# AD 81-19-04: Hose Assembly - Type: Airworthiness directive - Status: Current - Products: Rajay Hose Assemblies, 500A, 500B, 500S, 500U, 35, H35, J35, K35, M35, N35, P35 and 78 more - Effective: September 17, 1981 - Published: September 17, 1981 - Issued: September 2, 1981 - Superseded by: Nothing supersedes this AD - Product type: Appliance, Small airplane - Amendment: 39-4214 - Registered aircraft: 22,667 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/70CE05132A9BD8FE86256A390067A98A.0001 - DRS record last changed: November 21, 2025 - Page: https://openairdocs.org/ad/81-19-04 ## The airworthiness directive 81-19-04 RAJAY INDUSTRIES, INC.: Amendment 39-4214. Applies to all affected aircraft, certificated in all categories modified per Rajay Supplemental Type Certificates Aircraft Model Rajay STC No. Aerocommander 500-A STC SA683WE Aerocommander 500-B, 500-S & 500-U STC SA529WE Beech H35, J, K, M, N & P, and 35-33, 35-A33, 35-B33, 35-C33, E33 & F33 STC SA1252WE Beech S35, V35, V35A, V35B, 35-C33A, E33A, E33C, F33A, F33C STC SA2556WE Beech 95, B95, B95A, D95A & E95 STC SA153SO Britten Norman Islander, BN-2, BN-2A, BN-2A-6, BN-2A-8, BN-2A-9 STC SA2243WE Cessna 180-A, B, C, D, E, F, G, H & J STC SA1157WE Cessna 182-A, B, C, D, E, F, G, H, J, K, L, M, N & P STC SA1032WE Cessna 210-A, B, C, 210-5(205), 210-5A(205A) STC SA1098WE Cessna 310-C, D, E, F & G STC SA2383SO Cessna 310-I and J STC SA181SO Evangel 4500-300 Evangel 4500-300, Series II STC SA2657WE Helio Courier H-295 STC SA156SO Helio Courier H-395 STC SA125SO Lake 4 and 4A STC SA2270WE Lake 4-200 STC SA2990WE Mooney 20A, M20B, M20C, M20D & M20G STC SA1156WE Mooney 20E & M20F STC SA1411WE Mooney 20J STC SA3555WE Piper PA-23-160, Apache STC SA1260WE Piper PA-23-160, Apache STC SA4-1637-WE Piper PA-23-235, -250, Aztec "B" STC SA539WE Piper PA-23-250, Aztec "C" STC SA840WE Piper PA-24-250, Comanche STC SA811WE Piper PA-24-400, Comanche STC SA2359WE Piper PA-30 & 39, Twin Comanche STC SA787WE Piper PA-32-260, Cherokee STC SA1557WE Piper PA-32R-300, Lance STC SA3513WE Piper PA-34-200, Seneca STC SA2937WE Compliance required as indicated, unless already accomplished. To prevent failure of the powerplant hoses carrying air, fuel and/or oil and resultant fire hazard, accomplish the following: (a) Within 100 hours' time in service from the effective date of this AD, or prior to return to service after the next annual inspection, whichever occurs first, visually inspect the powerplant fuel, air and oil hose assemblies listed in RajayService Letter No. 28 dated August 3, 1981 to determine the general condition and age of the hose assemblies based upon the metal plate attached to the hose, and; 1) If the hose assembly is five years old or older, replace with like serviceable part prior to further flight. 2) If the hose assembly does not have a metal tag and the age cannot be determined, replace with like serviceable part prior to further flight. 3) Record hose ages in the aircraft engine log book and establish a replacement schedule for affected hoses such that a five year life will not be exceeded. 4) If the hose assembly is deteriorated (regardless of age), replace with like serviceable part prior to further flight. (b) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate aircraft to a base for the accomplishment of inspections or modifications required by this AD. (c) Alternative inspections, modifications or other actions which provide an equivalent level of safety may be used when approved by the Chief, Engineering and Manufacturing Branch, FAA Western Region. The manufacturer's specifications and procedures identified and described in this directive are incorporated herein and made a part hereof pursuant to 5 U.S.C. 553(a)(1). All persons affected by this directive, who have not already received these documents from the manufacturer, may obtain copies upon request to Rajay Industries, Inc., 2600 East Wardlow Road, P.O. Box 207, Long Beach, California 90801, telephone (213) 426-0346. A historical file on this AD, which includes the incorporated material in full, is maintained by the FAA at its Headquarters in Washington, D.C. and at FAA Western Region Office. This amendment becomes effective September 17, 1981. ## Affected data sheets (18) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS 3A13](https://openairdocs.org/tcds/3A13): Textron Aviation Inc.; names 14 of 23 models: 182D, 182A, 182J, 182P, 182B, 182L, 182G, 182N… - [TCDS 3A15](https://openairdocs.org/tcds/3A15): Textron Aviation Inc.; names 14 of 27 models: 35-A33, M35, N35, K35, V35, E33, J35, 35-C33… - [TCDS 5A6](https://openairdocs.org/tcds/5A6): Textron Aviation Inc.; names 9 of 11 models: 180E, 180J, 180F, 180H, 180A, 180B, 180D, 180G… - [TCDS 2A3](https://openairdocs.org/tcds/2A3): Mooney International Corporation; names 8 of 17 models: M20F, M20E, M20D, M20A, M20B, M20C, M20J, M20G - [TCDS 3A10](https://openairdocs.org/tcds/3A10): Textron Aviation Inc.; names 7 of 23 models: 310I, 310D, 310G, 310C, 310F, 310J, 310E - [TCDS 3A16](https://openairdocs.org/tcds/3A16): Textron Aviation Inc.; names 5 of 21 models: 95, E95, D95A, B95, B95A - [TCDS 3A21](https://openairdocs.org/tcds/3A21): Textron Aviation Inc.; names 5 of 28 models: 210-5A (205A), 210B, 210-5 (205), 210A, 210C - [TCDS A17EU](https://openairdocs.org/tcds/A17EU): Britten-Norman Aerospace Ltd.; names 5 of 18 models: BN-2A-9, BN-2A-8, BN-2A-6, BN-2A, BN-2 - [TCDS 6A1](https://openairdocs.org/tcds/6A1): Twin Commander Aircraft LLC; names 4 of 9 models: 500A, 500B, 500U, 500S - [TCDS 1A10](https://openairdocs.org/tcds/1A10): Piper Aircraft Inc.; names 3 of 6 models: PA-23-160, PA-23-235, PA-23-250 (Navy UO-1) - [TCDS 1A13](https://openairdocs.org/tcds/1A13): Revo Incorporated; names 3 of 7 models: Lake LA-4A, Lake LA-4, Lake LA-4-200 - [TCDS 1A15](https://openairdocs.org/tcds/1A15): Piper Aircraft Inc.; names 2 of 4 models: PA-24-250, PA-24-400 - [TCDS 1A8](https://openairdocs.org/tcds/1A8): Helio Alaska Inc.; names 2 of 9 models: H-395 (USAF L-28A or U-10B), H-295 (USAF U10D) - [TCDS A17CE](https://openairdocs.org/tcds/A17CE): The King's Engineering Fellowship; names 2 of 2 models: 4500-300 Series II, 4500-300 - [TCDS A1EA](https://openairdocs.org/tcds/A1EA): Piper Aircraft Inc.; names 2 of 3 models: PA-30, PA-39 - [TCDS A3SO](https://openairdocs.org/tcds/A3SO): Piper Aircraft Inc.; names 2 of 13 models: PA-32R-300, PA-32-260 - [TCDS A-777](https://openairdocs.org/tcds/A-777): Textron Aviation Inc.; names 1 of 9 models: 35 - [TCDS A7SO](https://openairdocs.org/tcds/A7SO): Piper Aircraft Inc.; names 1 of 5 models: PA-34-200 (Seneca) ## 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: 22,667 (22,667 by airframe model, 0 by engine model) - Makers: Cessna 9,369, Piper 4,701, Mooney 4,576, Beech 3,571, Aero Commander 156, Consolidated Aeronautics 154, Helio 70, Aerostar Acft Corp Of Texas 23, Britten-Norman 22, Rockwell International 19 Models with the most aircraft: - [Cessna 182P](https://openairdocs.org/model/cessna-182p): 2,099 aircraft (airframe model) - [Mooney M20J](https://openairdocs.org/model/mooney-m20j): 1,408 aircraft (airframe model) - [Mooney M20C](https://openairdocs.org/model/mooney-m20c): 1,258 aircraft (airframe model) - [Piper PA-24-250](https://openairdocs.org/model/piper-pa-24-250): 1,222 aircraft (airframe model) - [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250): 894 aircraft (airframe model) - [Piper PA-30](https://openairdocs.org/model/piper-pa-30): 878 aircraft (airframe model) - [Mooney M20E](https://openairdocs.org/model/mooney-m20e): 829 aircraft (airframe model) - [Cessna 182A](https://openairdocs.org/model/cessna-182a): 784 aircraft (airframe model) - [Mooney M20F](https://openairdocs.org/model/mooney-m20f): 721 aircraft (airframe model) - [Piper PA-32-260](https://openairdocs.org/model/piper-pa-32-260): 650 aircraft (airframe model) - [Piper PA-32R-300](https://openairdocs.org/model/piper-pa-32r-300): 510 aircraft (airframe model) - [Cessna 182J](https://openairdocs.org/model/cessna-182j): 487 aircraft (airframe model) - [Beech S35](https://openairdocs.org/model/beech-s35): 459 aircraft (airframe model) - [Cessna 182M](https://openairdocs.org/model/cessna-182m): 432 aircraft (airframe model) - [Beech V35](https://openairdocs.org/model/beech-v35): 425 aircraft (airframe model) - [Cessna 182H](https://openairdocs.org/model/cessna-182h): 423 aircraft (airframe model) - [Cessna 182K](https://openairdocs.org/model/cessna-182k): 413 aircraft (airframe model) - [Cessna 182L](https://openairdocs.org/model/cessna-182l): 411 aircraft (airframe model) - [Cessna 182B](https://openairdocs.org/model/cessna-182b): 406 aircraft (airframe model) - [Cessna 182G](https://openairdocs.org/model/cessna-182g): 391 aircraft (airframe model) All 98 models: https://openairdocs.org/ad/81-19-04/models.md Every aircraft: https://openairdocs.org/ad/81-19-04/aircraft.md ## Related documents - [STC SA1032WE](https://openairdocs.org/stc/SA1032WE): Installation of Roto-Master (Rajay) turbocharged Continental O-470L or O-470R engine.. Texas Skyways Inc, Cited in the text - [STC SA1098WE](https://openairdocs.org/stc/SA1098WE): Installation of Roto-Master (Rajay) turbocharged Continental IO-470-E or IO-470-S engine.. TALCO Aviation, Cited in the text - [STC SA1156WE](https://openairdocs.org/stc/SA1156WE): Installation of Roto-Master (Rajay) turbocharged Lycoming IO-360-A1A or O-360-A1D engine.. Mod Works Inc, Cited in the text - [STC SA1157WE](https://openairdocs.org/stc/SA1157WE): Installation of Roto-Master (Rajay) turbocharged Continental O-470-A, J, K, L, or R engine.. Texas Skyways Inc, Cited in the text - [STC SA1252WE](https://openairdocs.org/stc/SA1252WE): Installation of Rajay turbocharged Continental - Teledyne O-470-G-C1 and/or IO-470C, -J, -K, -N engines.. TALCO Aviation, Cited in the text - [STC SA125SO](https://openairdocs.org/stc/SA125SO): Installation of Turbocharged Lycoming G0-480- G1D6 engine (STC SE124SO). TALCO Aviation, Cited in the text - [STC SA1260WE](https://openairdocs.org/stc/SA1260WE): Installation of turbocharged Lycoming O-360-A1A or A1D engines.. TALCO Aviation, Cited in the text - [STC SA1411WE](https://openairdocs.org/stc/SA1411WE): Installation of Roto-Master (Rajay) turbocharged Lycoming IO-360-A1A engine.. Mod Works Inc, Cited in the text - [STC SA153SO](https://openairdocs.org/stc/SA153SO): Installation of Turbocharged Lycoming O-360-A1A, IO-360-B1A, or IO-360-B1B engines. TALCO Aviation, Cited in the text - [STC SA1557WE](https://openairdocs.org/stc/SA1557WE): Installation of turbocharged Lycoming O-540-E4B5 engine. TALCO Aviation, Cited in the text - [STC SA156SO](https://openairdocs.org/stc/SA156SO): Installation of Turbocharged Lycoming G0-480-G1D6 engine (STC SE124SO) per FAA Sealed Roto-Master (Rajay/Riley) drawing List R0018. FAA approved Flight Manual Supplement, dated November 24, 1965 or later, FAA approved revision and Roto-Master (RAJAY/Riley) Turbo Owner s Manual required with this installation.. TALCO Aviation, Cited in the text - [STC SA181SO](https://openairdocs.org/stc/SA181SO): Installation of Turbosupercharged Continental IO-470- U engines. TALCO Aviation, Cited in the text - [STC SA2243WE](https://openairdocs.org/stc/SA2243WE): Installation of Rajay turbocharged Lycoming O-540-E4C5 engines.. TALCO Aviation, Cited in the text - [STC SA2270WE](https://openairdocs.org/stc/SA2270WE): Installation of Roto-Master (Rajay) Turbocharged Lycoming O-360-A1A or AID Engine (modified per STC SE154SO).. TALCO Aviation, Cited in the text - [STC SA2359WE](https://openairdocs.org/stc/SA2359WE): Installation of Turbocharged Lycoming 1O-720-A1A engine. TALCO Aviation, Cited in the text - [STC SA2383SO](https://openairdocs.org/stc/SA2383SO): Installation of Appalachian Accessories' P/N 75-94 Brake Rotors.. Appalachian Accessories, Cited in the text - [STC SA2556WE](https://openairdocs.org/stc/SA2556WE): Installation of Rajay turbosupercharged Continental TSIO-520-D engine.. TALCO Aviation, Cited in the text - [STC SA2657WE](https://openairdocs.org/stc/SA2657WE): Installation of turbocharged Lycoming 1O-540-K1B5 engines. TALCO Aviation Corp. dba RAJAY Turbo Products, Cited in the text - [STC SA2937WE](https://openairdocs.org/stc/SA2937WE): Installation of turbosupercharged Lycoming IO/LIO-360-C1E6 engine.. TALCO Aviation, Cited in the text - [STC SA2990WE](https://openairdocs.org/stc/SA2990WE): Installation of Turbocharged Lycoming IO-360-A1B engine. TALCO Aviation, Cited in the text - [STC SA3513WE](https://openairdocs.org/stc/SA3513WE): Installation of Roto-Master (Rajay) turbocharged Lycoming IO-540-K1G5D engine.. TALCO Aviation, Cited in the text - [STC SA3555WE](https://openairdocs.org/stc/SA3555WE): Installation of Roto-Master (Rajay) turbocharged Lycoming IO-360-A3B6D and/or IO-360-A1D6D engines.. TALCO Aviation, Cited in the text - [STC SA4-1637](https://openairdocs.org/stc/SA4-1637): Installation of Turbocharged Lycoming 0-320-A or B Series engines. TALCO Aviation, Cited in the text - [STC SA529WE](https://openairdocs.org/stc/SA529WE): Installation of turbosupercharged Lycoming IO-540 series engines.. RPM Commander LLC, Cited in the text - [STC SA539WE](https://openairdocs.org/stc/SA539WE): Installation of Turbocharged Lycoming IO-540-C1B5 or IO-540- C1C5 engines. TALCO Aviation, Cited in the text - [STC SA683WE](https://openairdocs.org/stc/SA683WE): Installation of turbocharged Continental IO-470-M engines. TALCO Aviation, Cited in the text - [STC SA787WE](https://openairdocs.org/stc/SA787WE): Installation of turbosupercharged Lycoming IO-320-B1A, IO-320-C1A, LIO-320-B1A or LIO-320-C1A engines. TALCO Aviation, Cited in the text - [STC SA811WE](https://openairdocs.org/stc/SA811WE): Installation of turbocharged Lycoming IO-540-C1B5 or -C1C5 engine.. TALCO Aviation, Cited in the text - [STC SA840WE](https://openairdocs.org/stc/SA840WE): Installation of Roto-Master (Rajay) Turbo-charged Lycoming IO-540-C4B5 or -C4C5 engines. (PA-E23-250 SN 27-2505 and up). TALCO Aviation, Cited in the text --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.