Radio Test transmissions should take the following form:

a) The identification of the station being called;
b) The aircraft call sign;
c) The words RADIO CHECK;
d) The frequency being used.

Replies to test transmissions should be as follows:

a) The identification of the station calling;
b) The identification of the station replying;
c) Information regarding the readability of the transmission.

Readability is the measuring of the ability of radio transmissions 
to be heard and understood.
The following scale is used to quantify readability:

Scale Pronounced Meaning 

1	Wun	Unreadable
2	Too	Readable now and then
3	Tree	Readable, but with difficulty
4	FOW-er	Readable
5	Fife	Perfectly Readable

Emergency locator transmitter

Under rule 91.529, a person must not operate a NZ Certificate of Registration aircraft without an ELT(AF) unless it is:

1. When the aircraft is ferried to a place where the automatic ELT(AF) is to be installed provided no passengers are  carried. 
2. When the aircraft is to be ferried from a place where ELT repairs or replacement cannot be made to a place where  they can be made provided no passengers are carried. 
3. For a period of seven days when the automatic ELT is inoperative, and a portable ELT is accessible to each person  on board the aircraft

This rule does not apply to the following aircraft:

1. An aircraft with no more than one seat if the pilot is equipped with an Emergency Locator Transmitter (Survival)  ELT(S) or Personal Locator Beacon (PLB).
2. A glider or microlight aircraft if at least one person carried in it is equipped with an ELT(S) or PLB.
3. A glider or powered aircraft, including a microlight aircraft, that is equipped with no more than two seats, if the glider or powered aircraft is operated not more than 10 nm from the aerodrome from which the glider or powered aircraft took off.
4. A manned free balloon.

(a) A person must not operate an aircraft without an ELT(AF) installed in
the aircraft except as provided in paragraphs (b), (d), and (e), rule
121.353(b), and rule 129.109.

(b) An aircraft may be operated without an ELT(AF) installed if:

(1) The operation is to ferry the aircraft from the place where the operator takes possession of the aircraft to a place where an ELT(AF) is to be installed; and

(2) the aircraft does not carry any passenger.

(c) Despite rule 91.501(4), an aircraft may be operated with an inoperative ELT(AF) if;

(3) The operation is to ferry the aircraft from a place where repairs or replacement of the ELT cannot be made to a place where the repairs or replacement can be made; and

(4) The aircraft does not carry any passenger.

(d) Despite rule 91.501(4) and paragraph (a), an aircraft may be operated without an operable ELT(AF) for a period of not more than 7 days if the aircraft is equipped with an ELT(S) or PLB that is accessible to any person on board the aircraft.

(e) Paragraph (a) does not apply to the following aircraft:

(1) An aircraft that is equipped with no more than 1 seat if the pilot is equipped with an ELT(S) or PLB:

(2) A glider or microlight aircraft if at least 1 person carried in the glider or microlight aircraft is equipped with an ELT(S) or PLB

(3) A glider, or powered aircraft, including a microlight aircraft, that is equipped with no more than 2 seats, if the glider or powered aircraft is operated not more than 10 nm from the aerodrome from which the glider or powered aircraft took off:

(4) A manned free balloon.

(f) A holder of a certificate of registration for a New Zealand registered aircraft that is equipped with an ELT(AF), or carries an ELT(S), EPIRB, or PLB that operates on 406 MHz must not operate the aircraft unless:

(1) For an ELT(AF) or ELT(S), the ELT is coded with the International Telecommunication Union (ITU) country code for New Zealand, and any of the following:

(i) The ELT serial number:
(ii) The 24-bit aircraft address:
(iii) The ICAO aircraft operating agency designator and a serial number allocated by the operator:
(iv) The aircraft nationality and registration marks; and

(2) For an EPIRB or PLB, the EPIRB or PLB is coded with
(i) The International Telecommunication Union (ITU) country code for New Zealand; and
(ii) a unique code to identify the EPIRB or PLB; and

(3) The holder of the certificate of registration has notified the Rescue Coordination Centre New Zealand of:
(i) The code, in accordance with paragraph (f)(1) or (f)(2), for each ELT, EPIRB, or PLB that is installed or carried in
the aircraft; and
(ii) The name and emergency contact details of the aircraft operator.

(g) A person must not operate a foreign aircraft in New Zealand that is equipped with or carries an ELT that operates on 406 MHz unless the ELT is coded with:

(1) The International Telecommunication Union (ITU) country code of the State of registry; and

(2) Any of the following:
(i) The ELT serial number
(ii) The 24-bit aircraft address
(iii) The ICAO aircraft operating agency designator and a serial number allocated by the operator
(iv) The aircraft nationality and registration marks.