Source: FAA-H-8083-32B — there is no engine instrument chapter; the material is distributed across chapters 10, 2 and 6. Public domain. Pointers only.
There is no engine instrument systems chapter in FAA-H-8083-32B. Checked on 28 August 2026: the handbook has eleven chapters and instruments are not one of them. The material is real but sits inside other chapters — Engine Instruments and Turbine Engine Instruments under chapter 10, the fuel gauges under chapter 2, the oil gauges under chapter 6. The source line above named a chapter that does not exist; the citations below point where the content actually is. Checked by our handbook citation check.
| Elements | The ACS asks for | Where in FAA-H-8083-32B | Read it for |
|---|---|---|---|
K2, S8, S9, S12, S13, S18, S19 |
Temperature indication — EGT, CHT, oil; thermocouple work | Ch. 10 — Engine Instruments; Engine Thermocouples Out of Calibration; Troubleshooting EGT System; One or More Inoperative Thermocouples in Engine Parallel Harness · Ch. 6 — Oil Temperature Indicator; Oil Temperature Bulbs | A thermocouple's lead is part of its calibration. PP-D Concepts §1 |
K1, S3, S4, S6, S14 |
Fuel flow; transmitters and gauges; low fuel pressure warning | Ch. 2 — Fuel Pressure Gauge; Fuel Quantity Gauges; Fuel Quantity Indicating Units | On injected engines, flow indication is pressure — PP-I §3 |
K3, S5, S7, S11 |
Engine speed indicating; tachometer components and markings | Ch. 10 — Tachometer; Tachometer Indicator; Tachometer Check; Troubleshooting Aircraft Tachometer System | — |
K4, S15–S17 |
Pressure — air, fuel, manifold, oil | Ch. 10 — Manifold Pressure Indicator · Ch. 6 — Oil Pressure Gauge | Manifold pressure as a health indicator — PP-D Concepts §3 |
K5, K6, K7 |
Annunciators; torquemeters; EPR | Ch. 10 — Turbine Engine Instruments | Turbine indication |
K8–K10 |
EICAS; FADEC; ECAM | — | Knowledge only; no skill touches them |
K11, S7 |
Range markings and instrument conditions | Ch. 10 — Engine Instruments | The TCDS supplies the values — AF-H Concepts §5 |
R1, R2 |
Maintenance damage to indicating systems; calibration and instrument error | Ch. 10 — Engine Thermocouples Out of Calibration | PP-D Concepts §1 |
S10 |
Locate procedures for troubleshooting a turbine EPR system | Ch. 10 — Engine Pressure Ratio Indicator; Troubleshooting Turbine Engines; Turbine Engine Instruments | EPR is a ratio of two pressures, so either probe can produce a wrong reading that looks like an engine fault — PP-D Concepts §2 |
The operative sources
- The system manual's total loop resistance figure for thermocouple systems — the number that
makes
S8meaningful. - The engine TCDS for range markings and limits.
License
CC BY-SA 4.0 (Licensing).