Military aircraft equipment

Through research, production and maintenance services, the company offers safe and reliable solutions, with over 40 years of experience in supporting national defense.

AEROFINA develops NATO-compliant military equipment – on-board systems, catapult seats, launchers and ammunition – supporting the modernization of aviation and combat equipment in Romania.

TRIAXIAL ACCELEROMETER

The product is part of the category of transducers that equip the IAR-99SM aircraft in its various versions and ensures the measurement of linear accelerations on the three axes of the aircraft and is part of the SAIMS-Ro99SM dedicated transducer kit.

Physical characteristics:

Length: max. 68 mm;
Width: max. 53 mm;
Height: max. 86 mm;
Mass: max. 0,4 kg.
Input: Nominal supply voltage: (28 ± 0.1) Vdc; Operating voltage range: (18 ÷ 32) Vdc; Nominal supply current: max. 0.1 A; Acceleration measurement range: For X and Y axes: ±1.5g, For Z axis: ±10g
Output: Output voltage for X and Y axis: [1000, 9000] mV for accelerations [-1.5, +1.5] g; Output voltage for Z axis: [1266, 8467] mV for accelerations [-3.5, +10] g;
Operating conditions: Operating temperature range: -55oC ÷ + 70oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max. 10 g; Mechanical shocks: max. 20 g.

DIMMER ADAPTER

The product is part of the category of electronic equipment in the configuration of the signaling and lighting system of the IAR 99 SM aircraft and ensures the adjustment of the light intensity of the signaling and lighting of the aircraft cabins.

Physical characteristics:

Length: 123 mm;
Height: 84 mm;
Width: 54 mm;
Mass: max 0,7 kg.
Input: Nominal supply voltage: 28 Vdc; Operating voltage range: (18 ÷ 32) Vdc; Current consumed in no-load mode: max 0.5 A; Current consumed with resistive loads connected: max. 9 A PWM signal (pulse width modulation) with amplitude 28 V, duty cycle (0 ÷ 100) % and frequency 400 Hz.;
Outut: AC lighting adjustment; PWM lighting adjustment (+); PWM lighting adjustment (-); BIT information (Built-in-test).
Operating conditions: Operating temperature range: -40oC ÷ + 55oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max 4 g; Mechanical shocks: max 4 g.

RADIO TELEPHONE AMPLIFIER

The product is part of the communication equipment category that equips the IAR 330 PUMA helicopter and is intended to amplify audio signals from the crew microphones and transmit them to the crew headphones. The product replaces the AM-228-A Auxiliary Amplifier, without modifying its mechanical and electrical interfaces with the helicopter.

Physical characteristics:

Length: max. 180 mm;
Width: max. 100 mm;
Height: max. 40 mm;
Mass: max. 0,8 kg.
Input: Nominal voltage: (28 ±0.1) Vdc; Operating voltage range: (18÷32) Vdc; No-load supply current: max. 100 mA; Load supply current: max. 400 mA; Microphone signal with frequency 1KHz, sinusoidal; Nominal voltage 0.4 mVRMS for microphone with impedance 5 Ω; Nominal voltage 1.5 mVRMS for microphone with impedance 75 Ω; INTERCOM signal for frequency 1KHz sinusoidal, nominal voltage (0.8 ± 0.3) VRMS; EC CALL audio signal for frequency 1KHz, sinusoidal, nominal voltage 11 VRMS; EC TB audio signal for frequency 1KHz, sinusoidal, nominal voltage 11 VRMS; ALT TB command signal: air/GND;
Output: Adjustable pre-amplified MIC TB microphone signal, nominal sinusoidal voltage (0.8 ± 0.3) VRMS at a frequency of 1KHz;
Adjustable headset signal: Nominal sinusoidal voltage in INTERCOM mode, (1 ± 0.3) VRMS for 8 Ω headset, frequency 1KHz; Nominal sinusoidal voltage in INTERCOM mode, (5.5 ± 0.9) VRMS for 600 Ω headset, frequency 1KHz; Nominal sinusoidal voltage in EC TB mode, (1.7 ± 0.9) VRMS for 8 Ω headset, frequency 1KHz; Nominal sinusoidal voltage in EC CALL mode, (1.7 ± 0.9) VRMS for 8 Ω headset, frequency 1KHz; Nominal sinusoidal voltage in EC TB mode, (9.5 ± 0.9) VRMS for 600 Ω headset, frequency 1KHz; Nominal sinusoidal voltage in EC CALL mode, (9.5 ± 0.9) VRMS for 600 Ω headset, 1KHz frequency;
Operating conditions: Operating temperature range: -40oC ÷ + 70oC; Sinusoidal vibrations: frequency 0 Hz to 500 Hz; Linear accelerations: NX = 2g, NY = 4g, NZ = 7g; Mechanical shocks: max. 20 g.

ELECTRONIC FUEL SIGNALLING UNIT

The product is part of the category of electronic monitoring and signaling equipment, which equips the IAR-99 SM aircraft in its various versions and is intended for processing information collected from fuel level sensors (SNTC) and ensuring fuel level signaling (FULL/EMPTY) for four channels.

Physical characteristics:

Length: max. 107 mm;
Width: max. 58 mm;
Height: max. 78 mm;
Mass: max. 0,6 kg.
Input: Nominal supply voltage: (28 ± 0.1) Vdc; Operating voltage range: (18 ÷ 32) Vdc; Current consumed in no-load mode: max. 230 mA; Current consumed in load mode: max. 700 mA; Signals on each corresponding channel
Fuel level sensor (SNTC): Fuel presence – FULL, amplitude ≥ 2Vcc; Fuel absence – EMPTY, amplitude ≤ 1.6Vcc.
Output: FULLOUT signal with the following characteristics: Type: On/Off; On: amplitude (16.5 ÷ 31.5)Vcc, current (80 ± 5)mA, constant;
EMPTYOUT signal with the following characteristics: Type: On/Off; On: amplitude (16.5 ÷ 31.5)Vcc, current (80 ± 5)mA, constant;
EMPTY signaling delay when switching from FULL: (40 ± 15) sec.;
Operating conditions: Operating temperature range: -55oC ÷ + 70oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max. 10 g; Mechanical shocks: max. 20 g.

FLAPS CONTROL SWITCH

The product is part of the category of cabin devices that equip the IAR-99SM aircraft in its various versions and is intended to close the electrical control circuits of the flaps for its three positions: RETRACTED, LANDING, TAKEOFF.

Physical characteristics:

Length: max. 90 mm;
Height: max. 125 mm;
Width: max. 50 mm;
Mass: max. 0,4 kg.
Input: Nominal supply voltage: (28 ± 0.1) Vdc; Operating voltage range: 21 Vdc÷32 Vdc; Nominal current on each circuit: 10 A resistive load, 10 A inductive load L/R=5ms; 3 A lamp load;
Functions:
TAKE-OFF function – this function is provided by a +28Vcc voltage coming from the aircraft system and initialized by positioning the control lever in the TAKE OFF position, thus closing the TAKE-OFF control circuit;
LANDING function – this function is provided by a +28Vcc voltage coming from the aircraft system and initialized by positioning the switch lever to the LANDING position, thus closing the LANDING control circuit;
UP function – this function is provided by a +28Vcc voltage coming from the aircraft system and initialized by positioning the switch lever to the UP position, thus closing the RETRACTED control circuit;
Operating conditions: Operating temperature range: -40oC ÷ + 55oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max. 7.5 g; Mechanical shocks: max. 7.5 g.

CONTROL AND PROTECTION BOX

The product is part of the category of electronic process control equipment that equips the IAR 330 helicopters in various versions and is intended to ensure the automatic coupling of the three-phase 115V/400Hz voltage supplied by the alternators to the helicopter's distribution bars and their protection against overvoltage, undervoltage and short circuit between phases.

Physical characteristics:

Length: max. 190 mm;
Width: max. 128 mm;
Height: max. 51 mm;
Mass: max. 1,7 kg.
Voltage: Nominal voltage: (28 ±0.1) Vdc; Operating voltage range: (16÷32) Vdc; Nominal three-phase voltage: 115 Vrms, 400 Hz; Rectified voltage: 26 ± 2 Vdc;
Currents: Maximum current absorbed from the 28 V bus: max. 200 mADC at nominal voltage; Maximum current absorbed from 115V/400Hz: per phase max. 70 mArms, at nominal voltage;
Protections: Low voltage protection (undervoltage): Trip threshold: 100 ± 2.5 Vrms and frequency ≥320 ± 5 Hz; Trip time: 3 sec. ± 0.5 sec.
Overvoltage protection: Trip threshold: ≥ 130 Vac; Trip time: 140 Vrms, 0.3 ≤ t ≤ 1 sec; 160 Vrms, 0.1 ≤ t ≤ 0.2 sec; 180 Vrms, t ≤ 0.1 sec.
Low frequency protection: Tripping threshold: 320 Hz ± 5 Hz; Tripping time: t ≤ 0.15 sec.
Differential protection: Tripping threshold: 6.8 ± 0.5 Vrms; Tripping time t ≤ 0.05 sec;
Reverse power protection;
EMI and EMC electromagnetic compatibility according to MIL STD 461C;
Insulation resistance: min. 10 MΩ in CMS (Standard Weather Conditions) and min. 2 MΩ in conditions other than CMS.
Operating conditions: Operating temperature range: -40oC ÷ + 70oC; Sinusoidal vibrations: frequency 0 Hz to 500 Hz, max. 5g; Linear accelerations: 5g;

SIGNAL INTERFACE EQUIPMENT

The product is part of the category of I/O electronic equipment, which equips the IAR-99 SM aircraft in its various versions and is intended to convert the signals of the aircraft's sensors and transducers into signals compatible with the working areas of the Data Acquisition Unit – DAU, Elbit Systems, in the avionics configuration.

Physical characteristics:

Length: max. 200 mm;
Width: max. 125 mm;
Height: max. 70 mm.
Mass: max 2,1 kg.
Input: Nominal supply voltage: (28 ± 0.1) Vdc; Operating voltage range: (18 ÷ 32) Vdc; No-load current: max. 0.8 A; Load current: max. 1 A;
Analog input signals: Hydraulic pressure 1 and 2; Left, right and parking brake pressure; Oxygen pressure; Oil pressure; Central tank fuel level;
Frequency signals: Engine speed; Fuel consumption;
Logic Signals: Oil pressure limit; Oxygen pressure limit.
Output: Analog signals: Hydraulic pressure 1 and 2; Left, right and parking brake pressure; Oxygen pressure; Oil pressure; Central tank fuel level; Fuel consumption;
Frequency signals: Engine speed;
Logic signals: Oil pressure limit; Oxygen pressure limit.
Operating conditions: Operating temperature range: -55oC ÷ + 70oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max. 15 g; Mechanical shocks: max. 20 g.

LINEAR ELECTROMECHANISM

The product is part of the category of electromechanisms, which equip the IAR-99 SM aircraft in its various versions and is intended for executing the remote control command of the aileron trimmer and the rudder trimmer.

Physical characteristics:

Length with retracted rod: (122 ±1) mm;
Length with extended rod: (147 ±1) mm;
Height: (78,5 ±1) mm;
Length: (50 ±1) mm.
Mass: max. 0,65 kg.
Input: Nominal supply voltage: (28 ± 0.1) Vdc; Operating voltage range: 21 Vdc÷32 Vdc; Nominal current on each circuit: 10 A resistive load, 10 A inductive load L/R=5ms; 3 A lamp load;
Functional characteristics:
Electric motor: Power 10 W; Nominal voltage 24Vdc; Nominal speed without load 10300 rpm; Nominal useful torque 6.64 mNm; Nominal current 0.314 A; Reversible direction of rotation.
Voltage: Nominal supply voltage: (28 ± 0.1) Vdc; Operating voltage range: 21 Vdc ÷ 32 Vdc;
Currents: Max absorbed: 1 A;
Electromechanism stroke: Maximum: 21.5 mm ± 0.6 mm; Adjustable: 10mm ÷ 21.5 mm; Median: 10.75mm ± 0.75 mm.
Rod travel speed: Rod travel speed at rated voltage and load: 1.5mm/sec ± 0.5mm/sec.
Traction-compression load: Nominal load 20 daN; Maximum load 40 daN; Maximum static load 80 daN; Maximum clutch slip load 65 daN.
Signals: Normally open contact, ND, at mid-stroke.
Operating conditions: Operating temperature range: -55oC ÷ + 70oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max. 7.5 g; Mechanical shocks: max. 4 g.

LANDING GEAR POSITION INDICATOR

The product is part of the category of electronic monitoring and signaling equipment, which equips the IAR-99 SM aircraft in its various versions and is intended to signal the position of the landing gear in correspondence with the position signals coming from the aircraft. When the aircraft is powered up, the product signals the current position of the landing gear, and if necessary, the intensity of the board illumination can be adjusted from the outside and the integrity of the signals can be checked.

Physical characteristics:

Length: max. 70 mm;
Width: max. 44 mm;
Height: max. 52 mm;
Mass: max. 0,125 kg.
Input: Nominal supply voltage: (28 ± 0.1) Vdc; Operating voltage range: (18 ÷ 32) Vdc; Lighting current consumption: max. 10 mA; Signalling current consumption: max. 20 mA; Left, central and right door jamb signals lowered: 0 / +28Vdc; Left, central and right door jamb signals raised: 0 / +28Vdc; Signalling test signal: 0 / +28Vdc; Lighting adjustment: +28Vdc adjustable
Output: LEFT leg LOWERED / RAISED GREEN / RED signaling; CENTER leg LOWERED / RAISED GREEN / RED signaling; RIGHT leg LOWERED / RAISED GREEN / RED signaling; VISIBLE / NVIS lighting, green;
Optical characteristics: Illumination plate color: black; Line color: white; LOWERED signaling color, green according to MIL – L – 85762A; RAISED signaling color, red according to MIL – L – 85762A;
Operating conditions: Operating temperature range: -40 C ÷ + 55 C; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max. 7.5 g; Mechanical shocks: max. 7.5 g.

ALTITUDE AND SPEED TRANSDUCER

The product is part of the set of transducers dedicated to the SAIMS system and is used on the IAR-99 SM aircraft in its various versions. The product is intended to provide information on static and dynamic pressure parameters to the SAIMS system.

Physical characteristics:

Dimensions: (Ø56 x 105) mm;
Mass: TA-01 – max 0,2 kg, TV-01 – max 0,25 kg.
Input: Nominal supply voltage: 10 Vdc ± 0.15 Vdc; Current consumption: TA-01 – max 500 mA, TV-01 – max 500 mA; For TA-01: static pressure (Ps) = (50 ÷ 1050) mbar ± 1.5 mbar; For TV-01: dynamic pressure (Pd) = (10 ÷ 336.25) mbar ± 1.5 mbar;
Output: For TA-01: voltage US, proportional to static pressure PS; For TV-01: voltage UD, proportional to dynamic pressure PD. The theoretical curve of the output voltages is linearized. Maximum permissible deviation in CCN, ±120mV from the calculated values.
Operating conditions: Operating temperature range: -55oC ÷ + 70oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max 10 g; Mechanical shocks: max 20 g.

HYDRAULIC PRESSURE TRANSDUCER

The products are part of the category of sensors and transducers in the IAR 99 SM aircraft configuration and are intended to provide pressure information from the aircraft's hydraulic system and braking system.

Physical characteristics:

Dimensions: (Ø60 x 115) mm;
Mass: max 0,4 kg.
Input: Nominal supply voltage: ±15 Vdc; Current consumed in no-load mode: max 0.5 A; Current consumed in load mode: max 0.7 A;
Pressures 190.SM (TPH-300): Pressure measurement range: (0÷250) bar, standard G (gauge) Working pressure range: (0÷220) bar, standard G (gauge); Maximum working pressure: 300 bar; Pressure shock: 500 bar.
Pressures 191.SM (TPH-200): Pressure measurement range: (0÷150) bar, standard G (gauge); Working pressure range: (0÷120) bar, standard G (gauge); Maximum working pressure: 300 bar; Pressure shock: 500 bar.
Output: Signal 190.SM: (0 ÷ 10) Vcc corresponding to the measuring range (0÷250) bar; Signal 191.SM: (0 ÷ 10) Vcc corresponding to the measuring range (0÷150) bar; Error: ± 0.5% of the end of scale; Current consumption: max 0.5 A;
Operating conditions: Operating temperature range: -55oC ÷ + 70oC; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz;

OXYGEN PRESSURE TRANSDUCER

The product is part of the category of sensors and transducers in the IAR 99 SM aircraft configuration and is intended to provide information on oxygen pressure in the aircraft system. The oxygen pressure transducer transforms the physical pressure value in the aircraft's oxygen system into an electrical signal proportional to it.

Physical characteristics:

Dimensions: (Ø60 x 110) mm;
Mass: max 0,35 kg.
Input: Nominal supply voltage: 28 Vdc; Operating voltage range: (18 ÷ 30) Vdc; No-load current consumption: max 10 mA; Pressure measurement range: 0÷150 bar, standard G (gauge) Operating pressure range: 0÷250 bar, standard G (gauge); Maximum working pressure: 375 bar; Pressure shock: 500 bar.
Output: Signal (0 ÷ 10) Vcc corresponding to the working pressure range (0÷250) bar; Error: ± 0.25% of the end of scale; Current consumption: max 100 mA.
Operating conditions: Operating temperature range: -55 C ÷ + 70 C; Sinusoidal vibrations: frequency 5 Hz to 2,000 Hz; Linear accelerations: max 10 g; Mechanical shocks: max 7.5 g.

AEROFINA SA