AD 79-07-02

Airworthiness directive · Batteries · Aircraft Parts & Development A, A-2, A-3 and 149 more

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.

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.

See all 29 data sheets

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.

By aircraft maker
  • Piper16,028 aircraft
  • Aeronca3,086 aircraft
  • Bellanca1,929 aircraft
  • Champion1,603 aircraft
  • Stinson1,270 aircraft
  • Other makers293,829 aircraft
By year built
19282026
Registered aircraft by year built: 23,296 aircraft
19281
19291
19301
19392
19407
19415
19431
19441
1945117
19462,513
19471,070
1948424
1949167
1950119
195139
195211
195311
19549
195539
195690
195762
1958102
195996
1960101
1961103
1962312
1963381
1964685
1965945
19661,198
19671,128
19681,066
1969891
1970356
1971497
1972648
1973886
1974981
1975599
19761,026
1977810
1978816
1979960
1980314
1981276
1982127
198398
1984106
1985104
198623
19877
198820
198949
19908
199112
199251
199354
199428
199556
199643
199759
1998113
1999141
2000149
200196
200273
200387
200482
2005103
200667
200745
200843
200911
201026
201118
201211
201361
201464
201543
201645
201769
201897
2019148
2020130
2021122
2022145
2023155
2024157
2025178
2026105

4,449 with no year recorded

By model

See all 208 models

Aircraft

See all 27,745 aircraft