72-11-03: Engine Fuel Starvation

FAA order 72-11-03 is an airworthiness directive in force since May 30, 1972. The FAA's subject line: Engine Fuel Starvation. It names Grumman G-21: about 35 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: engine.

What it applies to as the FAA lists it

Kind of product: Aircraft
Makes: Grumman American Aviation Corporation
Models: G-21, G-21A (Army OA-9, Navy JRF-1, -2, -3, -4, -5, and -6B)
On this site: Grumman G-21 35 registered

Dates and paperwork

In force since: May 30, 1972
Docket: Unknown
Status: Current
The FAA's document: Read the order on the FAA's site

The order itself the regulatory text, as published

Show the full text (814 characters)

72-11-03   GRUMMAN AIRCRAFT:  Amdt. 39-1451.  Applies to G-21 and G-21A airplanes (converted military OA-9 and JRF series airplanes under TC 654) certificated in all categories. 

	Compliance required within the next 25 hours in service after the effective date of this AD, unless already accomplished. 

	In order to prevent engine fuel starvation due to fuel vaporization within fuel feed lines to the engines, accomplish the following: 

	Install a permanent placard on or near the instrument panel in full view of the pilot using minimum 1/8 inch lettering to read: 

			"Cross feed valve must be closed during all flight operations 
			except for emergencies resulting from engine pump failure." 

	(Grumman Customer Bulletin No. G21A 72-1 pertains to this subject) 
	This amendment is effective May 30, 1972.

Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 12, 2026. Connections as data: /graph/directive/72-11-03.json · aircraft systems.