# AD 58-16-01: Cigar Lighter Fuse

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-20 and PA-22
- Published: September 26, 1958
- Issued: September 26, 1958
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Registered aircraft: 553 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/51AFF5822FB4DB6C8625698B0076525F.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/58-16-01

## The airworthiness directive

58-16-01 PIPER: Applies to Model PA-20 Serial Numbers 20-1 to 20-1121 Inclusive, and Model PA-22 Serial Numbers 22-1 to 22-6087 Inclusive, That Have Cigar Lighters Installed.

Compliance required within next 100 hours of operation.

To preclude the possibility of blowing the master fuses, due to a short circuit caused by a faulty cigar lighter element, install a 15-ampere standard fuse, Bussman No. AGC-15 or equivalent, in the wire between the cigar lighter and the ammeter.

(Piper Service Bulletin Number 163A covers the same subject.)

## Affected data sheets (2) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS 1A4](https://openairdocs.org/tcds/1A4): Piper Aircraft Inc.; names 1 of 6 models: PA-20
- [TCDS 1A6](https://openairdocs.org/tcds/1A6): Piper Aircraft Inc.; names 1 of 8 models: PA-22

## Registered aircraft it may apply to (OpenAirDocs)

Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment.

- Aircraft: 553 (553 by airframe model, 0 by engine model)
- Makers: Piper 553

Models with the most aircraft:

- [Piper PA-22](https://openairdocs.org/model/piper-pa-22): 277 aircraft (airframe model)
- [Piper PA-20](https://openairdocs.org/model/piper-pa-20): 276 aircraft (airframe model)

All 2 models: https://openairdocs.org/ad/58-16-01/models.md
Every aircraft: https://openairdocs.org/ad/58-16-01/aircraft.md

Its text cites no advisory circulars or STCs.

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