# Search: 180

In the text of advisory circulars: 1,000+ matches in release 2026-11-06. Page 1.

- [AC 120-42B](https://openairdocs.org/ac/120-42.md?from=62): Extended Operations (ETOPS and Polar Operations) · Page 62
  > …Airplane-engine combination must be ETOPS type design approved for **180**-minute or greater. 2. Comply with all part 121…
- [AC 36-2C](https://openairdocs.org/ac/36-2.md?from=21): Measured or Estimated (Uncertificated) Airplane Noise Levels · Page 21
  > …2D36C14/78KM-4 74.0 CESSNA 177 2500 0-360-A1F6 **180** MCC. 2D34C202 74.0 CESSNA 1 **180** 2800…
- [AC 20-66B CHG 1](https://openairdocs.org/ac/20-66.md?from=25): Propeller Vibration and Fatigue · Page 25
  > …Lateral Gust - Yaw Spectrum 72 Lateral Gust - Yaw 2 9.12 0 0 1 100 70 **180** 0.5 34…
- [AC 120-42B](https://openairdocs.org/ac/120-42.md?from=63): Extended Operations (ETOPS and Polar Operations) · Page 63
  > …Airplane-engine combination must be ETOPS type design approved for greater than **180** minutes. The certificate holder must ensure the…
- [AC 36-2C](https://openairdocs.org/ac/36-2.md?from=27): Measured or Estimated (Uncertificated) Airplane Noise Levels · Page 27
  > …**180** 2400 0-360-A4A **180** 76EM855-0-60 78.0 PIPER PA-28-**180** 2500 10-360-B1F **180**…
- [AC 43-206 CHG 1](https://openairdocs.org/ac/43-206.md?from=231): Inspection, Prevention, Control, and Repair of Corrosion on Avionics Equipment · Page 231
  > …178-**180** Packaging Practices .................................................................................................... 178-**180** Sensitive Device Handling Practices .......................................................................... 178-**180** Testing and/or Repair Practices ........................................................................................ 178-**180** Red…
- [AC 90-117 Ed Update](https://openairdocs.org/ac/90-117.md?from=38): Data Link Communications · Page 38
  > …RSP **180** Illustration 2.16.5 RSP **180** Illustration. In Figure 2-10, RSP **180** Illustration, the ATSU establishes an…
- [AC 120-42B](https://openairdocs.org/ac/120-42.md?from=42): Extended Operations (ETOPS and Polar Operations) · Page 42
  > …Two-Engine Airplanes. (1) Up to **180**-Minute ETOPS. An applicant requesting ETOPS up to **180** minutes for two-engine…
- [AC 90-117 Ed Update](https://openairdocs.org/ac/90-117.md?from=39): Data Link Communications · Page 39
  > 10/3/17 AC 90-117 Table 2-12, RSP **180** Integrity Criteria (Aircraft System) provides the integrity criteria for…
- [AC 20-30B](https://openairdocs.org/ac/20-30.md?from=12): Aircraft Position Light and Anticollision Light Installations · Page 12
  > …Thru 6-1 100 +30 Aviation Red 40-100 0.03 STER. (4/1/57) Overlaps **180** 3. Thru 6…
- [AC 20-30B](https://openairdocs.org/ac/20-30.md?from=10): Aircraft Position Light and Anticollision Light Installations · Page 10
  > …Position of Allowable (4/1/57) Overlap **180** 0.15 STER. Obstruction Limited 3. Thru 3-7 100 +30 Aviation…
- [AC 20-30B](https://openairdocs.org/ac/20-30.md?from=13): Aircraft Position Light and Anticollision Light Installations · Page 13
  > …Obstruction Position (4/1/57) Overlaps **180** Not limited * U.S. GOVERNMENT PRINTING OFFICE: 1981-341-428:1295 Thru 7…
- [AC 36-1H](https://openairdocs.org/ac/36-1.md?from=349): Noise Levels for U.S. Certificated and Foreign Aircraft · Page 349
  > …RS-**180** 2.45 LYCOMING 0-360-A3A 1 **180** MCCAULY 1A170/FFA7563 75 2 F 73.8 73.8…
- [AC 23-8C](https://openairdocs.org/ac/23-8.md?from=250): Flight Test Guide For Certification of Part 23 Airplanes · Page 250
  > …SIN(PI()*(360-B2)/**180**) 183.3 8 Y1 =B1*COS(PI()*(360-B2)/**180**) -16.0 9 X2 =B3…
- [AC 91-89](https://openairdocs.org/ac/91-89.md?from=108): Mitsubishi MU-2B Training Program · Page 108
  > …PITCH UP, A/S **180** KCAS, UP APPROXIMATELY TRIM A/C 2° TO 3º ORAS NECESSARY TO MAINTAIN ALTITUDE. *THIS…
- [AC 91-89](https://openairdocs.org/ac/91-89.md?from=44): Mitsubishi MU-2B Training Program · Page 44
  > …PITCH UP, A/S **180** KCAS, UP APPROXIMATELY 2° TRIM A/C TO 3° ORAS NECESSARY TO MAINTAIN ALTITUDE *THIS…
- [AC 91-89](https://openairdocs.org/ac/91-89.md?from=75): Mitsubishi MU-2B Training Program · Page 75
  > …GEAR UP, FLAPS PITCH UP UP, A/S **180** KCAS, APPROXIMATELY 2° TO TRIM A/C 3° OR AS NECESSARY…
- [AC 187-2](https://openairdocs.org/ac/187-2.md?from=9): Aircraft Certification Service Fees for Providing Production Certification-Related Services Outside the United States · Page 9
  > …Manufacturing Inspection Office, ACE-**180** 601 East 12th Street Kansas City, MO 64106 2. Manufacturing Inspection Office, ANE-**180** 12…
- [AC 90-117 Ed Update](https://openairdocs.org/ac/90-117.md?from=53): Data Link Communications · Page 53
  > …4.4.1 RSP **180** CSP Allocations. The CSP must comply with the performance described in Table 4-5, RSP…
- [AC 120-42B](https://openairdocs.org/ac/120-42.md?from=65): Extended Operations (ETOPS and Polar Operations) · Page 65
  > …Airplane-engine combination must be ETOPS type design approved for greater than **180** minutes. The certificate holder must ensure the…

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