- Effective
- February 21, 1975
- Model
- 8GCBC
- Data sheet
- TCDSA21CE
- Registered aircraft
- 400 matched by model
- Product
- Aircraft · Small airplane
- Amendment
- 39-2093
Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.
Copies of the files this page was built from, with their SHA-256. Retrieved October 18, 2026.
| File | Size | SHA-256 | Original |
|---|---|---|---|
| FAA DRS HTML | 21 KB | b475b1fe…c603169 | FAA DRS (API key needed) |
On this page
The airworthiness directive
75-04-12 BELLANCA: Amendment 39-2093. Applies to Model 8GCBC Airplanes, Serial Numbers 1-74 through 119-74, 120-75 through 153-75 certificated in all categories.
Compliance required within the next 10 hours time in service after the effective date of this airworthiness directive, unless already accomplished.
To prevent possible resonant vibratory conditions with McCauley Model 1A200/HFA fixed pitch propellers installed on Lycoming 0-360-C2A, or -C2E type engines, accomplish the following in accordance with Bellanca Service Letter Number 115 and Bellanca Service Kit Number 245.
(a) Remove existing markings on the tachometer instrument glass and affix Mylar decal, Bellanca P/N 1-10443. The decal is properly affixed when: a green arc extends from 500 to 1700 RPM; a yellow arc from 1700 to 2100 RPM; a green arc from 2100 RPM to 2700 RPM; and a red radial is positioned at 2700 RPM.
(b) Install Bellanca P/N 1-10437, placard "AVOID 1700-2100 DURING DESCENT", on thetachometer instrument glass below the hour meter.
(c) Accomplish Revision Number 1 to existing FAA Approved Airplane Flight Manual (AFM) in accordance with AFM revisions page.
This amendment becomes effective February 21, 1975.
Affected TCDS · 1
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 400
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1974 | 58 |
|---|---|
| 1975 | 17 |
| 1976 | 18 |
| 1977 | 10 |
| 1978 | 16 |
| 1979 | 24 |
| 1980 | 4 |
| 1992 | 1 |
| 1993 | 5 |
| 1994 | 2 |
| 1995 | 3 |
| 1996 | 3 |
| 1997 | 3 |
| 1998 | 8 |
| 1999 | 3 |
| 2000 | 14 |
| 2001 | 4 |
| 2002 | 5 |
| 2003 | 7 |
| 2004 | 12 |
| 2005 | 4 |
| 2006 | 10 |
| 2007 | 5 |
| 2008 | 7 |
| 2009 | 4 |
| 2010 | 6 |
| 2011 | 7 |
| 2012 | 3 |
| 2013 | 4 |
| 2014 | 3 |
| 2015 | 5 |
| 2016 | 4 |
| 2017 | 8 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 9 |
| 2021 | 7 |
| 2022 | 8 |
| 2023 | 8 |
| 2024 | 7 |
| 2025 | 2 |
63 with no year recorded