Download the PDF consolidation of Part 91 [PDF 772 KB]

In this appendix:


Instruments and equipment required by Subpart F must meet the following specifications and requirements:

A.1 Markings and placards

(a) A marking or placard that is required to be displayed on or in an aircraft must be displayed in a conspicuous place and in such a manner to minimise the risk of erasure, disfigurement, obscuring, or removal.

(b) Each unit of measure used on a marking or placard must be the same as that on any related instrument or in the related flight manual.

A.2 Fuel and oil markings

(a) Fuel contents gauge. Each fuel contents gauge calibrated in US gallons must be clearly marked to show that the calibration is in US gallons.

(b) Fuel and oil placards. Each aircraft must be placarded in the immediate vicinity of each fuel and oil filler with the specification and/or grade of fuel or oil as appropriate.

A.3 Seating

A seat and berth must meet the requirements of TSO C25, TSO C39, or TSO C127 as applicable.

A.4 Restraints

(a) Each safety belt must—

(1) meet the requirements of—

(i) TSO C22; or

(ii) ISO/FIA 8853; or

(iii) FIA 8854; or

(iv) for ex-military aircraft, a military drawing and order number or any other appropriate military designation or specification number; or

(2) be proof loaded to 50% of the rated strength required by those standards every 12 months if the identification labels required by the standards in paragraph (a)(1) are missing.

(b) A torso restraint—

(1) must meet the requirements of—

(i) TSO C114; or

(ii) for ex-military aircraft, a military drawing and order number or any other appropriate military designation or specification number.

(c) If a shoulder harness is fitted with an inertia reel, the inertia reel must meet the requirements of US Military Specification MIL-R-8236.

A.5 Child restraint systems

A child restraint system must—

(1) be secured to the aircraft seat or berth by a safety belt meeting the requirements of TSO C22; and

(2) not be fitted with a tether strap that secures the top of the infant or child seat; and

(3) meet the requirements of—

(i) TSO C100; or

(ii) New Zealand Standard 5411; or

(iii) Australia / New Zealand Standard AS/NZS/1754; or

(iv) United States Standard FMVSS 213; or

(v) European Standard ECE 44.

A.6 Aircraft lights

(a) An aircraft anti-collision light system must comprise—

(1) a red rotating beacon; or

(2) an aviation red or aviation white capacitor discharge light that meets the requirements of—

(i) TSO C96; or

(ii) the minimum standards of the applicable aircraft design; or

(iii) another standard acceptable to the Director.

(b) For an aircraft that was first issued with a type certificate before 11 August 1971, the anti-collision light system must meet the requirements of FAR Part 23, 25, 27, or 29 as applicable, except that the colour may be either aviation red or aviation white.

(c) Aircraft position lights must—

(1) meet the requirements of TSO C30; and

(2) consist of—

(i) an unobstructed steady red light projected above and below the horizontal plane through an angle from dead ahead to 110 degrees left; and

(ii) an unobstructed steady green light projected above and below the horizontal plane through an angle from dead ahead to 110 degrees right; and

(iii) an unobstructed steady white light projected above and below the horizontal plane rearward through an angle of 140 degrees equally distributed on the left and right sides.

A.7 Aircraft time-in-service recorders

An aircraft time-in-service recorder must meet the requirements of NZTSO 2001.

A.8 Pressure altimeters

(a) For pressurised aircraft to be operated at altitudes above 25 000 feet, each sensitive pressure altimeter must—

(1) for a MCTOW not exceeding 5700 kg, be—

(i) a counter/pointer or drum pointer altimeter at the normal pilot-in-command position; and

(ii) a counter/pointer, drum pointer, or three pointer altimeter at other crew stations; or

(2) for a MCTOW exceeding 5700 kg, be—

(i) a counter/pointer type at the normal pilot-in-command position; and

(ii) either a counter/pointer or drum/pointer type at other crew stations.

(b) For aircraft to be operated IFR at altitudes not above 25 000 feet, each sensitive pressure altimeter must be counter/pointer, drum/pointer, or three pointer type.

(c) Each three pointer altimeter must have a striped low altitude warning sector that is fully displayed at all altitudes up to 10 000 ft and progressively withdrawn above that altitude and either—

(1) a 10 000 ft pointer that cannot be obscured by any other pointers; or

(2) a concentric track indicating 10 000 ft intervals; or

(3) a combination of paragraphs (1) and (2).

(d) Each sensitive pressure altimeter must—

(1) meet the requirements of—

(i) TSO C10; or

(ii) British Standards G115, G201, or G226; or

(2) be adjustable for barometric pressure in hectoPascals or millibars and be presented so as to enable altitudes to be easily read to within 20 ft.

(e) Aircraft not required to be fitted with a sensitive pressure altimeter must be fitted with an altimeter calibrated in increments of not more than 200 ft.

A.9 Communication and navigation equipment

(a) Except as provided in paragraph (c), radio communication and navigation equipment must meet the requirements of—

(1) for Level 1—

(i) communication equipment, one of the following TSO as applicable: C31, C32, C37, C38, or C50; or

(ii) navigation equipment, one of the following TSO as applicable: C34, C35, C36, C40, C41, C60, C94, or C129; or

(iii) United Kingdom Civil Aviation Authority approval for Category WR, VC, or LA Class I; or

(iv) Australian Airborne Radio Navigation Publication No. 50 (Pub 50) Class I; or

(2) for Level 2—

(i) United Kingdom Civil Aviation Authority approval for Category LA Class II; or

(ii) Pub 50 V or L; or

(3) for Level 3, United Kingdom Civil Aviation Authority approval for Category LA Class III or Category G; or

(4) for Level 4—

(i) the requirements of the Radiocommunications Regulations 2001; and

(ii) compass safe distances determined in accordance with British Standard 3G,100: Part 2, Section 2.

(b) If two independent radio communication systems are required—

(1) each system must have an independent antenna; or

(2) the two systems may use a single rigidly supported non-wire antenna.

(c) The following equipment may be used to meet the radio communication equipment requirements for operations in gliders, amateur built aircraft, and microlight aircraft, if the equipment installation conforms to acceptable technical data, and the transceiver is connected to a quarterwave antenna permanently mounted on the aircraft—

(1) equipment listed in United Kingdom Civil Aviation Authority approval for Category G(a); or

(2) any other equipment shown by a test programme and accepted by the Director as capable of meeting the applicable requirements of the United Kingdom Civil Aviation Authority approval referred to in paragraph(c)(1).

A.10 MNPS and VSM equipment

Navigation systems and equipment installed for operation in MNPS or VSM airspace must—

(1) meet the performance requirements of ICAO Regional Supplementary Procedures Doc 7030 applicable to the airspace and routes being flown; and

(2) Reserved

(3) meet the equipment and functional requirements—

(i) Reserved

(ii) for operation in airspace designated with a VSM of 1000 feet above flight level 290, contained in the ICAO Manual on Implementation of a 300m (1000ft) Vertical Separation Minimum Between FL 290 and FL 410 Inclusive Doc 9574.

A.11 Category II and III equipment

(a) ILS localiser and glide slope equipment must meet the requirements of Radio Technical Commission for Aeronautics (RTCA) document number DO-195 for ILS localiser equipment and DO-192 for ILS glide slope equipment.

(b) A flight control guidance system must meet the performance requirements of an evaluation programme.

(c) A radio altimeter must—

(1) display to the flight crew the wheel height of the main landing gear above the terrain to an accuracy of plus or minus 5 feet or 5%, whichever is greater, when the—

(i) pitch angle is plus or minus 5 degrees about the mean approach attitude; and

(ii) roll angle is 20 degrees in either direction; and

(iii) forward velocity is between the minimum approach speed and 200 knots; and

(iv) sink rate is not greater than 15 feet per second at altitudes from 100 feet to 200 feet; and

(v) over level ground track actual altitude without significant lag or oscillation; and

(2) when the aircraft is below 200 feet altitude and a change in terrain representing 10% of the aircraft’s altitude occurs,—

(i) not unlock; and

(ii) have its display respond within 0.1 seconds; and

(iii) if the radar altimeter unlocks, re-acquire the signal in less than 1 second; and

(3) if using a push to test feature, test the entire system at a simulated altitude of less than 500 feet; and

(4) incorporate a positive failure warning any time there is a power loss or absence of ground return signals within the desired range of operating altitudes.

(d) Other required instruments and equipment must be capable of performing the necessary Category II or III operations as listed in the operator’s precision approach procedure manual required by rule 91.417.

A.12 First aid kits

Each first aid kit must—

(1) be placed in a container that—

(i) minimises the risk of theft or deterioration of the contents; and

(ii) ensures that any theft may be readily detected; and

(2) be located and secured in such a manner that—

(i) the possibility of damage or loss as the result of an accident is minimised; and

(ii) there is no danger to the occupants of the aircraft; and

(3) have its location marked—

(i) on the outside of any compartment containing the kit; and

(ii) for aircraft that do not exceed 5700 kg MCTOW, on the outside of the aircraft; and

(4) when containing narcotics, be installed in an aircraft—

(i) in accordance with regulation 28 of the Misuse of Drugs Regulations 1977; and

(ii) that when not in use can be locked, or placed in a lockable hangar, or have the first aid kit containing narcotics removed to a safe and secure location.

Liferafts are considered to be safe and secure locations for the storage of first aid kits containing narcotics.

A.13 Fire extinguishers

Each fire extinguisher must—

(1) be installed and secured in such a manner that it will not interfere with the safe operation of the aircraft or adversely affect the safety of crew or passengers; and

(2) subject to subparagraph (4), be of a type and quantity of extinguishing agent suitable for the kinds of fires likely to occur in the compartment where the fire extinguisher is intended to be used; and

(3) minimise the hazards of toxic gas concentrations; and

(4) contain as an extinguishing agent only—

(i) bromochlorodifluoromethane (halon 1211); or

(ii) bromotrifluoromethane (halon 1301); or

(iii) carbon dioxide; or

(iv) dry powder; or

(v) another agent that provides an equivalent extinguishing action.

A.14 Emergency equipment

(a) A life preserver must be equipped with a survival locator light.

(b) A life preserver must meet the requirements of—

(1) for inflatable life preservers—

(i) TSO C13; or

(ii) European Norm EN 396; or

(iii) New Zealand Standard NZ 5823; and

(2) for constant wear anti-exposure coveralls, US Coastguard Type V PFD.

(c) A life-raft must meet the requirements of TSO C70 and contain a survival kit.

(d) The survival kit required in paragraph (c) must include—

(1) a canopy; and

(2) a radar reflector or a flare kit; and

(3) a life-raft repair kit; and

(4) a bailing bucket; and

(5) a signalling mirror; and

(6) a whistle; and

(7) a raft knife; and

(8) a compressed gas bottle for emergency inflation; and

(9) an inflation pump; and

(10) a 25 m retaining line; and

(11) a magnetic compass; and

(12) a dye marker; and

(13) a flashlight having at least 2 ‘D’ cells or equivalent; and

(14) a fishing kit; and

(15) 2 oars or 2 glove paddles; and

(16) a 2 day supply of food rations supplying at least 1000 calories per day for every person that the raft is rated to carry; and

(17) 1200 mls of water for every 2 persons that the raft is rated to carry, or 1 sea water desalting kit; and

(18) a first aid kit suitable for treatment of minor injuries; and

(19) a book on survival appropriate for the area over which the aircraft is operated; and

(20) a sea anchor; and

(21) a water collection bag or cups.

(e) A survival locator light must meet the requirements of TSO C85.

A.15 Emergency locator transmitters

(a) An ELT(S) must—

(1) be TSO-C126 certified; and

(2) transmit on both frequencies of 406 MHz and 121.5 MHz.

(b) Reserved

(c) An EPIRB must—

(1) meet the requirements of Australian/New Zealand Standard AS/NZ 4280.1; and

(2) transmit on both frequencies of 406 MHz and 121.5 MHz.

(d) An ELT(S) and EPIRB must—

(1) be self-buoyant; and

(2) be water resistant; and

(3) be portable.

(e) A PLB must operate on both frequencies of 406 MHz and 121.5 MHz, and must—

(1) meet the requirements of Australian/New Zealand Standard AS/NZS 4280.2; or

(2) be COSPAS-SARSAT type approved.

(f) An ELT(S) must be stowed in the aircraft in a manner that allows it to be readily available to any person on the aircraft in the event of an emergency.

A.16 Oxygen

Oxygen used in aircraft must be of Aviation Oxygen Standard which is gaseous oxygen with a minimum purity of 99%, maximum moisture of 0.0056 grams per cubic metre, and nil carbon monoxide.

A.17 Passenger oxygen masks

Each passenger oxygen mask must meet the requirements of TSO C64.

A.18 Crew member on-demand oxygen masks

(a) Each crew member on-demand oxygen mask must meet the requirements of TSO C78.

(b) Each on-demand oxygen mask for flight crew members must, without causing undue delay in proceeding with emergency duties, be—

(1) capable of being placed on the face with one hand from the stowed position; and

(2) properly secured, sealed, and capable of supplying oxygen upon demand within five seconds; and

(3) able to provide for—

(i) the use of corrective eyeglasses without undue impairment of vision or loss of protection; and

(ii) communication by interphone with each flight crew member while in their normally seated position; and

(iii) communication between each of two flight crew member stations and at least one crew member station in each passenger compartment.

A.19 Oxygen equipment

(a) Flight crew member oxygen equipment must provide an oxygen flow rate—

(1) for continuous flow equipment, that is the greater of—

(i) 2 litres per minute STPD; or

(ii) that required to maintain a MTOPP of 149 mm Hg when breathing 15 litres per minute BTPS with a tidal volume of 700 millilitres; and

(2) for on-demand equipment—

(i) for flights up to 35 000 feet AMSL, not less than that required to maintain a MTOPP of 122 mm Hg; and

(ii) for flights above 35 000 feet AMSL, not less than 20 litres per minute BTPS; and

(iii) for flights above 41 000 feet AMSL, that progressively increases until not less than 15 mm Hg above ambient pressure and 30 litres per minute BTPS is achieved at 45 000 feet AMSL; and

(3) for protective equipment, of 30 litres per minute BTPD at a pressure altitude of 8 000 feet AMSL.

(b) Crew member and passenger oxygen equipment must provide an oxygen flow rate—

(1) for flights from 10 000 feet to 18 500 feet AMSL, not less than that required to maintain a MTOPP of 100 mm Hg when breathing 15 litres per minute BTPS with a tidal volume of 700 millilitres; and

(2) for flights from 18 500 feet to 40 000 feet AMSL, not less than that required to maintain a MTOPP of 83.8 mm Hg when breathing 30 litres per minute BTPS with a tidal volume of 1100 millilitres; and

(3) for flights from 40 000 feet to 45 000 feet AMSL, not less than that required to maintain a MTOPP of 55 mm Hg when breathing 30 litres per minute BTPS with a tidal volume of 1100 millilitres.

(c) Portable oxygen equipment must provide an oxygen flow rate of not less than—

(1) 2 litres per minute STPD on a low setting; and

(2) 4 litres per minute STPD on a high setting.

(d) On-demand oxygen regulators must meet the requirements of TSO C89.

A.20 Protective breathing equipment

Protective breathing equipment must—

(1) meet the requirements of TSO C99; and

(2) protect users from the effects of—

(i) smoke; or

(ii) carbon dioxide; or

(iii) other harmful gases; or

(iv) an oxygen deficient environment caused by other than aeroplane depressurisation.

A.21 Crew member portable protective breathing equipment

(a) Except as provided in paragraph (b), crew member portable protective breathing equipment must meet the requirements of TSO C116.

(b) Crew member portable protective breathing equipment may consist of a portable oxygen supply connected to protective breathing equipment that allows unrestricted performance of crew member duties.

A.22 Transponder equipment

Each SSR transponder must meet─

(1) the requirements of TSO C74c; or

(2) for Mode S capable equipment, the appropriate class of TSO C112.

A.23 Altitude encoder equipment

Each altitude encoder must meet the requirements of TSO C88.

A.24 Altitude alerting system or device

For operation below 3000 feet AGL, the altitude alerting system or device need only provide one signal, either visual or aural.

A.25 Parachute assembly for emergency use

A parachute assembly for emergency use must meet the requirements of—

(1) an applicable type certificate; or

(2) TSO C23; or

(3) a military drawing and order number or any other military designation or specification number; or

(4) LTF 35/03; or

(5) European Norm EN 12491; or

(6) AFNOR and DHV standards.

A.26 Glider tow lines

A Glider tow line must—

(1) except as provided in paragraph (2), have a breaking strength of not less than 80% or more than 200% of the MCTOW of the glider to be towed; and

(2) if the tow line used has a breaking strength of more than 200% of the MCTOW of the glider to be towed, have a safety link installed at the point of attachment to—

(i) the glider with a breaking strength of not less than 80% of the glider’s MCTOW but not more than twice the glider’s MCTOW; and

(ii) the aircraft with a breaking strength of at least 100% of the glider’s MCTOW but not more than twice the glider’s MCTOW.

 

Subpart J