# AD 69-24-04: Minimum Control Speed

- Type: Airworthiness directive
- Status: Current
- Products: Piper PA-30
- Effective: August 5, 1977
- Published: August 1, 1977
- Issued: July 21, 1977
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Small airplane
- Amendment: 39-2991
- Registered aircraft: 878 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/7F39338C0FC20B6586256E01005477BC.0001
- DRS record last changed: November 21, 2025
- Page: https://openairdocs.org/ad/69-24-04

## The airworthiness directive

69-24-04 PIPER: Amendment 39-878 as amended by amendment 39-896 is further amended by Amendment 39-2991. Applies to Piper PA-30 type airplanes certificated in all categories except aircraft incorporating Piper Kit No. 760 368.

Compliance required before further flight, unless already accomplished, as follows:

Change the existing Vmc placard to state the following:

"Minimum Single Engine Control Speed 90 mph CAS".

(Piper Service Bulletin 301A dated November 25, 1969 pertains to this subject.)

Amendment 39-878 was effective November 27, 1969.

Amendment 39-896 was effective December 26, 1969.

This Amendment 39-2991 is effective August 5, 1977.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A1EA](https://openairdocs.org/tcds/A1EA): Piper Aircraft Inc.; names 1 of 3 models: PA-30

## 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: 878 (878 by airframe model, 0 by engine model)
- Makers: Piper 878

Models with the most aircraft:

- [Piper PA-30](https://openairdocs.org/model/piper-pa-30): 878 aircraft (airframe model)

All 1 models: https://openairdocs.org/ad/69-24-04/models.md
Every aircraft: https://openairdocs.org/ad/69-24-04/aircraft.md

Its text cites no advisory circulars or STCs.

## NTSB investigations that cite this AD (2)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ERA23FA067](https://openairdocs.org/ntsb/ERA23FA067), Nov 19, 2022: Piper PA-30 (N7295Y), Winston-Salem, NC, substantial damage, 2 fatal. Probable cause: Contamination and/or misalignment of the regulator section of the right engine’s fuel servo, which resulted in excessive idle fuel flow and a total loss of engine power. Also causal was the pilot's…
- [NTSB ERA15FA378](https://openairdocs.org/ntsb/ERA15FA378), Sep 30, 2015: Piper PA 30 (N21ND), St. Petersburg, FL, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain single-engine minimum controllable airspeed following a loss of right engine power during initial climb. Also causal was the loss of right engine power for reasons…

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