- Effective
- April 3, 1979
- Published
- March 29, 1979
- Issued
- March 16, 1979
- Models
- A, A-2, A-3, A-4, A-5, A-5T and 146 more
- Registered aircraft
- 27,745 matched by model
- Product
- Appliance
- Amendment
- 39-3442
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 November 21, 2025.
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 | 22 KB | 6b057d22…a80703c | FAA DRS (API key needed) |
On this page
The airworthiness directive
79-07-02 ESB WISCO, INCORPORATED: Amendment 39-3442. EXIDE AC 78M and WILLARD W 78M BATTERIES. Applies to those batteries manufactured during December 1978, January and February 1979, identified by the figures N-8, A-9, or B-9 stamped on either terminal post. They may be installed in, but not limited to, the following aircraft:
Aero Commander 1960 on - various models, Bellanca 1959 on - various models, Callair 1964 on - various models, Champion 7 series models: 7GC, 7HC, etc., Enstrom F-28 series, possible other models, Helio All series, Lake Amphibian Model C-1 and LA-4, Navion Rangemaster and others, Piper Cherokee and Pawnee PA-28 and PA-25, but not limited to these models, Rockwell All models, Stinson All models, Wing Derringer models.
Compliance is required as follows. Remove from service before next flight and replace with any approved battery of comparable rating.
This amendment becomes effective April 3, 1979.
Affected TCDS · 29
The type certificate data sheets for the models this AD names, matched by model and maker.
Registered aircraft · 27,745
Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.
| 1928 | 1 |
|---|---|
| 1929 | 1 |
| 1930 | 1 |
| 1939 | 2 |
| 1940 | 7 |
| 1941 | 5 |
| 1943 | 1 |
| 1944 | 1 |
| 1945 | 117 |
| 1946 | 2,513 |
| 1947 | 1,070 |
| 1948 | 424 |
| 1949 | 167 |
| 1950 | 119 |
| 1951 | 39 |
| 1952 | 11 |
| 1953 | 11 |
| 1954 | 9 |
| 1955 | 39 |
| 1956 | 90 |
| 1957 | 62 |
| 1958 | 102 |
| 1959 | 96 |
| 1960 | 101 |
| 1961 | 103 |
| 1962 | 312 |
| 1963 | 381 |
| 1964 | 685 |
| 1965 | 945 |
| 1966 | 1,198 |
| 1967 | 1,128 |
| 1968 | 1,066 |
| 1969 | 891 |
| 1970 | 356 |
| 1971 | 497 |
| 1972 | 648 |
| 1973 | 886 |
| 1974 | 981 |
| 1975 | 599 |
| 1976 | 1,026 |
| 1977 | 810 |
| 1978 | 816 |
| 1979 | 960 |
| 1980 | 314 |
| 1981 | 276 |
| 1982 | 127 |
| 1983 | 98 |
| 1984 | 106 |
| 1985 | 104 |
| 1986 | 23 |
| 1987 | 7 |
| 1988 | 20 |
| 1989 | 49 |
| 1990 | 8 |
| 1991 | 12 |
| 1992 | 51 |
| 1993 | 54 |
| 1994 | 28 |
| 1995 | 56 |
| 1996 | 43 |
| 1997 | 59 |
| 1998 | 113 |
| 1999 | 141 |
| 2000 | 149 |
| 2001 | 96 |
| 2002 | 73 |
| 2003 | 87 |
| 2004 | 82 |
| 2005 | 103 |
| 2006 | 67 |
| 2007 | 45 |
| 2008 | 43 |
| 2009 | 11 |
| 2010 | 26 |
| 2011 | 18 |
| 2012 | 11 |
| 2013 | 61 |
| 2014 | 64 |
| 2015 | 43 |
| 2016 | 45 |
| 2017 | 69 |
| 2018 | 97 |
| 2019 | 148 |
| 2020 | 130 |
| 2021 | 122 |
| 2022 | 145 |
| 2023 | 155 |
| 2024 | 157 |
| 2025 | 178 |
| 2026 | 105 |
4,449 with no year recorded