# AD 93-01-08: Airplane Flight Manual (AFM) Revision

- Type: Airworthiness directive
- Status: Current
- Products: Textron 400, 400A, 400T and MU-300-10
- Effective: March 4, 1993
- Superseded by: Nothing supersedes this AD
- Product type: Aircraft, Large airplane
- Amendment: 39-8462
- Docket: 92-NM-134-AD
- Registered aircraft: 312 may be affected, by airframe or engine model (OpenAirDocs)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A5EC5EA08196ADA786256A09005E37AC.0001
- DRS record last changed: January 21, 2026
- Page: https://openairdocs.org/ad/93-01-08

## The airworthiness directive

93-01-08 BEECH AIRCRAFT CORPORATION: Amendment 39-8462. Docket 92-NM-134-AD.

Applicability: All Beech Model 400 airplanes and Mitsubishi Model MU-300-10 airplanes, certificated in any category.

Compliance: Required as indicated, unless accomplished previously.

To ensure that the required minimum takeoff and climb performance can be achieved for each approved combination of takeoff or landing configuration, weight, pressure altitude, and temperature, accomplish the following:

  (a) Within 30 days after the effective date of this AD, revise the Limitations Section of the FAA-approved BEECHJET 400 Airplane Flight Manual by inserting the new pages contained in the BEECHJET 400 Airplane Flight Manual, A9 Revision, part number 128-590001-13A9, dated August 14, 1992.

  (b) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Wichita Aircraft Certification Office(ACO), ACE-115W, FAA, Small Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Wichita ACO.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita ACO.

  (c) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

  (d) The revision of the AFM shall be done in accordance with BEECHJET 400 Airplane Flight Manual, A9 Revision, part number 128-590001-13A9, dated August 14, 1992, which contains the list of effective pages specified on pages 1 through 3 of the "Instruction Sheet" (A9 Revision, dated August 14, 1992). This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR Part 51. Copies may be obtained from Beech Aircraft Corporation, P.O. Box 85, Wichita, Kansas 67201-0085. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, Small Airplane Directorate, Wichita Aircraft Certification Office, 1801 Airport Road, Room 100, Mid-Continent Airport, Wichita, Kansas; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.

  (e) This amendment becomes effective on March 4, 1993.

## Affected data sheets (1) (OpenAirDocs)

The type certificate data sheets whose models the AD names.

- [TCDS A16SW](https://openairdocs.org/tcds/A16SW): Textron Aviation Inc.; names 4 of 4 models: 400, 400A, 400T, MU-300-10

## 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: 312 (312 by airframe model, 0 by engine model)
- Makers: Raytheon 216, Beech 57, Hawker Beechcraft 39

Models with the most aircraft:

- [Raytheon 400A](https://openairdocs.org/model/raytheon-400a): 216 aircraft (airframe model)
- [Beech 400A](https://openairdocs.org/model/beech-400a): 43 aircraft (airframe model)
- [Hawker Beechcraft 400A](https://openairdocs.org/model/hawker-beechcraft-400a): 39 aircraft (airframe model)
- [Beech 400](https://openairdocs.org/model/beech-400): 13 aircraft (airframe model)
- [Beech 400T](https://openairdocs.org/model/beech-400t): 1 aircraft (airframe model)

All 6 models: https://openairdocs.org/ad/93-01-08/models.md
Every aircraft: https://openairdocs.org/ad/93-01-08/aircraft.md

Its text cites no advisory circulars or STCs.

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