Picture of product SA4550
Part #: 90251-A
Model: SA4550
Desc: Electronic ADI (4")
OEM: Nighthawk
Sched-B: 9014208040
Cage Code: 3T1Z4
Part Number :


SA4550
FEATURES
  • High-Definition Primary Attitude Display
  • Featuring an ultra-wide viewing angle, 180° in both horizontal/vertical axes
  • The built-in custom I/O enables the unit to interface with aircraft avionics using existing wiring harnesses
  • Flight director command bards, pilot-configurable for toggling between single and dual cue presentation
  • Glideslope and Localizer
  • Fast/Slow
  • Radar Altitude
  • Radar altitude minimum/decision height setting
  • Electronic slip/skid driven by internal accelerometer
  • Attitude comparator system interface
  • On-screen annunciators
  • MTBF in excess of 10,000 hours
  • LED display with resolution of 200 pixels per inch
  • Ideal for corporate and air transport aircraft
  • Update with minimum disruption
  • Cost-effective way to enhance both the aircraft operational and residual value

 

SPECIFICATIONS
Dimensions: AD-550 retrofit version 7.81" L x 3.97" x 3.97" Bezel: 4.06" x 4.06" AD-600 & AD-650 retrofit 7.51" L x 3.97" x 3.97" Bezel: 4.06" x 4.06" Weight: 3.4 lbs (SA4550) 0.5 lbs (bracket)
Power: 20-33 VDC, 28 VDC @ 1.4A (40W) nominal Cooling: Internal fan requiring ambient air at fan input
Mounting: Standard 4-ATI panel cutout Temperature: -20°C to +70°C
Altitude: +55,000 ft. max. Certification: TSO-C113, TSO-C3d, TSO-C4c, TSO-C43e, TSO-C36e, TSO-C52b, DO-160E, DO-178B, DO-254
Part Number Primary Attitude Display Description:
90175-a SA4550-000, Gray (AD500/550 & HZ-454 Compatible)
90176-a SA4550-001, Black (AD500/550 & HZ-454 Compatible)
90177-a SA4550-100, Gray (AD600/650 Compatible)
90178-a SA4550-101, Black (AD600/650 Compatible)
90185-a SA4550-010, Gray, Partial Load Resistors (AD500/550 & HZ-454 Compatible)
90186-a SA4550-011, Black, Partial Load Resistors (AD500/550 & HZ-454 Compatible)
90187-a SA4550-110, Gray, Partial Load Resistors (AD600/650 Compatible)
90188-a SA4550-111, Black, Partial Load Resistors (AD600/650 Compatible)
90189-a SA4550-020, Gray, No Load Resistors (AD500/550 & HZ-454 Compatible)
90198-a SA4550-040, Gray, High Vibration (AD500/550 & HZ-454 Compatible)
90199-a SA4550-041, Black, High Vibration (AD500/550 & HZ-454 Compatible)
90200-a SA4550-050, Gray, High Vibration, Partial Load Resistors (AD500/550 & HZ-454)
90201-a SA4550-051, Black, High Vibration, Partial Load Resistors (AD500/550 & HZ-454)
90204-a SA4550-140, Gray, High Vibration (AD600/650 Compatible)
90205-a SA4550-141, Black, High Vibration (AD600/650 Compatible)
90206-a SA4550-150, Gray, High Vibration, Partial Load Resistors (AD600/650 Compatible)
90207-a SA4550-151, Black, High Vibration, Partial Load Resistors (AD600/650 Compatible)
90210-a SA4550-400, Gray (ADI-84/84A Compatible)
90211-a SA4550-401, Black (ADI-84/84A Compatible)
90212-a SA4550-440, Gray, High Vibration (ADI-84/84A Compatible)
90213-a SA4550-441, Black, High Vibration (ADI-84/84A Compatible)
90214-a SA4550-500, Gray (ADI-84C/70C Compatible)
90215-a SA4550-501, Black (ADI-84C/70C Compatible)
90216-a SA4550-540, Gray, High Vibration (ADI-84C/70C Compatible)
90217-a SA4550-541, Black, High Vibration (ADI-84C/70C Compatible)
90218-a SA4550-600, Gray (ADI-329B-7Rx Compatible)
90219-a SA4550-601, Black (ADI-329B-7Rx Compatible)
90226-a SA4550-700, Gray (KCI-310/310A Compatible)
90227-a SA4550-701, Black (KCI-310/310A Compatible)
90235-a SA4550-040N, Gray, High Vibration, NVIS, Class B (AD500/550 & HZ-454 Compatible)
90236-a SA4550-041N, Black, High Vibration, NVIS, Class B (AD500/550 & HZ-454 Compatible)
90248-a SA4550-640, Gray, High Vibration (ADI-329B-7Rx Compatible)
90249-a SA4550-641, Black, High Vibration (ADI-329B-7Rx Compatible)

 

90175-A
- SA4550-000 Primary Attitude Display - Gray
Price Condition Status
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90176-A
- SA4550-001 Primary Attitude Display - Black
Price Condition Status
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90177-A
- SA4550-100 Primary Attitude Display - Gray
Price Condition Status
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90178-A
- SA4550-101 Primary Attitude Display - Black
Price Condition Status
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90186-A
- SA4550-011 Primary Attitude Display - Black
Price Condition Status
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90187-A
- Primary Attitude Display - Gray
Price Condition Status
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90198-A
- SA4550-040 Primary Attitude Display - Gray
Price Condition Status
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90199-A
- SA4550-041 Primary Attitude Display
Price Condition Status
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90204-A
- SA4550-140 Primary Attitude Display - Gray
Price Condition Status
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90205-A
- SA4550-141 Primary Attitude Display - Black
Price Condition Status
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90207-A
- Primary Attitude Display - Black
Price Condition Status
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90210-A
- SA4550-400 Primary Attitude Display - Gray
Price Condition Status
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90211-A
- SA4550-401 Primary Attitude Display
Price Condition Status
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90212-A
- SA4550-440 - Primary Attitude Display - Gray
Price Condition Status
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90213-A
- SA4550-441 Primary Attitude Display
Price Condition Status
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90214-A
- SA4550-500 Primary Attitude Display - Gray
Price Condition Status
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90215-A
- SA4550-501 Primary Attitude Display - Black
Price Condition Status
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90216-A
- Primary Attitude Display - Gray
Price Condition Status
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90218-A
- SA4550-600 Primary Attitude Display - Gray
Price Condition Status
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90219-A
- SA4550-601 Primary Attitude Display - Black
Price Condition Status
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90226-A
- SA4550-700 Primary Attitude Display
Price Condition Status
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90227-A
- SA4550-701 Primary Attitude Display - Black
Price Condition Status
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90235-A
- SA4550-040N Primary Attitude Display - Gray, NVG
Price Condition Status
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90236-A
- SA4550-041N Primary Attitude Display - Black, NVG
Price Condition Status
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90248-A
- SA4550-640 Primary Attitude Display - Gray
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
90249-A
- SA4550-641 Primary Attitude Display - Black
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
90250-A
- SA4550-640N Primary Attitude Display - Gray, NVG
Price Condition Status
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90251-A
- SA4550-640N Primary Attitude Display - Black, NVG
Price Condition Status
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SA4550-001
- Primary Attitude Display - Black
Price Condition Status
REQUEST SV OUTRIGHT REQUEST LEAD TIME
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REQUEST SV EXCHANGE REQUEST LEAD TIME
SA4550-010
- Primary Attitude Display - Gray
Price Condition Status
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SA4550-011
- Primary Attitude Display - Black

NSN: 6610-01-565-7344

Price Condition Status
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SA4550-020
- Primary Attitude Display - Gray
Price Condition Status
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SA4550-040
- Primary Attitude Display - Gray
Price Condition Status
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SA4550-040N
- Primary Attitude Display - Gray
Price Condition Status
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SA4550-041N
- Primary Attitude Display - Black

NSN: 6610-01-580-0766

Price Condition Status
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SA4550-050
- Primary Attitude Display - Gray
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-051
- Primary Attitude Display - Black
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-101
- Primary Flight Display, Black AD600/650
Price Condition Status
REQUEST SV OUTRIGHT REQUEST LEAD TIME
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-110
- Primary Attitude Display - Gray
Price Condition Status
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SA4550-111
- Primary Attitude Display - Black
Price Condition Status
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SA4550-140
- Primary Attitude Display - Gray
Price Condition Status
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SA4550-141
- Primary Attitude Display - Black
Price Condition Status
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SA4550-150
- Primary Attitude Display - Gray
Price Condition Status
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SA4550-151
- Primary Attitude Display - Black
Price Condition Status
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SA4550-401
- Primary Attitude Display, SA4550
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-440
- Primary Attitude Display - Gray
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-441
- Primary Attitude Display, Black
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-500
- Primary Attitude Display - Gray
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-501
- Primary Attitude Display - Black
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-540
- Primary Attitude Display - Black
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-541
- Primary Attitude Display - Black
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-600
- Primary Attitude Display - Gray
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-601
- Primary Attitude Display - Black
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-640
- Primary Attitude Display - Gray
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME
SA4550-700
- Primary Attitude Display, Gray
Price Condition Status
REQUEST NEW OUTRIGHT REQUEST LEAD TIME

Click on a question below to see the answer. If you have a question about this model that is not answered below, please contact questions@seaerospace.com


In relation to NE (New) parts, many OEMs change their prices and availability without any notice to dealers or the industry. Therefore, through the REQUEST or RFQ indication, we ask that customers contact us for the most accurate price and availability.

In relation to SV & OH parts, the used parts aftermarket in the aviation industry is not an infinite supply. It is a dynamic, constantly changing market that is significantly affected by and susceptible to highs and lows in supply and demand. Therefore, although we attempt to, at times, we are unable to predict the exact moment when an item may be available. Once again, through the REQUEST or RFQ indication on our website, we ask that customers contact us for the most current and accurate price and availability.

Similar to other manufacturers, the ordering or catalog part number is different than the part number actually printed on the physical unit. Sandel uses a numbering scheme for ordering new systems that begins with 5 numbers (ex. 90131). However, this part number is not on the actual dataplate of the unit. The part number on the unit will usually be similar to the model number with numbers following it (ex. ST3400-000).

Click on a headline below to see more:

On May 23, 2024, Nighthawk Flight Systems, Inc., a developer of advanced compact integrated avionics for rotary and fixed-wing aircraft in the general aviation, business, air transport, and military markets, announced the appointment of a highly qualified board of directors to guide the company through its next growth phase. Nighthawk recently announced its formation during the Vertical Aviation International Heli-Expo event earlier in 2024.

To read the entire press release, please visit this link:

https://www.nighthawkfs.com/blog/nighthawk-news-1/nighthawk-flight-systems-announces-appointment-of-a-new-board-of-directors-helping-position-the-company-for-future-growth-4