?
1 minute
Approximately how many nautical miles are GMDSS Area A2 Operational areas from shore based MF coast stations?
100-150
Which frequencies are continuously monitored by aeronautical stations for aircrafts in distress?
121.5 MHZ and/or 243 MHZ
What is the International Aeronautical Emergency Frequency?
121.5 MHz
Which frequency is for world-wide use when communicating with enroute aircraft participating in SAR operations?
123.1 MHz
What is the International Distress, Safety, and Calling frequency for the maritime mobile VHF radiotelephone service?
156.8 MHZ
Which frequency is for internal use by the maritime mobile VHF radio telephone service as a distress, safety and calling frequency?
156.8 MHz
Which year was the Global Maritime Distress and Safety System fully implemented?
1999
Approximately how many nautical miles are GMDSS Area A1 Operational areas from shore based VHF coast stations?
20-30
What is the International Distress frequency for voice?
2182 kHz
What are the two primary sinusoidal audio frequency tones transmitted alternatively in alarm signals used to warn operators that a distress call or message is to follow?
2200 Hz and 1300 Hz
What is the Distress and Emergency Frequency?
243.0 MHz
Any station that hears the Urgency signal must continue to listen for at least how many minutes?
3
How many times is the group of words PAN PAN transmitted in voice urgency signals?
3
How may times is MAYDAY spoken during a distress call?
3
How may times is SOS typed during a distress call using RATT/NDPB?
3
How many seconds is the alarm signal continuously sent to war operators that a distress call or message is to follow?
30-60
Which frequencies are used to supplement the carrier frequency 2182 kHz for DISTRESS and SAFETY purposes for call and reply?
4125 kHz and 6125 kHz
Which squawking code can be used to indicate distress on IFF mode 3/A?
7700
What is the minimum length that ground distress signals should be?
8 feet
Which prosing is used during a distress call using RATT/NDPB?
DE
Which paging technique is used to automate the initial call between two stations that operates on MF, HF, and VHF marine bands for distress, urgency, and safety alerting?
DSC
Urgency signals have priority over all other communications except for which other type?
Distress
What is the condition of being threatened by serious and/or imminent danger requiring immediate assistance defined as?
Distress
Which procedure comprise all the communications relating to the immediate assistance required by the mobile station in trouble?
Distress
Which type of traffic has absolute priority over all other transmissions?
Distress
Which system uses modern technology, including satellite and digital selective calling techniques on MF, HF, VHF bands, known as terrestrial systems, enabling a distress alert to be transmitted and received automatically over short and long distances?
GMDSS
ITU along with which other organization details Distress, Urgency and Safety procedures?
ICAO
Which organization administers the Global Maritime Distress and Safety System?
IMO
What is the International Emergency Distress Signal (SOS)?
MAYDAY
Which word when using voice does the distress signal contain?
MAYDAY
Which service is between coast stations and ship stations, or between ship stations, in which survival craft stations may also participate?
Maritime Mobile Service
The International Code signal of distress indicated by which code can be used to indicate distress?
NC
A smoke signal giving off a volume of which color smoke can be used to indicate distress?
Orange
What is the International Emergency Urgency Signal?
PAN PAN
Which signal indicates that the calling station has a very urgent message to transmit concerning the safety of a ship, aircraft, or other vehicle, and/or the safety of personnel?
PAN PAN
Which signal is used to impose silence either on all stations of the mobile service in the area or on any station which interferes with the distress traffic when using RATT/NDPB?
QRT SOS
Which prefix is used for call signs for assigned SAR aircraft?
RESCUE
What should a pilot make the aircraft do to acknowledge that a ground distress signal has been seen and understood?
Rock the wings
Which word is spoken three times and transmitted before the call in safety signals?
SECURATE
What is the International Emergency Safety Signal?
SECURITY
Which signal indicates that the station is about to transmit a message containing an important navigational or meteorological warning?
Safety
Which condition concerns the security of a ship, aircraft or other vehicle, or of some person on board or within sight, but which does not require immediate assistance?
Urgency
Which group of letters is transmitted over RATT three times in urgency signals?
XXX
For the purpose of announcing and identifying aircraft for medical transports, a transmission of the urgency signal shall be followed by which group of letters over RATT/NDPB?
YYY